Albemarle Embayment Quaternary Aminostratigraphy ----------------------------------------------------------------------- World Data Center for Paleoclimatology, Boulder and NOAA Paleoclimatology Program ----------------------------------------------------------------------- NOTE: PLEASE CITE ORIGINAL REFERENCE WHEN USING THIS DATA!!!!! NAME OF DATA SET: Albemarle Embayment Quaternary Aminostratigraphy LAST UPDATE: 1/2011 (Original receipt by WDC Paleo) CONTRIBUTORS: Wehmiller, J.F., E.R. Thieler, D. Miller, V. Pellerito, V. Bakeman Keeney, S.R. Riggs, S. Culver, D. Mallinson, K.M. Farrell, L.L. York, J. Pierson, and P.R. Parham. IGBP PAGES/WDCA CONTRIBUTION SERIES NUMBER: 2011-009 WDC PALEO CONTRIBUTION SERIES CITATION: Wehmiller, J.F., et al. 2010. Albemarle Embayment Quaternary Aminostratigraphy. IGBP PAGES/World Data Center for Paleoclimatology Data Contribution Series # 2011-009. NOAA/NCDC Paleoclimatology Program, Boulder CO, USA. ORIGINAL REFERENCE: Wehmiller, J.F., E.R. Thieler, D. Miller, V. Pellerito, V. Bakeman Keeney, S.R. Riggs, S. Culver, D. Mallinson, K.M. Farrell, L.L. York, J. Pierson, and P.R. Parham. 2010. Aminostratigraphy of surface and subsurface Quaternary sediments, North Carolina coastal plain, USA. Quaternary Geochronology, Vol. 5, Issue 4, pp. 459-492, August 2010. ABSTRACT: The Quaternary stratigraphy and geochronology of the Albemarle Embayment of the North Carolina (NC) Coastal Plain is examined using amino acid racemization (AAR) in marine mollusks, in combination with geophysical, lithologic, and biostratigraphic analysis of 28 rotasonic cores drilled between 2002 and 2006. The Albemarle Embayment is bounded by structural highs to the north and south, and Quaternary strata thin westward toward the Suffolk paleoshoreline, frequently referred to as the Suffolk Scarp. The Quaternary section is up to ~90 m thick, consists of a variety of estuarine, shelf, back-barrier, and lagoonal deposits, and has been influenced by multiple sea-level cycles. The temporal resolution of the amino acid racemization method is tested statistically and with the stratigraphic control provided by this geologic framework, and it is then applied to the correlation and age estimation of subsurface units throughout the region. Over 500 specimens (primarily Mercenaria and Mulinia) from the subsurface section have been analyzed using either gas chromatographic (GC) or reverse-phase liquid chromatographic (RPLC) techniques. The subsurface stratigraphic data are compared with AAR results from numerous natural or excavated exposures from the surrounding region, as well as results from NC beach collections, to develop a comprehensive aminostratigraphic database for the entire Quaternary record within the NC coastal system. Age mixing, recognized in the beach collections, is also seen in subsurface sections, usually where major seismic reflections or core lithology indicate the presence of stratigraphic discontinuities. Kinetic models for racemization are tested within the regional stratigraphic framework, using either radiocarbon or U-series calibrations or comparison with regional biostratigraphy. Three major Pleistocene aminozones [AZ2, AZ3, and AZ4] are found throughout the region, all being found in superposition in several cores. Each can be subdivided, yielding a total of at least eight stratigraphically and statistically distinct aminozones. Kinetic modeling, supplemented with local calibration, indicates that these aminozones represent depositional events ranging from ~80 ka to nearly 2 Ma. Three prominent seismic reflections are interpreted to represent the base of the early, middle, and late Pleistocene, respectively, roughly 2 Ma, 800 ka, and 130 ka. The large number of samples and the available stratigraphic control provide new insights into the capabilities and limitations of aminostratigraphic methods in assessing relative and numerical ages of Atlantic Coastal Plain Quaternary deposits. ADDITIONAL REFERENCES: Wehmiller, J.F., et al. 2004. Uranium-series coral ages from the US Atlantic Coastal Plain - the "80 ka problem" revisited. Quaternary International, vol. 120, pp. 3-14. doi:10.1016/j.quaint.2004.01.002 Mallinson, D., et al. 2005. Late Neogene and Quaternary evolution of the northern Albemarle Embayment (mid-Atlantic continental margin, USA) Marine Geology, v 217, 97-117. doi:10.1016/j.margeo.2005.02.030 Mallinson, D.J., et al. 2010. Regional seismic stratigraphy and controls on the Quaternary evolution of the Cape Hatteras region of the Atlantic passive margin, USA. Marine Geology, Vol. 268, 16-33. doi:10.1016/j.margeo.2009.10.007 Culver, S.J., et al. 2008. Micropaleontologic record of late Pliocene and Quaternary paleoenvironments in the northern Albemarle Embayment, North Carolina, U.S.A. Palaeogeography, Palaeoclimatology, Palaeoecology, Vol. 264, pp. 54-77. doi:10.1016/j.palaeo.2008.03.012 GEOGRAPHIC REGION: Eastern North America PERIOD OF RECORD: Quaternary, ~45ka - present FUNDING SOURCES: US Geological Survey DESCRIPTION: Extent of Racemization (D/L) data for mollusks from Pleistocene and Holocene subsurface sections sampled by rotasonic coring of Quaternary strata in the Albemarle Embayment, North Carolina Coastal Plain. Samples prepared and analyzed at the University of Delaware, Newark DE, Lab PI John F. Wehmiller. Samples collected and prepared between 2002 and 2007. Pretreatment: Fragments cut from shell valves; surface cleaning with dental tools; dilute HCl and distilled water wash; air dry AA fraction="amino fraction" Hydrolysis procedure: 6N HCl 22 hours 105 deg C Bleach: No Instrumental programming: GC temperature program; RPLC buffer gradient Blank corrections: no Response factors: no Outer Banks (OBX) and Mainland (MLD) core locations Elevation: NAVD 88 Horizontal: NAD 83 All cores sampled but AAR data do not exist for all cores. Vertical Precision: +/- 5 Horizontal Precision: +/- 2cm Hole # Location Land Surface Latitude Longitude Elevation (m) OBX-01 36.0094 -75.7083 1.26 OBX-02 36.0686 -75.7167 0.99 OBX-03 36.0507 -75.7137 0.47 OBX-04 36.0100 -75.6695 3.62 OBX-05 36.0508 -75.6910 3.19 OBX-06 36.0550 -75.6936 2.84 OBX-07 35.9527 -75.6326 1.01 OBX-08 35.9053 -75.5982 1.03 OBX-09 35.9412 -75.6177 3.40 OBX-10 35.8352 -75.5723 2.50 OBX-11 35.5916 -75.4685 1.00 OBX-12 35.4389 -75.4859 1.61 OBX-13 35.3209 -75.5089 1.33 OBX-14 35.1151 -75.9877 0.93 OBX-15 35.1894 -75.7792 1.01 OBX-16 35.1614 -75.8365 1.67 OBX-17 35.2653 -75.5564 0.69 OBX-18 36.3762 -75.8266 2.79 MLD-01 35.5089 -76.0015 0.22 MLD-02 35.0184 -76.3126 1.22 MLD-03 35.8724 -75.7542 1.00 MLD-04 35.3598 -76.1094 0.31 MLD-05 35.6984 -75.7707 1.84 MLD-06 35.8969 -75.9705 1.25 MLD-07 35.9036 -76.2986 1.51 MLD-08 35.9155 -76.4737 3.46 MLD-09 35.8725 -76.6568 4.69 MLD-10 35.8091 -76.7631 10.68 DATA: 1. Raw Data Lab Region Loc.ID SiteName Lat°N Lon°W CoreDepth(ft) Top(m) Sample ID SampleType Genus AminoFrac. Method SubsampID SamplePosition ShellFraction Quality RatioType A/I AlaD/L AsxD/L GlxD/L LeuD/L PheD/L ProD/L ValD/L VLPG AA VL Age(14CyrBP) Comments AG UAL# SerD/L RPLCnote A-Zone A-Group UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 29.6-29.9 9.02 JW2003-156-001 Bivalve Mercenaria THAA GC 2006015 1 0.25 good area 0.295 0.588 0.655 0.284 0.369 0.428 0.459 0.218 0.325 0.621 0.293 0.47 AZ2 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 29.6-29.9 9.02 JW2003-156-002 Bivalve Mercenaria THAA GC 2003154 7 0.25 good area 0.285 0.564 0.550 0.239 0.316 0.386 0.183 0.281 0.557 0.250 >52000 0.39 AZ2 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 29.6-29.9 9.02 JW2003-156-002 Bivalve Mercenaria THAA GC 2004090 7 0.25 good area 0.277 0.522 0.631 0.264 0.292 0.346 0.391 0.177 0.270 0.576 0.235 >52000 0.45 AZ2 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 29.6-29.9 9.02 JW2003-156-003 Bivalve Mercenaria THAA GC 2004091 8 0.3 good area 0.291 0.565 0.594 0.241 0.309 0.358 0.402 0.184 0.273 0.579 0.247 0.42 AZ2 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 29.6-29.9 9.02 JW2003-156-003 Bivalve Mercenaria THAA GC 2006017 8 0.3 good area 0.274 0.588 0.602 0.218 0.345 0.469 0.409 0.213 0.311 0.595 0.279 0.41 AZ2 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 29.6-29.9 9.02 JW2003-156-004 Bivalve Mercenaria THAA GC 2003155 8 0.25 irregular surface; angarea 0.249 0.515 0.571 0.229 0.271 0.336 0.181 0.254 0.543 0.226 0.40 AZ2 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 29.6-29.9 9.02 JW2003-156-002 Bivalve Mercenaria THAA GC 2006016 8 0.25 good area 0.255 0.557 0.613 0.244 0.318 0.375 0.384 0.192 0.282 0.585 0.255 0.43 AZ2 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 29.6-29.9 9.02 JW2003-156-001 Bivalve Mercenaria THAA GC 2006015 1 0.25 good height 0.301 0.569 0.657 0.286 0.367 0.392 0.443 0.218 0.316 0.613 0.293 0.47 AZ2 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 29.6-29.9 9.02 JW2003-156-003 Bivalve Mercenaria THAA GC 2006017 8 0.3 good height 0.280 0.599 0.597 0.251 0.338 0.381 0.426 0.212 0.295 0.598 0.275 0.42 AZ2 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 29.6-29.9 9.02 JW2003-156-002 Bivalve Mercenaria THAA GC 2006016 8 0.25 good height 0.257 0.546 0.608 0.255 0.312 0.339 0.391 0.189 0.274 0.577 0.250 0.43 AZ2 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 33.3-33.7 10.15 JW2003-158-001 Bivalve Mercenaria THAA GC 2004088 4 0.5 good area 0.384 0.610 0.721 0.369 0.377 0.469 0.515 0.262 0.369 0.666 0.319 0.54 AZ2+ UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 33.3-33.7 10.15 JW2003-158-001 Bivalve Mercenaria THAA GC 2006018 4 0.5 good area 0.315 0.655 0.627 0.299 0.382 0.472 0.461 0.247 0.350 0.641 0.315 0.46 AZ2+ UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 33.3-33.7 10.15 JW2003-158-003 Bivalve Mercenaria THAA GC 2004089 8 0.3 good area 0.359 0.660 0.678 0.329 0.353 0.442 0.507 0.229 0.338 0.669 0.291 0.50 AZ2+ UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 33.3-33.7 10.15 JW2003-158-003 Bivalve Mercenaria THAA GC 2006019 8 0.3 good area 0.294 0.629 0.629 0.268 0.383 0.450 0.475 0.212 0.328 0.629 0.298 0.45 AZ2+ UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 33.3-33.7 10.15 JW2003-158-001 Bivalve Mercenaria THAA GC 2006018 4 0.5 good height 0.316 0.643 0.642 0.301 0.370 0.420 0.449 0.246 0.334 0.643 0.308 0.47 AZ2+ UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 33.3-33.7 10.15 JW2003-158-003 Bivalve Mercenaria THAA GC 2006019 8 0.3 good height 0.293 0.638 0.631 0.275 0.361 0.385 0.464 0.210 0.308 0.635 0.286 0.45 AZ2+ UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 29.6-29.9 9.02 JW2003-156-002 Bivalve Mercenaria FAA GC 2006135 7 0.25 good area 0.580 0.726 0.728 0.306 0.573 0.702 0.828 0.352 0.483 0.727 0.462 na UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 29.6-29.9 9.02 JW2003-156-003 Bivalve Mercenaria FAA GC 2006137 8 0.3 good area 0.615 0.753 0.712 0.609 0.818 0.838 0.342 0.732 0.475 na UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 33.3-33.7 10.15 JW2003-158-001 Bivalve Mercenaria FAA GC 2006139 4 0.5 good area 0.774 0.845 0.774 0.351 0.630 0.810 0.856 0.437 0.557 0.809 0.533 na UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 33.3-33.7 10.15 JW2003-158-001 Bivalve Mercenaria THAA GC 2006141 4 0.5 good area 0.824 0.820 0.774 0.355 0.748 0.846 0.863 0.459 0.602 0.797 0.603 na UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 31.5-33 9.6 JW2003-159-1 Bivalve Mulinia THAA RPLC 2005156 w 1 good area 0.552 0.481 0.262 0.517 0.37 4861A 0.41 A2 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 31.5-33 9.6 JW2003-159-2 Bivalve Mulinia THAA RPLC 2005157 w 1 good area 0.581 0.516 0.290 0.549 0.40 4861B 0.25 A2 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 31.5-33 9.6 JW2003-159-3 Bivalve Mulinia THAA RPLC 2005158 w 1 good area 0.615 0.542 0.322 0.579 0.43 4861C 0.32 A2 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 31.5-33 9.6 JW2003-159-4 Bivalve Mulinia THAA RPLC 2005159 w 1 good area 0.489 0.473 0.265 0.481 D/L Ala suspect based on oth0.37 4861D 0.43 A2 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 31.5-33 9.6 JW2003-159B-1 Bivalve Ensis THAA GC 2004012 3 0.5 good area 0.290 0.554 0.693 0.326 0.336 0.420 0.225 0.327 0.623 0.280 0.51 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 31.5-33 9.6 JW2003-159B-2 Bivalve Ensis THAA GC 2004013 3 0.5 good area 0.329 0.528 0.624 0.272 0.340 0.422 0.229 0.316 0.576 0.285 Uncertain relation 0.45 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 31.5-33 9.6 JW2003-159B-4 Bivalve Mulinia THAA GC 2004015 w 1 good area 0.219 0.384 0.525 0.217 0.233 0.389 0.133 0.243 0.454 0.183 between Ensis 0.37 A2 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 31.5-33 9.6 JW2003-159B-5 Bivalve Mulinia THAA GC 2004016 w 1 good area 0.529 0.235 0.209 0.516 0.277 and Mulinia 0.38 A2 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 39.4-39.7 12.01 JW2003-162-2 Bivalve Ensis THAA GC 2005300 5 0.25 fair area 0.306 0.548 0.734 0.364 0.349 0.443 0.375 0.236 0.348 0.641 0.292 0.55 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 55.0-55.7 16.76 JW2003-163-002 Bivalve Mercenaria THAA GC 2005490 6 0.3 good area 0.757 0.884 0.881 0.637 0.639 0.790 0.652 0.565 0.658 0.883 0.602 0.76 AZ3.5 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 55.0-55.7 16.76 JW2003-163-003 Bivalve Mercenaria THAA GC 2003177 8 0.35 good area 0.791 0.895 0.797 0.568 0.615 0.752 0.561 0.624 0.846 0.588 0.68 AZ3.5 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 55.0-55.7 16.76 JW2003-163-003 Bivalve Mercenaria THAA GC 2006048 8 0.35 good area 0.777 0.891 0.808 0.701 0.628 0.747 0.593 0.574 0.662 0.850 0.601 0.75 AZ3.5 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 55.0-55.7 16.76 JW2003-163-004 Bivalve Mercenaria THAA GC 2003178 2 0.1 good area 0.835 0.915 0.821 0.634 0.676 0.754 0.611 0.669 0.868 0.643 0.73 AZ3.5 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 55.0-55.7 16.76 JW2003-163-002 Bivalve Mercenaria THAA GC 2005490 6 0.3 good height 0.766 0.972 0.868 0.628 0.641 0.749 0.672 0.566 0.646 0.920 0.603 0.75 AZ3.5 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 55.0-55.7 16.76 JW2003-163-003 Bivalve Mercenaria THAA GC 2006048 8 0.35 good height 0.819 0.949 0.814 0.611 0.640 0.739 0.633 0.562 0.638 0.882 0.601 0.71 AZ3.5 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 57.7-58.5 17.59 JW2003-164-004 Bivalve Mercenaria THAA GC 2006049 9 0.2 good height 0.893 1.057 0.843 0.670 0.695 0.787 0.691 0.638 0.698 0.950 0.667 0.76 AZ4- UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 57.7-58.5 17.59 JW2003-164-001 Bivalve Mercenaria THAA GC 2003181 6 0.25 reworked? area 1.329 0.969 0.935 0.884 0.890 0.861 0.862 0.874 0.952 0.876 0.91 AZ4+ UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 57.7-58.5 17.59 JW2003-164-002 Bivalve Mercenaria THAA GC 2003182 8 0.2 good area 1.158 0.947 0.855 0.781 0.831 0.870 0.750 0.808 0.901 0.791 Mixed ages? 0.82 AZ4 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 57.7-58.5 17.59 JW2003-164-004 Bivalve Mercenaria THAA GC 2006049 9 0.2 good area 0.899 0.985 0.849 0.659 0.646 0.808 0.657 0.634 0.687 0.917 0.640 0.75 AZ4- UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 57.7-58.5 17.59 JW2003-164-1 Bivalve Mulinia THAA RPLC 2005160 w 1 good area 0.889 0.656 0.481 0.773 0.57 4865A 0.22 B3 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 57.7-58.5 17.59 JW2003-164-2 Bivalve Mulinia THAA RPLC 2005161 w 1 good area 0.883 0.658 0.501 0.771 0.58 4865B 0.18 B3 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 57.7-58.5 17.59 JW2003-164-3 Bivalve Mulinia THAA RPLC 2005162 w 1 good area 0.806 0.627 0.449 0.717 0.54 4865C 0.22 B3 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 59.4-59.8 18.11 JW2003-165-001 Bivalve Mercenaria THAA GC 2006050 9 0.25 chalky area 1.057 0.949 0.877 0.677 0.773 0.853 0.768 0.667 0.743 0.913 0.720 0.78 AZ4 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 59.4-59.8 18.11 JW2003-165-002 Bivalve Mercenaria THAA GC 2006051 8 0.2 chalky area 1.103 0.984 0.872 0.788 0.666 0.850 0.770 0.763 0.767 0.928 0.715 0.83 AZ4 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 59.4-59.8 18.11 JW2003-165-001 Bivalve Mercenaria THAA GC 2006050 9 0.25 chalky height 1.030 1.038 0.863 0.663 0.792 0.829 0.783 0.675 0.739 0.951 0.733 0.76 AZ4 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 59.4-59.8 18.11 JW2003-165-002 Bivalve Mercenaria THAA GC 2006051 8 0.2 chalky height 1.139 1.026 0.878 0.770 0.774 0.823 0.781 0.760 0.782 0.952 0.767 0.82 AZ4 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 72.7-73.0 22.16 JW2003-170-001 Bivalve Mercenaria THAA GC 2003156 5.5 0.25 good area 1.028 0.949 0.784 0.678 0.783 0.867 0.737 0.766 0.866 0.760 0.73 AZ4 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 72.7-73.0 22.16 JW2003-170-001 Bivalve Mercenaria THAA GC 2006052 5.5 0.25 good area 1.018 0.914 0.881 0.805 0.741 0.842 0.682 0.750 0.784 0.898 0.745 0.84 AZ4 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 72.7-73.0 22.16 JW2003-170-002 Bivalve Mercenaria THAA GC 2003179 2 0.2 good area 1.086 0.940 0.854 0.761 0.798 0.850 0.754 0.791 0.897 0.776 0.81 AZ4 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 72.7-73.0 22.16 JW2003-170-002 Bivalve Mercenaria THAA GC 2006053 2 0.2 good area 1.124 0.957 0.875 0.791 0.698 0.827 0.689 0.738 0.764 0.916 0.718 0.83 AZ4 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 72.7-73.0 22.16 JW2003-170-003 Bivalve Mercenaria THAA GC 2003180 2 0.2 good area 1.134 0.949 0.852 0.748 0.812 0.840 0.757 0.789 0.901 0.785 0.80 AZ4 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 74.2-74.6 22.62 JW2003-172-002 Bivalve Mercenaria THAA GC 2006054 2? 0.15 good area 1.241 0.929 0.853 0.693 0.726 0.835 0.699 0.771 0.756 0.891 0.748 0.77 AZ4 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 72.7-73.0 22.16 JW2003-170-001 Bivalve Mercenaria THAA GC 2006052 5.5 0.25 good height 1.029 1.011 0.866 0.770 0.773 0.810 0.745 0.742 0.774 0.938 0.758 0.82 AZ4 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 72.7-73.0 22.16 JW2003-170-002 Bivalve Mercenaria THAA GC 2006053 2 0.2 good height 1.142 1.035 0.864 0.764 0.769 0.803 0.756 0.730 0.767 0.949 0.750 0.81 AZ4 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 74.2-74.6 22.62 JW2003-172-002 Bivalve Mercenaria THAA GC 2006054 2? 0.15 good height 1.271 1.008 0.838 0.664 0.753 0.809 0.703 0.754 0.745 0.923 0.754 0.75 AZ4 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 113.4-113.8 34.57 JW2003-174-1 Bivalve Mulinia THAA RPLC 2005163 w 1 good area 0.948 0.653 0.530 0.801 D/L Asx and Glx low compared with o4868A 0.08 C2 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 113.4-113.8 34.57 JW2003-174-2 Bivalve Mulinia THAA RPLC 2005164 w 1 good area 1.057 0.712 0.655 0.885 Mixed ages or altered sample0.68 4868B 0.1 C2 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 113.4-113.8 34.57 JW2003-174-3 Bivalve Mulinia THAA RPLC 2005165 w 1 good area 1.080 0.825 0.710 0.953 0.77 4868C 0.12 C2 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 139.2-139.5 42.44 JW2003-177-003 Bivalve Spisula THAA GC 2003150 1 0.1 good area 0.980 0.940 0.821 0.701 0.763 0.862 0.688 0.753 0.881 0.726 Spisuala 0.76 C2 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 139.2-139.5 42.44 JW2003-177-1 Bivalve Spisula THAA GC 2005301 1 0.15 good area 1.114 0.971 0.925 0.823 0.827 0.957 0.685 0.792 0.850 0.948 0.810 and Mulinia have 0.87 C3? UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 139.2-139.5 42.44 JW2003-177-2 Bivalve Spisula THAA GC 2005302 1 0.15 good area 0.818 0.937 0.787 0.635 0.720 0.825 0.625 0.599 0.694 0.862 0.659 similar D/L values 0.71 C2 UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 141.3 43.08 JW2003-179-001 Bivalve Mercenaria THAA GC 2003157 2.5 0.25 good area 1.242 0.975 0.890 0.808 0.870 0.973 0.839 0.873 0.933 0.855 0.85 AZ4+ UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 141.3 43.08 JW2003-179-001 Bivalve Mercenaria THAA GC 2006055 3 0.25 good area 1.196 0.999 0.953 0.885 0.856 0.872 0.713 0.843 0.864 0.976 0.850 0.92 AZ4+ UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 141.3 43.08 JW2003-179-001 Bivalve Mercenaria THAA GC 2006055 3 0.25 good height 1.197 1.047 0.921 0.848 0.847 0.840 0.815 0.831 0.841 0.984 0.839 0.88 AZ4+ UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 213.9-214.5 65.21 JW2003-186-1 Bivalve Ensis THAA GC 2005303 0.1 moderate area 1.011 0.969 0.868 0.806 0.814 0.897 0.733 0.738 0.814 0.918 0.776 Ensis and Mulinia 0.84 C3? UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 213.9-214.5 65.21 JW2003-186-2 Bivalve Ensis THAA GC 2005304 0.1 moderate area 1.135 0.957 0.951 0.838 0.794 0.969 0.714 0.793 0.848 0.954 0.794 have comparable 0.89 C3? UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 213.9-214.5 65.21 JW2003-186-2 Bivalve Ensis THAA GC 2005304 0.1 moderate height 0.997 D/L values UDEL Eastern US Coastal Plain 07534 MLD-01 35.5089 -76.0015 213.9-214.5 65.21 JW2003-186-3 Bivalve Mulinia THAA GC 2005305 0.75 moderate area 1.210 0.944 0.918 0.850 0.925 0.963 0.887 0.887 0.906 0.931 0.906 0.88 C3? UDEL Eastern US Coastal Plain 07548 MLD-02 35.0184 -76.3126 21.25 6.48 JW2004-122-001 Bivalve Mulinia THAA RPLC 2007451 w 1 good area 0.448 0.446 0.213 0.447 30800 +/- 600 0.33 6802AB 0.32 1 A1 UDEL Eastern US Coastal Plain 07548 MLD-02 35.0184 -76.3126 21.25 6.48 JW2004-122-002 Bivalve Mulinia THAA RPLC 2007452 w 1 good area 0.456 0.480 0.218 0.468 0.35 6803 0.396 A1 UDEL Eastern US Coastal Plain 07548 MLD-02 35.0184 -76.3126 21.25 6.48 JW2004-122-003 Bivalve Mulinia THAA RPLC 2007453 w 1 good area 0.468 0.445 0.212 0.457 0.33 6804 0.34 A1 UDEL Eastern US Coastal Plain 07548 MLD-02 35.0184 -76.3126 21.25 6.48 JW2004-122-004 Bivalve Mulinia THAA RPLC 2007454 w 1 good area 0.395 0.435 0.200 0.415 0.32 6805 0.372 A1 UDEL Eastern US Coastal Plain 07548 MLD-02 35.0184 -76.3126 23.5 7.16 JW2004-123-001 Bivalve Mulinia THAA RPLC 2007455 w 1 good area 0.391 0.438 0.186 0.415 0.31 6703 0.49 A1 UDEL Eastern US Coastal Plain 07548 MLD-02 35.0184 -76.3126 23.5 7.16 JW2004-123-002 Bivalve Mulinia THAA RPLC 2007456 w 1 good area 0.427 0.44 0.203 0.434 33600 +/- 200 0.32 6704 0.49 A1 UDEL Eastern US Coastal Plain 07548 MLD-02 35.0184 -76.3126 23.5 7.16 JW2004-123-003 Bivalve Mulinia THAA RPLC 2007457 w 1 good area 0.384 0.446 0.189 0.415 0.32 6705A 0.51 2 A1 UDEL Eastern US Coastal Plain 07548 MLD-02 35.0184 -76.3126 23.5 7.16 JW2004-123-003 Bivalve Mulinia THAA RPLC 2007457 w 1 good area 0.379 0.437 0.185 0.408 0.31 6705B 0.43 2 A1 UDEL Eastern US Coastal Plain 07548 MLD-02 35.0184 -76.3126 27.45 8.37 JW2004-125-001 Bivalve Mercenaria THAA GC 2004196 4 0.35 blackened rounded area 0.289 0.517 0.629 0.274 0.290 0.388 0.355 0.211 0.291 0.573 0.251 38900 +/- 490 0.45 AZ2 UDEL Eastern US Coastal Plain 07548 MLD-02 35.0184 -76.3126 25.9-26.1 7.89 JW2004-124-001 Bivalve Mulinia THAA RPLC 2007461 w 1 good area 0.761 0.605 0.39 0.683 0.50 6706 0.31 B2 UDEL Eastern US Coastal Plain 07548 MLD-02 35.0184 -76.3126 25.9-26.1 7.89 JW2004-124-002 Bivalve Mulinia THAA RPLC 2007462 w 1 good area 0.926 0.692 0.496 0.809 0.59 6707 0.32 B2 UDEL Eastern US Coastal Plain 07548 MLD-02 35.0184 -76.3126 25.9-26.1 7.89 JW2004-124-003 Bivalve Mulinia THAA RPLC 2007463 w 1 good area 0.809 0.628 0.435 0.719 0.53 6708 0.26 B2 UDEL Eastern US Coastal Plain 07548 MLD-02 35.0184 -76.3126 33.2 10.12 JW2004-128-001 Bivalve Mulinia THAA RPLC 2007430 w 1 fair area 0.703 0.5715 0.3885 0.637 0.48 6671AB 0.14 1 B1? UDEL Eastern US Coastal Plain 07548 MLD-02 35.0184 -76.3126 33.2 10.12 JW2004-128-002 Bivalve Mulinia or Spisula THAA RPLC 2007431 w 1 fair area 0.618 0.512 0.303 0.565 Altered samples? D/L values 0.41 6672 0.4 B1? UDEL Eastern US Coastal Plain 07548 MLD-02 35.0184 -76.3126 47.1 14.36 JW2004-129-001 Bivalve Mercenaria THAA GC 2004153 3 0.8 middle layer, umbo area 0.999 0.959 0.948 0.818 0.861 0.868 0.703 0.758 0.826 0.954 0.810 0.88 AZ4/4+ UDEL Eastern US Coastal Plain 07548 MLD-02 35.0184 -76.3126 67.6 20.61 JW2004-133-001 Bivalve Mercenaria THAA GC 2004208 4 0.25 middle layer area 1.119 0.988 0.899 0.753 0.812 0.974 0.638 0.780 0.830 0.943 0.796 0.83 AZ4/4+ UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 54.0-54.3 16.46 JW2005-059-001 Bivalve Mulinia THAA RPLC 2008019 w 1 good area 0.656 0.588 0.440 0.622 0.51 6721A 0.05 2 B2 UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 54.0-54.3 16.46 JW2005-059-001 Bivalve Mulinia THAA RPLC 2008019 w 1 good area 0.677 0.576 0.415 0.627 D/L values higher than 0.50 6721B 0.09 2 B2 UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 54.0-54.3 16.46 JW2005-059-002 Bivalve Mulinia THAA RPLC 2008020 w 1 good area 0.688 0.535 0.378 0.612 those in samples 0.46 6722A 0.13 2 B2 UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 54.0-54.3 16.46 JW2005-059-002 Bivalve Mulinia THAA RPLC 2008020 w 1 good area 0.712 0.577 0.413 0.645 below 0.50 6722B 0.1 2 B2 UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 54.0-54.3 16.46 JW2005-059-003 Bivalve Mulinia THAA RPLC 2008021 w 1 good area 0.708 0.577 0.419 0.643 0.50 6723A 0.1 2 B2 UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 54.0-54.3 16.46 JW2005-059-003 Bivalve Mulinia THAA RPLC 2008021 w 1 good area 0.719 0.578 0.418 0.649 0.50 6723B 0.1 2 B2 UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 57.5-57.7 17.53 JW2005-060-001 Bivalve Mulinia THAA RPLC 2008022 w 1 chalky area 0.650 0.489 0.360 0.570 D/L values lower than those 0.42 6724 0.15 B1? UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 57.5-57.7 17.53 JW2005-060-002 Bivalve Mulinia THAA RPLC 2008023 w 1 chalky area 0.643 0.508 0.364 0.576 Not included in LDA 0.44 6725 0.13 B1? UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 57.5-57.7 17.53 JW2005-060-003 Bivalve Mulinia THAA RPLC 2008024 w 1 chalky area 0.632 0.495 0.345 0.564 0.42 6726 0.13 B1? UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 62.3-62.5 18.99 JW2005-061-001 Bivalve Mulinia THAA RPLC 2008025 w 1 good area 0.788 0.618 0.430 0.703 0.52 6727A 0.12 2 B2 UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 62.3-62.5 18.99 JW2005-061-001 Bivalve Mulinia THAA RPLC 2008025 w 1 good area 0.743 0.589 0.449 0.666 0.52 6727B 0.07 2 B2 UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 62.3-62.5 18.99 JW2005-061-002 Bivalve Mulinia THAA RPLC 2008026 w 1 fair area 0.606 0.514 0.341 One altered (?) sample not included6728 0.07 B2 UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 62.3-62.5 18.99 JW2005-061-003 Bivalve Mulinia THAA RPLC 2008027 w 1 good area 0.833 0.577 0.446 0.705 0.51 6729 0.15 B2 UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 69.2-69.4 21.09 JW2005-062-001 Bivalve Mercenaria THAA GC 2006116 5 0.3 worm holes in analyzedarea 0.637 0.935 0.781 0.506 0.479 0.736 0.578 0.454 0.544 0.858 0.466 0.64 AZ3+ UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 69.2-69.4 21.09 JW2005-062-002 Bivalve Mercenaria THAA GC 2006117 5 0.2 dirty solution area 0.645 0.897 0.781 0.546 0.646 0.755 0.572 0.474 0.605 0.839 0.560 0.66 AZ3+ UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 69.6 21.21 JW2005-063-002 Bivalve Mercenaria THAA GC 2006118 8 0.15 good area 0.664 0.869 0.807 0.507 0.626 0.734 0.624 0.480 0.587 0.838 0.553 0.66 AZ3+ UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 69.6 21.21 JW2005-063-1 Bivalve Mercenaria THAA GC 2005479 8 0.25 good area 0.650 0.922 0.800 0.517 0.592 0.728 0.619 0.485 0.581 0.861 0.538 0.66 AZ3+ UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 69.7 21.24 JW2005-064 Bivalve Mercenaria THAA GC 2005480 8 0.15 good area 0.589 0.982 0.790 0.494 0.562 0.692 0.592 0.453 0.550 0.886 0.508 0.64 AZ3+ UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 70-75 bag 21.34 JW2005-074-2 Bivalve Mercenaria THAA GC 2005483 7 0.2 inner layer area 0.596 0.873 0.793 0.500 0.556 0.662 0.599 0.437 0.539 0.833 0.497 0.65 AZ3+ UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 69.2-69.4 21.09 JW2005-062-001 Bivalve Mercenaria THAA GC 2006116 5 0.3 worm holes in analyzedheight 0.641 0.985 0.770 0.507 0.574 0.639 0.606 0.458 0.545 0.878 0.516 0.64 AZ3+ UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 69.2-69.4 21.09 JW2005-062-002 Bivalve Mercenaria THAA GC 2006117 5 0.2 dirty solution height 0.644 0.959 0.768 0.541 0.637 0.671 0.609 0.506 0.589 0.864 0.572 0.65 AZ3+ UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 69.6 21.21 JW2005-063-002 Bivalve Mercenaria THAA GC 2006118 8 0.15 good height 0.659 0.950 0.809 0.504 0.627 0.700 0.599 0.481 0.578 0.880 0.554 0.66 AZ3+ UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 69.6 21.21 JW2005-063-1 Bivalve Mercenaria THAA GC 2005479 8 0.25 good height 0.651 0.971 0.795 0.505 0.605 0.699 0.605 0.483 0.573 0.883 0.544 0.65 AZ3+ UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 69.7 21.24 JW2005-064 Bivalve Mercenaria THAA GC 2005480 8 0.15 good height 0.596 0.992 0.782 0.487 0.559 0.671 0.597 0.453 0.542 0.887 0.506 0.63 AZ3+ UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 70-75 bag 21.34 JW2005-074-2 Bivalve Mercenaria THAA GC 2005483 7 0.2 inner layer height 0.592 0.875 0.790 0.492 0.569 0.648 0.543 0.430 0.535 0.833 0.500 0.64 AZ3+ UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 75.5-75.8 23.01 JW2005-066-001 Bivalve Mulinia THAA RPLC 2008028 w 1 good area 0.883 0.615 0.415 0.749 0.52 6730 0.14 B2 UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 75.5-75.8 23.01 JW2005-066-002 Bivalve Mulinia THAA RPLC 2008029 w 1 good area 0.929 0.606 0.443 0.768 0.52 6731 0.16 B2 UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 75.5-75.8 23.01 JW2005-066-003 Bivalve Mulinia THAA RPLC 2008030 w 1 good area 0.929 0.598 0.458 0.764 0.53 6732 0.16 B2 UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 86.6-86.8 26.4 JW2005-068 Bivalve Spisula THAA GC 2005481 1 0.1 good area 0.563 0.961 0.743 0.406 0.518 0.627 0.479 0.357 0.477 0.852 0.438 Spisula D/L values 0.57 [AZ3+] UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 86.6-86.8 26.4 JW2005-068 Bivalve Spisula THAA GC 2005481 1 0.1 good height 0.548 0.916 0.735 0.402 0.519 0.604 0.492 0.358 0.471 0.825 0.439 lower than Mercenaria 0.57 UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 87.6-87.9 26.7 JW2005-070-002 Bivalve Mercenaria THAA GC 2006119 1 0.1 moderate area 0.666 0.878 0.718 0.437 0.574 0.735 0.571 0.439 0.547 0.798 0.507 0.58 AZ3+ UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 87.6-87.9 26.7 JW2005-070-002 Bivalve Mercenaria THAA GC 2006119 1 0.1 moderate height 0.668 0.920 0.722 0.434 0.629 0.675 0.598 0.437 0.544 0.821 0.533 0.58 AZ3+ UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 87.6-87.9 26.7 JW2005-070-1 Bivalve Spisula THAA GC 2005482 1 0.15 good area 0.556 0.815 0.710 0.393 0.546 0.641 0.509 0.370 0.487 0.762 0.458 Spisula D/L values 0.55 [AZ3+] UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 87.6-87.9 26.7 JW2005-070-1 Bivalve Spisula THAA GC 2005482 1 0.15 good height 0.552 0.859 0.728 0.385 0.545 0.622 0.499 0.365 0.479 0.793 0.455 lower than Mercenaria 0.56 UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 112.6-112.9 34.32 JW2005-073-001 Bivalve Crassostrea THAA RPLC 2008031 ? 0.05 fair area 1.137 0.722 0.572 0.930 0.65 6733 0.11 B3 or C UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 112.6-112.9 34.32 JW2005-073-002 Bivalve Crassostrea THAA RPLC 2008032 ? 0.05 fair area 1.122 0.719 0.508 0.921 Crassostrea 0.61 6734 0.11 B3 or C UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 112.6-112.9 34.32 JW2005-073-003 Bivalve Crassostrea THAA RPLC 2008033 ? 0.05 fair area 1.075 0.727 0.495 0.901 D/L values 0.61 6735 0.12 B3 or C UDEL Eastern US Coastal Plain 07570 MLD-03 35.8724 -75.7542 112.6-112.9 34.32 JW2005-073-004 Bivalve Crassostrea THAA RPLC 2008034 ? 0.05 fair area 1.128 0.749 0.572 0.939 similar to 0.66 6736 0.11 B3 or C UDEL Eastern US Coastal Plain 07571 MLD-04 35.3598 -76.1094 21.1-21.3 6.4 JW2005-077-2 Bivalve Mercenaria THAA GC 2005484 1 0.2 good area 0.174 ND UDEL Eastern US Coastal Plain 07571 MLD-04 35.3598 -76.1094 21.1-21.3 6.4 JW2005-077-3 Bivalve Mercenaria THAA GC 2006003 8 0.2 moderate area 0.182 0.411 0.583 0.203 0.205 0.246 0.251 0.129 0.196 0.497 0.167 Holocene 0.39 ? UDEL Eastern US Coastal Plain 07571 MLD-04 35.3598 -76.1094 21.1-21.3 6.4 JW2005-077-2 Bivalve Mercenaria THAA GC 2005484 1 0.2 good height 0.151 or altered ND UDEL Eastern US Coastal Plain 07571 MLD-04 35.3598 -76.1094 21.1-21.3 6.4 JW2005-077-3 Bivalve Mercenaria THAA GC 2006003 8 0.2 moderate height 0.182 0.426 0.601 0.202 0.200 0.240 0.242 0.128 0.193 0.513 0.164 samples 0.40 ? UDEL Eastern US Coastal Plain 07571 MLD-04 35.3598 -76.1094 21.9-22.1 6.7 JW2005-078 Bivalve Mercenaria THAA GC 2005485 5 0.45 excellent area 0.283 0.669 0.702 0.416 0.374 0.448 0.490 0.250 0.372 0.685 0.312 0.56 AZ2+ UDEL Eastern US Coastal Plain 07571 MLD-04 35.3598 -76.1094 21.9-22.1 6.7 JW2005-078 Bivalve Mercenaria THAA GC 2005485 5 0.45 excellent height 0.292 0.700 0.687 0.402 0.378 0.434 0.508 0.249 0.366 0.694 0.314 0.54 AZ2+ UDEL Eastern US Coastal Plain 07571 MLD04 35.3598 -76.1094 21.9-22.1 6.71 JW2005-078-001 Bivalve Mulinia THAA RPLC 2008053 w 1 good area 0.461 0.456 0.233 0.459 0.345 6973 A 0.402 A1 UDEL Eastern US Coastal Plain 07571 MLD04 35.3598 -76.1094 21.9-22.1 6.71 JW2005-078-002 Bivalve Mulinia THAA RPLC 2008054 w 1 good area 0.514 0.468 0.250 0.491 0.359 6973 B 0.437 A1 UDEL Eastern US Coastal Plain 07571 MLD04 35.3598 -76.1094 21.9-22.1 6.71 JW2005-078-003 Bivalve Mulinia THAA RPLC 2008055 w 1 good area 0.369 0.401 0.140 0.385 0.271 6973 C 0.089 A1 UDEL Eastern US Coastal Plain 07571 MLD04 35.3598 -76.1094 22.5-22.7 6.86 JW2005-080-001 Bivalve Mulinia THAA RPLC 2008056 w 1 good area 0.430 0.457 0.223 0.444 0.340 6972 A 0.312 A1 UDEL Eastern US Coastal Plain 07571 MLD04 35.3598 -76.1094 22.5-22.7 6.86 JW2005-080-002 Bivalve Mulinia THAA RPLC 2008057 w 1 good area 0.458 0.450 0.205 0.454 0.328 6972 B 0.265 A1 UDEL Eastern US Coastal Plain 07571 MLD04 35.3598 -76.1094 22.5-22.7 6.86 JW2005-080-003 Bivalve Mulinia THAA RPLC 2008058 w 1 good area 0.545 0.507 0.250 0.526 0.379 6972 C 0.222 A1 UDEL Eastern US Coastal Plain 07571 MLD-04 35.3598 -76.1094 33.1-33.3 10.10 JW2005-083 Bivalve Mercenaria THAA GC 2006004 8 0.2 good area 0.368 0.576 0.611 0.256 0.363 0.427 0.436 0.243 0.322 0.594 0.303 0.43 AZ2+ UDEL Eastern US Coastal Plain 07571 MLD-04 35.3598 -76.1094 33.1-33.3 10.10 JW2005-083 Bivalve Mercenaria THAA GC 2006004 8 0.2 good height 0.360 0.601 0.662 0.278 0.355 0.426 0.383 0.240 0.325 0.631 0.297 0.47 AZ2+ UDEL Eastern US Coastal Plain 07571 MLD04 35.3598 -76.1094 39.5-39.9 12.04 JW2005-084-001 Bivalve Mulinia THAA RPLC 2008059 w 1 good area 0.759 0.586 0.324 0.673 0.455 6971 A 0.09 B1 UDEL Eastern US Coastal Plain 07571 MLD04 35.3598 -76.1094 39.5-39.9 12.04 JW2005-084-002 Bivalve Mulinia THAA RPLC 2008060 w 1 good area 0.809 0.651 0.421 0.730 0.536 6971 B 0.071 B1 UDEL Eastern US Coastal Plain 07571 MLD04 35.3598 -76.1094 39.5-39.9 12.04 JW2005-084-003 Bivalve Mulinia THAA RPLC 2008061 w 1 good area 0.814 0.632 0.389 0.723 0.511 6971 C 0.126 B1 UDEL Eastern US Coastal Plain 07571 MLD-04 35.3598 -76.1094 65-67 bag 19.8 JW2005-089-1 Bivalve Mercenaria THAA GC 2006020 5 0.1 good area 0.832 0.938 0.831 0.665 0.673 0.885 0.631 0.651 0.719 0.885 0.662 0.75 AZ4- UDEL Eastern US Coastal Plain 07571 MLD-04 35.3598 -76.1094 65-67 bag 19.8 JW2005-089-2 Bivalve Mercenaria THAA GC 2006021 8 0.2 good area 0.809 0.950 0.793 0.581 0.698 1.017 0.719 0.609 0.726 0.872 0.654 0.69 AZ4- UDEL Eastern US Coastal Plain 07571 MLD-04 35.3598 -76.1094 65-67 bag 19.8 JW2005-089-1 Bivalve Mercenaria THAA GC 2006020 5 0.1 good height 0.839 1.004 0.826 0.653 0.726 0.792 0.666 0.649 0.705 0.915 0.687 0.74 AZ4- UDEL Eastern US Coastal Plain 07571 MLD-04 35.3598 -76.1094 65-67 bag 19.8 JW2005-089-2 Bivalve Mercenaria THAA GC 2006021 8 0.2 good height 0.811 0.998 0.819 0.583 0.709 0.832 0.737 0.602 0.682 0.909 0.655 0.70 AZ4- UDEL Eastern US Coastal Plain 07571 MLD-04 35.3598 -76.1094 119.6-119.9 36.36 JW2005-096 Bivalve Mercenaria THAA GC 2005486 7 0.25 good area 1.235 1.070 0.939 0.905 0.854 0.939 0.625 0.864 0.891 1.005 0.859 0.92 AZ4+ UDEL Eastern US Coastal Plain 07571 MLD-04 35.3598 -76.1094 120 36.58 JW2005-097-1 Bivalve Mercenaria THAA GC 2005487 1 0.1 good area 1.160 1.288 1.007 0.657 0.824 0.952 0.655 0.810 0.811 1.147 0.817 0.83 AZ4+ UDEL Eastern US Coastal Plain 07571 MLD-04 35.3598 -76.1094 122.5-122.7 37.34 JW2005-100 Bivalve Mercenaria THAA GC 2006022 8 0.15 fair area 1.189 1.059 0.942 0.873 0.829 1.097 0.582 0.872 0.917 1.000 0.850 0.91 AZ4+ UDEL Eastern US Coastal Plain 07571 MLD-04 35.3598 -76.1094 119.6-119.9 36.36 JW2005-096 Bivalve Mercenaria THAA GC 2005486 7 0.25 good height 1.251 1.123 0.931 0.879 0.877 0.898 0.661 0.875 0.882 1.027 0.876 0.91 AZ4+ UDEL Eastern US Coastal Plain 07571 MLD-04 35.3598 -76.1094 120 36.58 JW2005-097-1 Bivalve Mercenaria THAA GC 2005487 1 0.1 good height 1.172 1.142 0.930 0.684 0.831 0.930 0.714 0.824 0.817 1.036 0.828 0.81 AZ4+ UDEL Eastern US Coastal Plain 07571 MLD-04 35.3598 -76.1094 122.5-122.7 37.34 JW2005-100 Bivalve Mercenaria THAA GC 2006022 8 0.15 fair height 1.186 1.100 0.930 0.876 0.867 0.930 0.645 0.863 0.884 1.015 0.865 0.90 AZ4+ UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 36.2-36.5 11.03 JW2005-105-001g Bivalve Mulinia THAA GC 2006108 w 1 good area 0.189 0.444 0.479 0.200 0.199 0.288 0.245 0.125 0.203 0.462 0.162 0.34 A UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 36.2-36.5 11.03 JW2005-105-002g Bivalve Mulinia THAA GC 2006109 w 1 good area 0.159 0.351 0.425 0.191 0.150 0.601 0.198 0.110 0.263 0.388 0.130 GC data similar 0.31 A UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 36.2-36.5 11.03 JW2005-105-001g Bivalve Mulinia THAA GC 2006108 w 1 good height 0.189 0.438 0.570 0.202 0.203 0.234 0.236 0.122 0.190 0.504 0.162 to A1 results 0.39 A UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 36.2-36.5 11.03 JW2005-105-002g Bivalve Mulinia THAA GC 2006109 w 1 good height 0.158 0.358 0.495 0.195 0.165 0.369 0.199 0.114 0.211 0.427 0.140 obtained with 0.35 A UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 36.2-36.5 11.03 JW2005-105-001 Bivalve Mulinia THAA RPLC 2008062 w 1 good area 0.396 0.428 0.203 0.412 0.316 6975 A 0.538 A1 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 36.2-36.5 11.03 JW2005-105-002 Bivalve Mulinia THAA RPLC 2008063 w 1 good area 0.386 0.401 0.193 0.394 0.297 6975 B 0.499 A1 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 36.2-36.5 11.03 JW2005-105-003 Bivalve Mulinia THAA RPLC 2008064 w 1 good area 0.362 0.387 0.187 0.375 0.287 6975 C 0.501 A1 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 36.2-36.5 11.03 JW2005-105-004 Bivalve Mulinia THAA RPLC 2008065 w 1 good area 0.456 0.411 0.208 0.434 0.310 6975 D 0.487 A1 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 37.85-38.1 11.54 JW2005-106-001 Bivalve Mulinia THAA RPLC 2008004 w 1 good area 0.466 0.442 0.206 0.454 0.32 6738 0.36 A1 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 37.85-38.1 11.54 JW2005-106-002 Bivalve Mulinia THAA RPLC 2008005 w 1 good area 0.441 0.446 0.210 0.444 0.33 6739 0.43 A1 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 37.85-38.1 11.54 JW2005-106-003 Bivalve Mulinia THAA RPLC 2008006 w 1 good area 0.463 0.450 0.226 0.457 0.34 6740 0.39 A1 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 52-52.2 15.85 JW2005-109-001 Bivalve Mulinia THAA RPLC 2008007 w 1 good area 0.567 0.499 0.282 0.533 0.39 6741 0.34 A2 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 52-52.2 15.85 JW2005-109-002 Bivalve Mulinia THAA RPLC 2008008 w 1 good area 0.580 0.509 0.267 0.545 0.39 6742 0.36 A2 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 52-52.2 15.85 JW2005-109-003 Bivalve Mulinia THAA RPLC 2008009 w 1 good area 0.545 0.490 0.277 0.518 0.38 6743 0.36 A2 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 54.6-54.8 16.64 JW2005-110 Bivalve Mercenaria THAA GC 2005504 6 0.1 good area 0.282 0.591 0.632 0.296 0.296 0.400 0.358 0.224 0.304 0.611 0.260 0.46 AZ2 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 54.6-54.8 16.64 JW2005-110 Bivalve Mercenaria THAA GC 2005504 6 0.1 good height 0.288 0.623 0.635 0.294 0.299 0.385 0.360 0.221 0.300 0.629 0.260 0.46 AZ2 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 54.6-54.8 16.64 JW2005-110-001 Bivalve Mulinia THAA RPLC 2008093 w 1 good area 0.547 0.482 0.282 0.515 0.382 6974 A 0.369 A2 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 54.6-54.8 16.64 JW2005-110-002 Bivalve Mulinia THAA RPLC 2008094 w 1 good area 0.542 0.517 0.233 0.530 0.375 6974 B 0.596 A2 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 65.9-66.2 20.09 JW2005-114-001 Bivalve Mulinia THAA RPLC 2008010 w 1 good area 0.678 0.540 0.344 0.609 0.44 6744 0.18 A2 or B1 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 65.9-66.2 20.09 JW2005-114-002 Bivalve Mulinia THAA RPLC 2008011 w 1 good area 0.753 0.496 0.354 0.625 Zone of mixed ages or shell 0.43 6745 0.16 A2 or B1 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 65.9-66.2 20.09 JW2005-114-003 Bivalve Mulinia THAA RPLC 2008012 w 0.5 good area 0.707 0.538 0.330 0.623 0.43 6746 0.21 A2 or B1 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 65.9-66.2 20.09 JW2005-114-004 Bivalve Mulinia THAA RPLC 2008013 w 0.5 fair area 0.563 0.504 0.285 0.534 0.39 6747 0.25 A2 or B1 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 69.4-69.8 21.15 JW2005-116-001 Bivalve Mulinia THAA RPLC 2008066 w 1 good area 0.766 0.561 0.374 0.664 0.468 6976 A 0.206 A2 or B1 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 69.4-69.8 21.15 JW2005-116-002 Bivalve Mulinia THAA RPLC 2008067 w 1 good area 0.787 0.560 0.386 0.674 Zone of mixed ages or shell 0.473 6976 B 0.263 A2 or B1 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 69.4-69.8 21.15 JW2005-116-003 Bivalve Mulinia THAA RPLC 2008068 w 1 good area 0.579 0.504 0.290 0.542 0.397 6976 C 0.268 A2 or B1 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 69.4-69.8 21.15 JW2005-116-004 Bivalve Mulinia THAA RPLC 2008069 w 1 good area 0.725 0.495 0.347 0.610 0.421 6976 D 0.281 A2 or B1 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 75.1-75.3 22.89 JW2005-117-001 Bivalve Mulinia THAA RPLC 2008014 w 0.5 good area 0.688 0.467 0.293 0.578 0.38 6748 0.16 A2 or B1 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 75.1-75.3 22.89 JW2005-117-002 Bivalve Mulinia THAA RPLC 2008015 w 0.5 good area 0.760 0.545 0.358 0.653 Zone of mixed ages or shell 0.45 6749 0.13 A2 or B1 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 75.1-75.3 22.89 JW2005-117-003 Bivalve Mulinia THAA RPLC 2008016 w 0.5 good area 0.625 0.470 0.277 0.548 0.37 6750 0.13 A2 or B1 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 75.1-75.3 22.89 JW2005-117-004 Bivalve Mercenaria THAA RPLC 2008017 2 0.1 good area 0.925 0.699 0.436 0.812 Assigned to AZ3- 0.57 6751 0.26 AZ3- UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 75.1-75.3 22.89 JW2005-117-005 Bivalve Mercenaria THAA RPLC 2008018 7 0.1 good area 0.801 0.624 0.370 0.713 because of similarity 0.50 6752 0.11 AZ3- UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 80.3-80.8 24.48 JW2005-119 Bivalve Mercenaria THAA GC 2005522 6 0.1 good area 0.462 0.751 0.744 0.396 0.453 0.544 0.505 0.350 0.436 0.748 0.401 0.57 AZ3- UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 80.3-80.8 24.48 JW2005-119 Bivalve Mercenaria THAA GC 2005522 6 0.1 good height 0.455 0.795 0.736 0.426 0.443 0.530 0.515 0.351 0.437 0.766 0.397 0.58 AZ3- UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 101.7 31 JW2005-124 Bivalve Mercenaria THAA GC 2005332 2 0.25 good area 0.659 0.932 0.805 0.556 0.643 0.786 0.618 0.500 0.621 0.868 0.572 0.68 AZ3.5 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 101.7 31 JW2005-124 Bivalve Mercenaria THAA GC 2005332 2 0.25 good height 0.668 0.932 0.786 0.562 0.638 0.732 0.610 0.500 0.608 0.859 0.569 0.67 AZ3.5 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 110 33.5 JW2005-127 Bivalve Mercenaria THAA GC 2006001 3 0.2 good area 0.873 1.046 0.886 0.675 0.830 0.671 0.600 0.966 0.637 ND AZ3.5 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 110 33.5 JW2005-127 Bivalve Mercenaria THAA GC 2006001 3 0.2 good height 0.869 1.121 0.897 0.676 0.813 0.725 0.606 1.009 0.641 ND AZ3.5 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 110.6-110.9 33.71 JW2005-128 Bivalve Mercenaria THAA GC 2005524 2 0.25 good area 0.996 0.945 0.930 0.786 0.706 0.780 0.630 0.718 0.748 0.938 0.712 Reworked? 0.86 AZ4- UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 110.6-110.9 33.71 JW2005-128 Bivalve Mercenaria THAA GC 2005524 2 0.25 good height 0.990 1.035 0.902 0.771 0.757 0.763 0.599 0.702 0.749 0.969 0.730 0.84 AZ4- UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 117.7 35.88 JW2005-129-001 Bivalve Rangia THAA GC 2006043 3 0.45 chalky and porous area 1.127 1.008 0.727 0.691 0.844 1.023 0.725 0.658 0.804 0.867 0.751 0.71 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 117.7 35.88 JW2005-129-001 Bivalve Rangia THAA GC 2006043 3 0.45 chalky and porous height 1.085 1.031 0.744 0.700 0.813 0.787 0.795 0.677 0.744 0.887 0.745 No aminozone 0.72 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 117.7 35.88 JW2005-129-002 Bivalve Rangia THAA GC 2006044 3 0.15 chalky and porous area 0.891 0.996 0.786 0.670 0.726 1.034 0.732 0.612 0.761 0.891 0.669 assignment; 0.73 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 117.7 35.88 JW2005-129-002 Bivalve Rangia THAA GC 2006044 3 0.15 chalky and porous height 0.896 1.028 0.770 0.650 0.745 0.767 0.767 0.643 0.701 0.899 0.694 samples are chalky 0.71 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 121.7-121.8 37.09 JW2005-130 Bivalve Rangia THAA GC 2006045 3 0.35 chalky and porous area 0.915 0.929 0.764 0.655 0.602 0.784 0.637 0.546 0.647 0.846 0.574 and porous 0.71 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 121.7-121.8 37.09 JW2005-130 Bivalve Rangia THAA GC 2006045 3 0.35 chalky and porous height 0.870 0.951 0.753 0.648 0.680 0.647 0.711 0.577 0.638 0.852 0.629 0.70 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 232.8-233.0 70.99 JW2005-136-001 Bivalve Ark THAA GC 2005333 1 1 moderate area 1.296 1.147 0.924 0.747 0.790 0.950 0.784 0.848 0.834 1.035 0.819 0.84 AZ4/4+ UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 232.8-233.0 70.99 JW2005-136-001 Bivalve Ark THAA GC 2005333 1 1 moderate height 1.190 1.213 0.753 0.813 0.928 0.837 0.833 0.825 ND AZ4/4+ UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 239.7 73.08 JW2005-137 Bivalve Mercenaria THAA GC 2005505 7 0.2 good area 1.180 1.072 0.925 0.795 0.890 0.944 0.818 0.856 0.871 0.998 0.873 0.86 AZ4+ UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 239.7 73.08 JW2005-137 Bivalve Mercenaria THAA GC 2005505 7 0.2 good height 1.193 1.094 0.905 0.796 0.881 0.914 0.863 0.851 0.860 0.999 0.866 0.85 AZ4+ UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 250.0-250.1 76.2 JW2005-141 Bivalve Mercenaria THAA GC 2006002 1 0.75 good area 1.003 0.977 0.855 0.798 0.774 0.876 0.729 0.692 0.785 0.916 0.733 0.83 AZ4 UDEL Eastern US Coastal Plain 07572 MLD-05 35.6984 -75.7707 250.0-250.1 76.2 JW2005-141 Bivalve Mercenaria THAA GC 2006002 1 0.75 good height 0.996 1.064 0.837 0.779 0.789 0.851 0.798 0.696 0.779 0.950 0.742 0.81 AZ4 UDEL Eastern US Coastal Plain 07707 MLD-06 35.8969 -75.9705 36.6 11.16 JW2006-013-001 Bivalve Mulinia THAA RPLC 2008035 w 1 good area 0.781 0.631 0.391 0.706 0.511 6970 A 0.047 B2 UDEL Eastern US Coastal Plain 07707 MLD-06 35.8969 -75.9705 36.6 11.16 JW2006-013-002 Bivalve Mulinia THAA RPLC 2008036 w 1 good area 0.800 0.624 0.370 0.712 0.497 6970 B 0.072 B2 UDEL Eastern US Coastal Plain 07707 MLD-06 35.8969 -75.9705 36.6 11.16 JW2006-013-003 Bivalve Mulinia THAA RPLC 2008037 w 1 good area 0.834 0.666 0.485 0.750 0.576 6970 C 0.179 B2 UDEL Eastern US Coastal Plain 07707 MLD-06 35.8969 -75.9705 36.6 11.16 JW2006-013-004 Bivalve Mulinia THAA RPLC 2008038 w 1 good area 0.783 0.664 0.515 0.724 0.590 6970 D 0.088 B2 UDEL Eastern US Coastal Plain 07707 MLD-06 35.8969 -75.9705 36.6 11.16 JW2006-013-005 Bivalve Mulinia THAA RPLC 2008039 w 1 good area 0.633 0.540 0.256 0.587 Not included in mean for thi0.398 6970 E 0.022 B2 UDEL Eastern US Coastal Plain 07707 MLD-06 35.8969 -75.9705 44.7-44.9 13.62 JW2006-016-001 Bivalve Mercenaria THAA GC 2007007 7 0.35 good area 1.029 0.937 0.833 0.690 0.786 0.835 0.655 0.703 0.754 0.885 0.745 0.76 AZ4 UDEL Eastern US Coastal Plain 07707 MLD-06 35.8969 -75.9705 44.7-44.9 13.62 JW2006-016-002 Bivalve Mercenaria THAA GC 2007008 7 0.35 good area 1.020 0.949 0.883 0.751 0.824 0.838 0.727 0.730 0.786 0.916 0.777 0.82 AZ4 UDEL Eastern US Coastal Plain 07707 MLD-06 35.8969 -75.9705 44.7-44.9 13.62 JW2006-016-001 Bivalve Mercenaria THAA GC 2007007 7 0.35 good height 1.044 0.998 0.827 0.680 0.786 0.817 0.670 0.709 0.748 0.912 0.747 0.75 AZ4 UDEL Eastern US Coastal Plain 07707 MLD-06 35.8969 -75.9705 44.7-44.9 13.62 JW2006-016-002 Bivalve Mercenaria THAA GC 2007008 7 0.35 good height 1.020 0.989 0.878 0.739 0.840 0.811 0.535 0.733 0.781 0.933 0.787 0.81 AZ4 UDEL Eastern US Coastal Plain 07707 MLD-06 35.8969 -75.9705 45.9-46.0 13.99 JW2006-017-001 Bivalve Mulinia THAA RPLC 2008040 w 1 good area 0.816 0.589 0.396 0.703 0.493 6969 A 0.088 B2 UDEL Eastern US Coastal Plain 07707 MLD-06 35.8969 -75.9705 45.9-46.0 13.99 JW2006-017-002 Bivalve Mulinia THAA RPLC 2008041 w 1 good area 0.904 0.642 0.487 0.773 0.565 6969 B 0.314 B2 UDEL Eastern US Coastal Plain 07707 MLD-06 35.8969 -75.9705 45.9-46.0 13.99 JW2006-017-003 Bivalve Mulinia THAA RPLC 2008042 w 1 good area 0.767 0.615 0.337 0.691 0.476 6969 C 0.070 B2 UDEL Eastern US Coastal Plain 07707 MLD-06 35.8969 -75.9705 45.9-46.0 13.99 JW2006-017-004 Bivalve Mulinia THAA RPLC 2008043 w 1 good area 0.845 0.629 0.396 0.737 0.513 6969 D 0.075 B2 UDEL Eastern US Coastal Plain 07707 MLD-06 35.8969 -75.9705 56.3 17.16 JW2006-019-001 Bivalve Rangia THAA GC 2007009 2 1 chalky area 0.672 0.898 0.808 0.609 0.639 0.776 0.719 0.617 0.660 0.853 0.628 No aminozone 0.71 UDEL Eastern US Coastal Plain 07707 MLD-06 35.8969 -75.9705 56.3 17.16 JW2006-019-001 Bivalve Rangia THAA GC 2007009 2 1 chalky height 0.702 0.974 0.791 0.636 0.675 0.756 0.726 0.606 0.668 0.882 0.640 assignment; 0.71 UDEL Eastern US Coastal Plain 07707 MLD-06 35.8969 -75.9705 56.3 17.16 JW2006-019-002 Bivalve Rangia THAA GC 2007010 2 1 chalky area 0.961 0.901 0.809 0.633 0.465 0.719 0.675 0.604 0.605 0.855 0.535 samples are chalky 0.72 UDEL Eastern US Coastal Plain 07707 MLD-06 35.8969 -75.9705 56.3 17.16 JW2006-019-002 Bivalve Rangia THAA GC 2007010 2 1 chalky height 0.976 0.987 0.787 0.630 0.694 0.738 0.727 0.588 0.662 0.887 0.641 and porous 0.71 UDEL Eastern US Coastal Plain 07707 MLD-06 35.8969 -75.9705 75.8-76.0 23.1 JW2006-022-001 Bivalve Mulinia THAA RPLC 2008044 w 1 good area 0.815 0.585 0.358 0.700 0.472 6968 A 0.034 B2 UDEL Eastern US Coastal Plain 07707 MLD-06 35.8969 -75.9705 75.8-76.0 23.1 JW2006-022-002 Bivalve Mulinia THAA RPLC 2008045 w 1 good area 0.870 0.616 0.461 0.743 0.539 6968 B 0.128 B2 UDEL Eastern US Coastal Plain 07707 MLD-06 35.8969 -75.9705 75.8-76.0 23.1 JW2006-022-003 Bivalve Mulinia THAA RPLC 2008046 w 1 good area 0.798 0.610 0.383 0.704 0.497 6968 C 0.061 B2 UDEL Eastern US Coastal Plain 07707 MLD-06 35.8969 -75.9705 75.8-76.0 23.1 JW2006-022-004 Bivalve Mulinia THAA RPLC 2008047 w 1 good area 0.757 0.607 0.361 0.682 0.484 6968 D 0.026 B2 UDEL Eastern US Coastal Plain 07707 MLD-06 35.8969 -75.9705 75.8-76.0 23.1 JW2006-022-005 Bivalve Mulinia THAA RPLC 2008048 w 1 good area 0.823 0.599 0.390 0.711 0.495 6968 E 0.091 B2 UDEL Eastern US Coastal Plain 07708 MLD-07 35.9036 -76.2986 24.1-24.5 7.35 JW2006-025-001 Bivalve Mulinia THAA RPLC 2008049 w 1 good area 0.602 0.434 0.266 0.518 0.350 6967 A 0.149 A1 UDEL Eastern US Coastal Plain 07708 MLD-07 35.9036 -76.2986 24.1-24.5 7.35 JW2006-025-002 Bivalve Mulinia THAA RPLC 2008050 w 1 good area 0.513 0.436 0.252 0.475 0.344 6967 B 0.385 A1 UDEL Eastern US Coastal Plain 07708 MLD-07 35.9036 -76.2986 24.1-24.5 7.35 JW2006-025-003 Bivalve Mulinia THAA RPLC 2008051 w 1 good area 0.557 0.453 0.240 0.505 0.347 6967 C 0.142 A1 UDEL Eastern US Coastal Plain 07708 MLD-07 35.9036 -76.2986 24.1-24.5 7.35 JW2006-025-004 Bivalve Mulinia THAA RPLC 2008052 w 1 good area 0.545 0.431 0.248 0.488 0.340 6967 D 0.141 A1 UDEL Eastern US Coastal Plain 07708 MLD-07 35.9036 -76.2986 56.7-56.9 17.28 JW2006-026-001 Bivalve Rangia THAA GC 2007018 2 0.75 chalky area 0.475 No aminozone ND UDEL Eastern US Coastal Plain 07708 MLD-07 35.9036 -76.2986 56.7-56.9 17.28 JW2006-026-001 Bivalve Rangia THAA GC 2007018 2 0.75 chalky height 0.513 assignment; ND UDEL Eastern US Coastal Plain 07708 MLD-07 35.9036 -76.2986 56.7-56.9 17.28 JW2006-026-002 Bivalve Rangia THAA GC 2007019 5 0.5 chalky area 0.903 0.878 0.690 0.614 0.567 0.617 0.713 0.454 0.563 0.784 0.510 samples are chalky 0.65 UDEL Eastern US Coastal Plain 07708 MLD-07 35.9036 -76.2986 56.7-56.9 17.28 JW2006-026-002 Bivalve Rangia THAA GC 2007019 5 0.5 chalky height 0.805 0.885 0.688 0.559 0.589 0.598 0.727 0.480 0.557 0.787 0.535 and porous 0.62 UDEL Eastern US Coastal Plain 07708 MLD-07 35.9036 -76.2986 56.7-56.9 17.28 JW2006-026-003 Bivalve Rangia THAA GC 2007020 8 0.15 chalky area 1.043 0.905 0.724 0.618 0.577 0.696 0.756 0.391 0.571 0.815 0.484 0.67 UDEL Eastern US Coastal Plain 07708 MLD-07 35.9036 -76.2986 56.7-56.9 17.28 JW2006-026-003 Bivalve Rangia THAA GC 2007020 8 0.15 chalky height 0.881 0.893 0.706 0.585 0.588 0.630 0.774 0.491 0.573 0.800 0.540 0.65 UDEL Eastern US Coastal Plain 07710 MLD-09 35.8725 -76.6568 55.0-55.3 16.76 JW2006-033-001 Bivalve Mercenaria THAA GC 2007012 6 0.25 good area 1.300 0.944 0.895 0.809 0.875 0.916 0.766 0.825 0.856 0.919 0.850 0.85 AZ4+ UDEL Eastern US Coastal Plain 07710 MLD-09 35.8725 -76.6568 55.0-55.3 16.76 JW2006-033-002 Bivalve Mercenaria THAA GC 2007013 7 0.15 good area 1.278 0.944 0.891 0.830 0.790 0.896 0.763 0.836 0.838 0.917 0.813 0.86 AZ4+ UDEL Eastern US Coastal Plain 07710 MLD-09 35.8725 -76.6568 55.0-55.3 16.76 JW2006-033-001 Bivalve Mercenaria THAA GC 2007012 6 0.25 good height 1.312 1.030 0.881 0.794 0.955 0.887 0.679 0.859 0.874 0.955 0.907 0.84 AZ4+ UDEL Eastern US Coastal Plain 07710 MLD-09 35.8725 -76.6568 55.0-55.3 16.76 JW2006-033-002 Bivalve Mercenaria THAA GC 2007013 7 0.15 good height 1.262 1.019 0.874 0.800 0.871 0.870 0.635 0.840 0.845 0.946 0.855 0.84 AZ4+ UDEL Eastern US Coastal Plain 07711 MLD-10 35.8091 -76.7631 40.8 12.43 JW2006-038-001 Bivalve Mercenaria THAA GC 2007021 8 0.15 good area 1.175 0.966 0.892 0.590 0.823 0.886 0.669 0.808 0.777 0.929 0.816 0.74 AZ4+ UDEL Eastern US Coastal Plain 07711 MLD-10 35.8091 -76.7631 40.8 12.43 JW2006-038-002 Bivalve Mercenaria THAA GC 2007022 8 0.1 fair area 1.256 0.968 0.918 0.834 0.870 0.900 0.625 0.835 0.860 0.943 0.853 0.88 AZ4+ UDEL Eastern US Coastal Plain 07711 MLD-10 35.8091 -76.7631 40.8 12.43 JW2006-038-003 Bivalve Mercenaria THAA GC 2007023 8 0.1 fair area 1.136 0.915 0.898 0.766 1.236 0.673 0.809 0.906 0.83 AZ4+ UDEL Eastern US Coastal Plain 07711 MLD-10 35.8091 -76.7631 40.8 12.43 JW2006-038-001 Bivalve Mercenaria THAA GC 2007021 8 0.15 good height 1.202 1.038 0.879 0.554 0.872 0.857 0.783 0.866 0.787 0.959 0.869 0.72 AZ4+ UDEL Eastern US Coastal Plain 07711 MLD-10 35.8091 -76.7631 40.8 12.43 JW2006-038-002 Bivalve Mercenaria THAA GC 2007022 8 0.1 fair height 1.267 1.041 0.897 0.806 0.856 0.878 0.702 0.846 0.847 0.969 0.851 0.85 AZ4+ UDEL Eastern US Coastal Plain 07711 MLD-10 35.8091 -76.7631 40.8 12.43 JW2006-038-003 Bivalve Mercenaria THAA GC 2007023 8 0.1 fair height 1.145 1.023 0.881 0.768 0.818 1.022 0.697 0.822 0.857 0.952 0.820 0.82 AZ4+ UDEL Eastern US Coastal Plain 07481 OBX-01 36.0094 -75.7083 32.9 10.03 JW2002-060 Bivalve Mercenaria THAA GC 2002067 2 0.1 robust rounded reworkearea 0.715 0.825 0.759 0.518 0.536 0.628 0.432 0.529 0.792 0.484 Pleistocene shell in Holocen0.64 AZ3+ UDEL Eastern US Coastal Plain 07481 OBX-01 36.0094 -75.7083 32.9 10.03 JW2002-061 Bivalve Mercenaria THAA GC 2002068 2 0.1 robust rounded reworkearea 0.541 0.736 0.668 0.391 0.441 0.501 0.343 0.419 0.702 0.392 Pleistocene shell in Holocen0.53 AZ3- UDEL Eastern US Coastal Plain 07482 OBX-02 36.0686 -75.7167 108.25 33 JW2002-118 Bivalve Oyster THAA GC 2002048 3 0.5 good area 0.400 0.410 0.110 0.100 0.210 0.405 9720 +/- 40 0.26 H UDEL Eastern US Coastal Plain 07486 OBX-05 36.0508 -75.6910 134.5-134.8 41 JW2002-056 Bivalve Mercenaria THAA GC 2002044 1 0.1 good area 0.961 0.781 0.708 0.772 0.837 0.732 0.762 0.871 0.752 0.74 AZ4 UDEL Eastern US Coastal Plain 07486 OBX-05 36.0508 -75.6910 134.5-134.8 41 JW2002-056 Bivalve Mercenaria THAA GC 2002044 1 0.1 good height 0.795 UDEL Eastern US Coastal Plain 07486 OBX-05 36.0508 -75.6910 134.7-134.9 41.1 JW2002-057 Bivalve Ensis THAA GC 2002045 3 0.1 thin but strong area 0.906 0.890 0.626 0.680 0.780 0.604 0.672 0.898 0.642 0.76 AZ4 UDEL Eastern US Coastal Plain 07486 OBX-05 36.0508 -75.6910 134.7-134.9 41.1 JW2002-057 Bivalve Ensis THAA GC 2002045 3 0.1 thin but strong height 0.733 UDEL Eastern US Coastal Plain 07488 OBX-07 35.9527 -75.6326 23.6 7.19 JW2002-016 Bivalve Mercenaria THAA GC 2006030 2 0.15 good; not rounded area 0.087 0.897 0.393 0.145 0.266 0.184 0.162 0.081 0.169 0.645 0.174 0.27 H UDEL Eastern US Coastal Plain 07488 OBX-07 35.9527 -75.6326 23.6 7.19 JW2002-016 Bivalve Mercenaria THAA GC 2006030 2 0.15 good; not rounded height 0.089 0.566 0.437 0.149 0.173 0.180 0.173 0.082 0.146 0.502 0.128 0.29 H UDEL Eastern US Coastal Plain 07488 OBX-07 35.9527 -75.6326 21.9 6.68 JW2002-015 Bivalve Mercenaria THAA GC 2002065 1 0.15 good; not rounded area 0.287 0.448 0.524 0.229 0.291 0.379 0.187 0.271 0.486 0.239 8180 +/- 35 0.38 H UDEL Eastern US Coastal Plain 07488 OBX-07 35.9527 -75.6326 27.6 8.41 JW2002-018 Bivalve Mercenaria THAA GC 2002066 2 0.15 good; not rounded area 0.207 0.401 0.482 0.193 0.219 0.295 0.137 0.211 0.442 0.178 6230 +/- 45 0.34 H UDEL Eastern US Coastal Plain 07488 OBX-07 35.9527 -75.6326 96.1 29.3 JW2002-028-001 Bivalve Spisula THAA GC 2006031 1 0.15 good; not rounded area 0.840 0.796 0.711 0.363 0.561 0.649 0.510 0.408 0.495 0.753 0.484 0.54 AZ3+? UDEL Eastern US Coastal Plain 07488 OBX-07 35.9527 -75.6326 96.1 29.3 JW2002-028-001 Bivalve Spisula THAA GC 2006031 1 0.15 good; not rounded height 0.844 0.848 0.688 0.373 0.564 0.614 0.503 0.415 0.492 0.768 0.490 0.53 AZ3+? UDEL Eastern US Coastal Plain 07488 OBX-07 35.9527 -75.6326 96.1 29.3 JW2002-028-002 Bivalve Ensis THAA GC 2003011 2 0.25 good area 0.443 0.645 0.637 0.345 0.399 0.573 0.293 0.403 0.641 0.346 Altered sample? 0.49 AZ3+? UDEL Eastern US Coastal Plain 07488 OBX-07 35.9527 -75.6326 103.6 31.59 JW2002-030-001 Bivalve Spisula THAA GC 2006032 2 0.25 good area 0.661 0.819 0.715 0.486 0.566 0.612 0.587 0.421 0.521 0.767 0.493 0.60 AZ3+? UDEL Eastern US Coastal Plain 07488 OBX-07 35.9527 -75.6326 103.6 31.59 JW2002-030-001 Bivalve Spisula THAA GC 2006032 2 0.25 good height 0.648 0.877 0.714 0.453 0.556 0.597 0.579 0.416 0.506 0.795 0.486 0.58 AZ3+? UDEL Eastern US Coastal Plain 07488 OBX-07 35.9527 -75.6326 103.6 31.59 JW2002-030-002 Bivalve Mercenaria THAA GC 2003012 2 0.15 good area 0.588 0.859 0.642 0.455 0.558 0.671 0.477 0.540 0.751 0.517 One shell, 0.55 AZ3+ UDEL Eastern US Coastal Plain 07488 OBX-07 35.9527 -75.6326 103.6 31.59 JW2002-030-002 Bivalve Mercenaria THAA GC 2006033 3 0.1 good area 0.586 0.828 0.679 0.476 0.516 0.663 0.655 0.424 0.520 0.754 0.470 two different 0.58 AZ3+ UDEL Eastern US Coastal Plain 07488 OBX-07 35.9527 -75.6326 103.6 31.59 JW2002-030-002 Bivalve Mercenaria THAA GC 2006033 3 0.1 good height 0.595 0.868 0.714 0.466 0.544 0.639 0.618 0.422 0.518 0.791 0.483 fragments 0.59 AZ3+ UDEL Eastern US Coastal Plain 07489 OBX-08 35.9053 -75.5982 68.6 20.91 JW2002-086-003 Bivalve Mulinia THAA GC 2006025 w 1 good area 0.146 0.367 0.493 0.166 0.176 0.218 0.181 0.090 0.163 0.430 0.133 0.33 A UDEL Eastern US Coastal Plain 07489 OBX-08 35.9053 -75.5982 68.6 20.91 JW2002-086-004 Bivalve Mulinia THAA GC 2006026 w 1 good area 0.149 0.314 0.503 0.204 0.190 0.230 0.204 0.106 0.182 0.408 0.148 Assigned to 0.35 A UDEL Eastern US Coastal Plain 07489 OBX-08 35.9053 -75.5982 68.6 20.91 JW2002-086-005 Bivalve Mulinia THAA GC 2006027 w 1 good area 0.140 0.356 0.490 0.148 0.207 0.208 0.090 0.423 0.119 Mulinia Group A ND A UDEL Eastern US Coastal Plain 07489 OBX-08 35.9053 -75.5982 68.6 20.91 JW2002-086-003 Bivalve Mulinia THAA GC 2006025 w 1 good height 0.144 0.343 0.499 0.191 0.177 0.201 0.191 0.093 0.165 0.421 0.135 0.34 A UDEL Eastern US Coastal Plain 07489 OBX-08 35.9053 -75.5982 68.6 20.91 JW2002-086-004 Bivalve Mulinia THAA GC 2006026 w 1 good height 0.149 0.317 0.520 0.212 0.183 0.207 0.221 0.105 0.177 0.418 0.144 0.37 A UDEL Eastern US Coastal Plain 07489 OBX-08 35.9053 -75.5982 68.6 20.91 JW2002-086-005 Bivalve Mulinia THAA GC 2006027 w 1 good height 0.157 0.349 0.500 0.165 0.197 0.220 0.097 0.425 0.131 ND A UDEL Eastern US Coastal Plain 07489 OBX-08 35.9053 -75.5982 70 21.34 JW2002-087-001 Bivalve Mercenaria THAA GC 2002046 5 0.4 rounded area 0.650 0.630 0.346 0.414 0.444 0.305 0.377 0.640 0.360 Reworked sample? 0.49 AZ2+? UDEL Eastern US Coastal Plain 07489 OBX-08 35.9053 -75.5982 70 21.34 JW2002-087-001 Bivalve Mercenaria THAA GC 2002069 5 0.4 rounded area 0.682 0.635 0.346 0.405 0.477 0.309 0.384 0.659 0.357 0.49 AZ2+? UDEL Eastern US Coastal Plain 07489 OBX-08 35.9053 -75.5982 70 21.34 JW2002-087-002 Bivalve Mercenaria THAA GC 2002070 7 0.3 blackened shell; sharparea 0.526 0.544 0.264 0.319 0.358 0.201 0.285 0.535 0.260 0.40 AZ2 UDEL Eastern US Coastal Plain 07489 OBX-08 35.9053 -75.5982 70 21.34 JW2002-087-002 Bivalve Mercenaria THAA GC 2005335 8 0.3 blackened shell; sharparea 0.298 0.638 0.724 0.380 0.343 0.429 0.405 0.243 0.349 0.681 0.293 Mixed ages 0.55 AZ2 UDEL Eastern US Coastal Plain 07489 OBX-08 35.9053 -75.5982 70 21.34 JW2002-087-003 Bivalve Mercenaria THAA GC 2005336 5 0.1 sharp edges area 0.290 0.611 0.297 0.308 0.412 0.357 0.214 0.308 0.261 in this 0.45 AZ2 UDEL Eastern US Coastal Plain 07489 OBX-08 35.9053 -75.5982 70 21.34 JW2002-087-002 Bivalve Mercenaria THAA GC 2005335 8 0.3 blackened shell; sharpheight 0.293 0.620 0.742 0.366 0.345 0.422 0.241 0.343 0.681 0.293 set of analyes? 0.55 AZ2 UDEL Eastern US Coastal Plain 07489 OBX-08 35.9053 -75.5982 70 21.34 JW2002-087-003 Bivalve Mercenaria THAA GC 2005336 5 0.1 sharp edges height 0.298 0.703 0.285 0.309 0.389 0.210 0.298 0.260 ND AZ2 UDEL Eastern US Coastal Plain 07489 OBX-08 35.9053 -75.5982 70 21.34 JW2002-087-004 Bivalve Mulinia THAA GC 2005337 w 1 good area 0.174 0.368 0.568 0.210 0.183 0.242 0.226 0.103 0.185 0.468 0.143 Assigned to 0.39 A UDEL Eastern US Coastal Plain 07489 OBX-08 35.9053 -75.5982 70 21.34 JW2002-087-004 Bivalve Mulinia THAA GC 2005337 w 1 good height 0.169 0.366 0.215 0.181 0.236 0.106 0.185 0.144 Mulinia Group A ND A UDEL Eastern US Coastal Plain 07489 OBX-08 35.9053 -75.5982 70 21.34 JW2002-087-005 Bivalve Mulinia THAA GC 2005338 w 1 good area 0.339 0.585 0.160 0.272 0.105 0.462 0.132 ND A UDEL Eastern US Coastal Plain 07489 OBX-08 35.9053 -75.5982 70 21.34 JW2002-087-005 Bivalve Mulinia THAA GC 2005338 w 1 good height 0.340 0.173 0.237 ND A UDEL Eastern US Coastal Plain 07489 OBX-08 35.9053 -75.5982 114.2 34.82 JW2002-091-001 Bivalve Mercenaria THAA GC 2002047 8 0.1 sharp edges area 0.883 0.669 0.470 0.579 0.598 0.425 0.518 0.776 0.502 0.57 AZ3+ UDEL Eastern US Coastal Plain 07489 OBX-08 35.9053 -75.5982 114.2 34.82 JW2002-091-001 Bivalve Mercenaria THAA GC 2002047 8 0.1 sharp edges height 0.600 ND UDEL Eastern US Coastal Plain 07530 OBX-10 35.8352 -75.5723 29.7 9.05 JW2003-026-002 Bivalve Mercenaria THAA GC 2004024 7 0.1 chalky area 0.105 0.277 0.460 0.167 0.152 0.196 0.198 0.089 0.151 0.368 0.120 0.31 H UDEL Eastern US Coastal Plain 07530 OBX-10 35.8352 -75.5723 65.6 20 JW2003-031-1 Bivalve Mercenaria THAA GC 2004025 1.5 0.1 grey, dense area 0.393 0.615 0.695 0.339 0.391 0.488 0.480 0.267 0.371 0.655 0.329 0.52 AZ2+ UDEL Eastern US Coastal Plain 07530 OBX-10 35.8352 -75.5723 65.6 20 JW2003-031-2 Bivalve Mercenaria THAA GC 2004026 2 0.15 grey, dense area 0.389 0.559 0.678 0.319 0.391 0.474 0.477 0.248 0.358 0.618 0.319 0.50 AZ2+ UDEL Eastern US Coastal Plain 07530 OBX-10 35.8352 -75.5723 65.6 20 JW2003-031-2 Bivalve Mercenaria THAA GC 2004026.1 2 0.15 grey, dense area 0.352 0.572 0.666 0.307 0.391 0.464 0.489 0.244 0.351 0.619 0.318 0.49 AZ2+ UDEL Eastern US Coastal Plain 07530 OBX-10 35.8352 -75.5723 65.75 20.05 JW2003-032 Bivalve Mercenaria THAA GC 2004027 4 0.2 grey, dense area 0.402 0.697 0.646 0.523 0.391 0.625 0.447 0.294 0.458 0.672 0.343 0.58 AZ2+ UDEL Eastern US Coastal Plain 07530 OBX-10 35.8352 -75.5723 66 20.12 JW2003-033 Bivalve Mercenaria THAA GC 2005498 6 0.2 grey, dense; rounded rarea 0.401 0.669 0.811 0.459 0.457 0.554 0.568 0.295 0.441 0.740 0.376 0.64 AZ2+ UDEL Eastern US Coastal Plain 07530 OBX-10 35.8352 -75.5723 66 20.12 JW2003-033 Bivalve Mercenaria THAA GC 2005498 6 0.2 grey, dense; rounded rheight 0.404 0.678 0.797 0.434 0.459 0.545 0.571 0.294 0.433 0.738 0.377 0.62 AZ2+ UDEL Eastern US Coastal Plain 07530 OBX-10 35.8352 -75.5723 73.95-74.1 22.55 JW2003-038 Bivalve Mercenaria THAA GC 2004028 8 0.2 grey dense area 0.415 0.667 0.718 0.320 0.412 0.520 0.445 0.260 0.378 0.692 0.336 0.52 AZ2+ UDEL Eastern US Coastal Plain 07530 OBX-10 35.8352 -75.5723 122.5-122.7 37.35 JW2003-053-002 Bivalve Mercenaria THAA GC 2005499 10 0.1 grey-black; sharp edgearea 0.548 0.877 0.817 0.473 0.570 0.639 0.538 0.410 0.523 0.847 0.490 0.65 AZ3+ UDEL Eastern US Coastal Plain 07530 OBX-10 35.8352 -75.5723 122.5-122.7 37.35 JW2003-053-002 Bivalve Mercenaria THAA GC 2005499 10 0.1 grey-black; sharp edgeheight 0.554 0.854 0.805 0.462 0.571 0.616 0.549 0.407 0.514 0.829 0.489 0.63 AZ3+ UDEL Eastern US Coastal Plain 07530 OBX-10 35.8352 -75.5723 127.8-128.4 38.96 JW2003-055 Bivalve Mercenaria THAA GC 2005500 6 0.2 grey-black; sharp edgearea 0.615 0.872 0.805 0.534 0.540 0.666 0.510 0.479 0.555 0.838 0.510 0.67 AZ3+ UDEL Eastern US Coastal Plain 07530 OBX-10 35.8352 -75.5723 127.8-128.4 38.96 JW2003-055 Bivalve Mercenaria THAA GC 2005500 6 0.2 grey-black; sharp edgeheight 0.609 0.924 0.825 0.536 0.548 0.641 0.565 0.458 0.546 0.874 0.503 0.68 AZ3+ UDEL Eastern US Coastal Plain 07530 OBX-10 35.8352 -75.5723 136 41.46 JW2003-062-001 Bivalve Spisula or MesodesmTHAA GC 2006023 6 0.15 tan/ sharp edges; thinarea 0.576 0.789 0.831 0.528 0.559 0.644 0.709 0.467 0.549 0.810 0.513 No aminozone 0.68 UDEL Eastern US Coastal Plain 07530 OBX-10 35.8352 -75.5723 136 41.46 JW2003-062-001 Bivalve Spisula or MesodesmTHAA GC 2006023 6 0.15 tan/ sharp edges; thinheight 0.587 0.804 0.825 0.513 0.561 0.631 0.673 0.462 0.542 0.815 0.511 assigned - 0.67 UDEL Eastern US Coastal Plain 07530 OBX-10 35.8352 -75.5723 136 41.46 JW2003-062-002 Bivalve Spisula or MesodesmTHAA GC 2006024 6 0.15 tan/ sharp edges; thinarea 0.527 0.854 0.704 0.390 0.546 0.611 0.499 0.398 0.486 0.779 0.472 likely AZ3+ 0.55 UDEL Eastern US Coastal Plain 07530 OBX-10 35.8352 -75.5723 136 41.46 JW2003-062-002 Bivalve Spisula or MesodesmTHAA GC 2006024 6 0.15 tan/ sharp edges; thinheight 0.537 0.872 0.692 0.407 0.544 0.579 0.516 0.403 0.483 0.782 0.474 0.55 UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 28.5-29.1 8.69 JW2003-118-1 Bivalve Mercenaria THAA GC 2004019 2 0.1 frg of same shell area 0.044 0.123 0.391 0.112 0.064 0.092 0.264 0.033 0.075 0.257 0.048 0.25 H UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 28.5-29.1 8.69 JW2003-118-2 Bivalve Mercenaria THAA GC 2004020 3 0.1 frg of same shell area 0.042 0.127 0.410 0.144 0.063 0.103 0.098 0.034 0.086 0.268 0.049 0.28 H UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 32.0-32.9 9.76 JW2003-119-1 Bivalve Mercenaria THAA GC 2004010 3 0.1 sharp edges area 0.123 0.276 0.463 0.164 0.169 0.251 0.237 0.105 0.172 0.370 0.137 0.31 H UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 32.0-32.9 9.76 JW2003-119-6 Bivalve Mercenaria THAA GC 2004011 3 0.1 sharp edges area 0.080 0.228 0.446 0.170 0.118 0.179 0.168 0.072 0.135 0.337 0.095 0.31 H UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 43.0-43.2 13.11 JW2003-122-1 Bivalve Spisula THAA GC 2004029 4 0.1 small area 0.279 0.517 0.592 0.285 0.319 0.330 0.260 0.174 0.277 0.554 0.247 0.44 UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 43.0-43.2 13.11 JW2003-122-2 Bivalve Spisula THAA GC 2004030 4 0.1 small area 0.309 0.519 0.595 0.211 0.352 0.414 0.336 0.188 0.291 0.557 0.270 0.40 UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 73.8 22.5 JW2003-131-001 Bivalve Mercenaria THAA GC 2003169 3 0.35 good area 0.413 0.631 0.656 0.372 0.474 0.538 0.306 0.422 0.644 0.390 0.51 AZ3- UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 73.8 22.5 JW2003-131-001 Bivalve Mercenaria THAA GC 2003169M 3 0.35 good area 0.422 0.623 0.669 0.356 0.471 0.518 0.302 0.412 0.646 0.387 0.51 AZ3- UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 73.8 22.5 JW2003-131-002 Bivalve Mercenaria THAA GC 2003170 3 0.35 good area 0.440 0.639 0.750 0.419 0.508 0.543 0.585 0.327 0.449 0.694 0.418 0.58 AZ3- UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 73.8 22.5 JW2003-131-001 Bivalve Mercenaria THAA GC 2005325 3 0.35 good area 0.422 0.640 0.856 0.516 0.494 0.633 0.576 0.310 0.488 0.748 0.402 0.69 AZ3- UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 73.8 22.5 JW2003-131-002 Bivalve Mercenaria THAA GC 2003170M 7 0.35 good area 0.454 0.644 0.735 0.397 0.501 0.565 0.327 0.448 0.690 0.414 0.57 AZ3- UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 73.8 22.5 JW2003-131-002 Bivalve Mercenaria THAA GC 2005326 7 0.35 good; middle layer area 0.375 0.660 0.776 0.417 0.462 0.591 0.540 0.276 0.437 0.718 0.369 0.60 AZ3- UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 73.8 22.5 JW2003-131-001 Bivalve Mercenaria THAA GC 2005325 3 0.35 good height 0.445 0.492 0.553 ND UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 73.8 22.5 JW2003-131-002 Bivalve Mercenaria THAA GC 2005326 7 0.35 good; middle layer height 0.386 0.461 0.530 ND UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 79.65-79.85 24.28 JW2003-134-1 Bivalve Mulinia THAA GC 2005295 2 1 1/3 of shell area 0.628 0.298 0.248 0.46 A2? UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 79.65-79.85 24.28 JW2003-134-2 Bivalve Mulinia THAA GC 2005296 2 1 1/2 of shell area 0.622 0.277 0.219 0.334 0.157 0.247 0.188 0.45 A2? UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 84.5-84.75 25.76 JW2003-137-1 Bivalve Mulinia THAA GC 2005297 2 1 1/2 of shell area 0.261 0.561 0.281 0.377 0.260 0.188 0.234 ND UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 84.5-84.75 25.76 JW2003-137-3 Bivalve Ensis THAA GC 2004031 5 0.15 1/3 of shell area 0.244 0.424 0.640 0.293 0.286 0.379 0.231 0.171 0.282 0.532 0.229 0.47 A2? UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 84.5-84.75 25.76 JW2003-137-4 Bivalve Ensis THAA GC 2004032 5 0.15 1/3 of shell area 0.313 0.520 0.566 0.298 0.337 0.428 0.330 0.228 0.323 0.543 0.282 0.43 A2? UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 88.7-89.2 27.05 JW2003-142-001 Bivalve Mulinia THAA RPLC 2007346 3 1 good area 0.58 0.538 0.294 0.559 0.42 6673A 0.37 2 A2 UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 88.7-89.2 27.05 JW2003-142-001 Bivalve Mulinia THAA RPLC 2007346 3 1 good area 0.535 0.524 0.283 0.530 0.40 6673B 0.4 2 A2 UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 88.7-89.2 27.05 JW2003-142-002 Bivalve Mulinia THAA RPLC 2007347 3 1 good area 0.59 0.49 0.305 0.540 0.40 6674A 0.34 2 A2 UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 88.7-89.2 27.05 JW2003-142-002 Bivalve Mulinia THAA RPLC 2007347 3 1 good area 0.503 0.524 0.266 0.514 0.40 6674B 0.41 2 A2 UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 88.7-89.2 27.05 JW2003-142-003 Bivalve Mulinia THAA RPLC 2007348 3 1 good area 0.523 0.464 0.266 0.494 0.37 6675A 0.42 2 A2 UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 88.7-89.2 27.05 JW2003-142-003 Bivalve Mulinia THAA RPLC 2007348 3 1 good area 0.586 0.492 0.258 0.539 0.38 6675B 0.18 2 A2 UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 88.7-89.2 27.05 JW2003-142-004 Bivalve Mulinia THAA RPLC 2007349 3 1 good area 0.553 0.493 0.282 0.523 0.39 6676A 0.361 3 A2 UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 88.7-89.2 27.05 JW2003-142-004 Bivalve Mulinia THAA RPLC 2007349 3 1 good area 0.535 0.482 0.275 0.509 Six fragments from same shel0.38 6676C 0.369 3 A2 UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 88.7-89.2 27.05 JW2003-142-004 Bivalve Mulinia THAA RPLC 2007349 3 1 good area 0.509 0.486 0.265 0.498 0.38 6676D 0.432 3 A2 UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 88.7-89.2 27.05 JW2003-142-004 Bivalve Mulinia THAA RPLC 2007349 3 1 good area 0.56 0.52 0.282 0.540 0.40 6676E 0.416 3 A2 UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 88.7-89.2 27.05 JW2003-142-004 Bivalve Mulinia THAA RPLC 2007349 3 1 good area 0.541 0.479 0.278 0.510 0.38 6676F 0.308 3 A2 UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 88.7-89.2 27.05 JW2003-142-004 Bivalve Mulinia THAA RPLC 2007349 3 1 good area 0.36 0.425 0.12 0.393 Exclude from mean 0.27 6676B 0.04 3 A2 UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 90.4-90.7 27.56 JW2003-143-001 Bivalve Mercenaria THAA GC 2003171 8 0.35 good; sharp edges area 0.474 0.706 0.650 0.393 0.464 0.561 0.367 0.446 0.678 0.416 0.52 AZ3- UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 90.4-90.7 27.56 JW2003-143-001 Bivalve Mercenaria THAA GC 2005341 8 0.35 good; sharp edges area 0.376 0.774 0.734 0.453 0.410 0.613 0.610 0.303 0.445 0.754 0.356 Large intrashell 0.59 AZ3- UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 90.4-90.7 27.56 JW2003-143-001 Bivalve Mercenaria THAA GC 2005341 8 0.35 good; sharp edges height 0.406 0.969 0.444 0.433 0.552 0.607 0.364 0.448 0.399 variability ND AZ3- UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 103.2-103.4 31.46 JW2003-146-001 Bivalve Mulinia THAA RPLC 2007350 w 1 good area 0.847 0.561 0.362 0.704 0.46 6677 0.21 B1 UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 103.2-103.4 31.46 JW2003-146-002 Bivalve Mulinia THAA RPLC 2007351 w 1 good area 0.731 0.562 0.372 0.647 0.47 6678 0.27 B1 UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 103.2-103.4 31.46 JW2003-146-003 Bivalve Mulinia THAA RPLC 2007352 w 1 good area 0.716 0.555 0.376 0.636 0.47 6679 0.38 B1 UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 168.3-169.15 51.31 JW2003-150-002 Bivalve Ensis THAA GC 2006037 5 0.2 good area 1.038 1.047 0.832 0.590 0.742 0.826 0.646 0.598 0.689 0.940 0.670 0.71 C UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 168.3-169.15 51.31 JW2003-150-002 Bivalve Ensis THAA GC 2006037 5 0.2 good height 1.028 0.955 0.809 0.578 0.705 0.798 0.647 0.591 0.668 0.882 0.648 0.69 C UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 168.3-169.15 51.31 JW2003-150-003 Bivalve Mercenaria? THAA GC 2006038 3 1 small shell; thin but area 1.140 1.007 0.820 0.633 0.700 0.813 0.638 0.584 0.682 0.914 0.642 0.73 AZ4-? UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 168.3-169.15 51.31 JW2003-150-003 Bivalve Mercenaria? THAA GC 2006038 3 1 small shell; thin but height 1.069 0.961 0.808 0.607 0.665 0.766 0.610 0.595 0.658 0.884 0.630 0.71 AZ4-? UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 168.3-169.15 51.52 JW2003-150 Bivalve Ensis THAA RPLC 2007353 3 0.3 good area 0.98 0.806 0.584 0.893 0.70 6680 0.178 C UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 177.7-178.3 54.17 JW2003-152-001 Bivalve Mercenaria THAA GC 2003148 3 0.65 good area 1.165 0.944 0.853 0.754 0.823 0.883 0.805 0.816 0.899 0.814 0.80 AZ4+ UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 177.7-178.3 54.17 JW2003-152-001 Bivalve Mercenaria THAA GC 2005342 3 0.65 good area 1.204 0.997 0.900 0.802 0.800 0.905 0.749 0.813 0.830 0.948 0.806 0.85 AZ4+ UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 177.7-178.3 54.17 JW2003-152-002 Bivalve Mercenaria THAA GC 2003149 3 0.15 good area 1.028 0.996 0.847 0.744 0.821 0.929 0.785 0.820 0.922 0.803 0.80 AZ4+ UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 177.7-178.3 54.17 JW2003-152-001 Bivalve Mercenaria THAA GC 2005342 3 0.65 good height 1.115 1.081 0.885 0.772 0.813 0.870 0.799 0.809 0.816 0.983 0.811 0.83 AZ4+ UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 177.7-178.3 54.17 JW2003-152 Bivalve Mercenaria THAA RPLC 2007354 5 0.1 good area 1.093 0.831 0.726 0.962 0.78 6681A 0.224 2 AZ4+ UDEL Eastern US Coastal Plain 07531 OBX-11 35.5916 -75.4685 177.7-178.3 54.17 JW2003-152 Bivalve Mercenaria THAA RPLC 2007354 5 0.1 good area 1.079 0.821 0.685 0.950 0.75 6681B 0.297 2 AZ4+ UDEL Eastern US Coastal Plain 07532 OBX-12 35.4389 -75.4859 24.2 7.38 JW2003-073-001 Bivalve Chione THAA GC 2003168 1 0.9 good area 0.055 0.130 0.486 0.173 0.084 0.126 0.086 0.037 0.105 0.308 0.061 3080 +/- 35 0.33 H UDEL Eastern US Coastal Plain 07532 OBX-12 35.4389 -75.4859 24.2 7.38 JW2003-073-001 Bivalve Chione THAA GC 2003168M 1 0.9 good area 0.056 0.135 0.551 0.217 0.078 0.143 0.038 0.119 0.343 0.058 3080 +/- 35 0.38 H UDEL Eastern US Coastal Plain 07532 OBX-12 35.4389 -75.4859 58.8-59.2 17.93 JW2003-084-003 Bivalve Mercenaria THAA GC 2006040 8 0.15 good area 0.263 0.609 0.594 0.271 0.270 0.360 0.333 0.185 0.272 0.602 0.228 43200 +/ 480 0.43 AZ2 UDEL Eastern US Coastal Plain 07532 OBX-12 35.4389 -75.4859 58.8-59.2 17.93 JW2003-084-003 Bivalve Mercenaria THAA GC 2006040 8 0.15 good height 0.263 0.570 0.642 0.288 0.277 0.346 0.315 0.185 0.274 0.606 0.231 43200 +/ 480 0.46 AZ2 UDEL Eastern US Coastal Plain 07532 OBX-12 35.4389 -75.4859 67.15-67.5 20.47 JW2003-089-001 Bivalve Mulinia THAA GC 2006041 w 1 good area 0.310 0.550 0.596 0.361 0.287 0.463 0.370 0.208 0.330 0.573 0.248 0.48 A UDEL Eastern US Coastal Plain 07532 OBX-12 35.4389 -75.4859 67.15-67.5 20.47 JW2003-089-002 Bivalve Mulinia THAA GC 2006042 w 1 good area 0.216 0.458 0.565 0.267 0.217 0.322 0.256 0.147 0.238 0.511 0.182 0.42 A UDEL Eastern US Coastal Plain 07532 OBX-12 35.4389 -75.4859 67.15-67.5 20.47 JW2003-089-001 Bivalve Mulinia THAA GC 2006041 w 1 good height 0.326 0.574 0.602 0.328 0.306 0.378 0.389 0.213 0.306 0.588 0.260 0.46 A UDEL Eastern US Coastal Plain 07532 OBX-12 35.4389 -75.4859 67.15-67.5 20.47 JW2003-089-002 Bivalve Mulinia THAA GC 2006042 w 1 good height 0.222 0.461 0.593 0.264 0.230 0.293 0.269 0.147 0.233 0.527 0.188 0.43 A UDEL Eastern US Coastal Plain 07533 OBX-13 35.3209 -75.5089 38.8 11.83 JW2003-103-001 Bivalve Mercenaria THAA GC 2005339 8 0.25 good area 0.344 0.673 0.290 0.425 0.509 0.547 0.286 0.377 0.355 0.48 AZ2+ UDEL Eastern US Coastal Plain 07533 OBX-13 35.3209 -75.5089 38.8 11.83 JW2003-103-001 Bivalve Mercenaria THAA GC 2006102 8 0.25 good area 0.367 0.724 0.587 0.295 0.357 0.450 0.415 0.262 0.341 0.655 0.309 0.44 AZ2+ UDEL Eastern US Coastal Plain 07533 OBX-13 35.3209 -75.5089 38.8 11.83 JW2003-103-001 Bivalve Mercenaria THAA GC 2005339 8 0.25 good height 0.362 0.932 0.655 0.320 0.416 0.488 0.578 0.281 0.376 0.793 0.349 0.49 AZ2+ UDEL Eastern US Coastal Plain 07533 OBX-13 35.3209 -75.5089 38.8 11.83 JW2003-103-001 Bivalve Mercenaria THAA GC 2006102 8 0.25 good height 0.369 0.740 0.632 0.300 0.362 0.433 0.384 0.261 0.339 0.686 0.312 0.47 AZ2+ UDEL Eastern US Coastal Plain 07533 OBX-13 35.3209 -75.5089 38.8 11.83 JW2003-103-002 Bivalve Mulinia THAA GC 2005340 w 1 good area 0.177 0.442 0.514 0.213 0.214 0.269 0.245 0.108 0.201 0.478 0.161 0.36 A UDEL Eastern US Coastal Plain 07533 OBX-13 35.3209 -75.5089 38.8 11.83 JW2003-103-002 Bivalve Mulinia THAA GC 2005340 w 1 good height 0.160 0.439 0.213 0.215 0.254 0.113 0.199 0.164 ND UDEL Eastern US Coastal Plain 07533 OBX-13 35.3209 -75.5089 53.2 16.22 JW2003-105-001 Bivalve Mercenaria THAA GC 2006103 3 0.4 good area 0.365 0.667 0.628 0.320 0.408 0.452 0.469 0.272 0.363 0.647 0.340 0.47 AZ2+ UDEL Eastern US Coastal Plain 07533 OBX-13 35.3209 -75.5089 53.2 16.22 JW2003-105-001 Bivalve Mercenaria THAA GC 2006103 3 0.4 good height 0.366 0.692 0.669 0.339 0.408 0.443 0.427 0.272 0.366 0.680 0.340 0.50 AZ2+ UDEL Eastern US Coastal Plain 07533 OBX-13 35.3209 -75.5089 53.2 16.22 JW2003-105-002 Bivalve Mulinia THAA GC 2006104 w 1 good area 0.166 0.391 0.506 0.215 0.171 0.247 0.211 0.109 0.186 0.448 0.140 0.36 A UDEL Eastern US Coastal Plain 07533 OBX-13 35.3209 -75.5089 53.2 16.22 JW2003-105-002 Bivalve Mulinia THAA GC 2006104 w 1 good height 0.164 0.398 0.581 0.222 0.182 0.236 0.208 0.110 0.187 0.490 0.146 0.40 A UDEL Eastern US Coastal Plain 07533 OBX-13 35.3209 -75.5089 53.85 16.42 JW2003-106 Bivalve Mercenaria THAA GC 2006105 7 0.25 sharp; robust; black area 0.360 0.665 0.640 0.326 0.418 0.457 0.473 0.277 0.369 0.653 0.347 0.48 AZ2+ UDEL Eastern US Coastal Plain 07533 OBX-13 35.3209 -75.5089 53.85 16.42 JW2003-106 Bivalve Mercenaria THAA GC 2006105 7 0.25 sharp; robust; black height 0.360 0.655 0.702 0.395 0.418 0.462 0.390 0.274 0.387 0.679 0.346 0.55 AZ2+ UDEL Eastern US Coastal Plain 07533 OBX-13 35.3209 -75.5089 54.1 16.49 JW2003-107 Bivalve Mercenaria THAA GC 2004070 1.5 0.15 good middle layer area 0.322 0.608 0.657 0.321 0.390 0.448 0.545 0.244 0.351 0.633 0.317 0.49 AZ2+ UDEL Eastern US Coastal Plain 07533 OBX-13 35.3209 -75.5089 62.4 19.02 JW2003-113-001 Bivalve Mercenaria THAA GC 2003145 5 0.2 good blackened area 0.312 0.613 0.576 0.277 0.335 0.408 0.227 0.312 0.595 0.281 0.43 AZ2+ UDEL Eastern US Coastal Plain 07533 OBX-13 35.3209 -75.5089 62.4 19.02 JW2003-113-002 Bivalve Mercenaria THAA GC 2003146 8 0.15 good area 0.443 0.695 0.641 0.340 0.445 0.494 0.301 0.395 0.668 0.373 0.49 AZ2+ UDEL Eastern US Coastal Plain 07533 OBX-13 35.3209 -75.5089 62.4 19.02 JW2003-113-003 Bivalve Mercenaria THAA GC 2003147 8 0.15 good area 0.425 0.679 0.623 0.342 0.388 0.463 0.289 0.370 0.651 0.338 0.48 AZ2+ UDEL Eastern US Coastal Plain 07533 OBX-13 35.3209 -75.5089 62.4 19.02 JW2003-113-003 Bivalve Mercenaria THAA GC 2003147m 8 0.15 good area 0.399 0.665 0.630 0.376 0.391 0.478 0.280 0.381 0.647 0.335 0.50 AZ2+ UDEL Eastern US Coastal Plain 07544 OBX-14 35.1151 -75.9877 70.6 21.52 JW2004-109 Bivalve Oyster THAA 6230 +/- 30 H UDEL Eastern US Coastal Plain 07544 OBX-14 35.1151 -75.9877 73.2 22.32 JW2004-112 Bivalve Mercenaria THAA GC 2004151 1 0.25 middle layer, umbo area 0.143 0.285 0.595 0.236 0.192 0.234 0.318 0.123 0.196 0.440 0.157 6330 +/- 40 0.42 H UDEL Eastern US Coastal Plain 07544 OBX-14 35.1151 -75.9877 73.2 22.32 JW2004-112 Bivalve Mercenaria THAA GC 2005349 1 0.25 middle layer, umbo area 0.120 0.319 0.459 0.155 0.169 0.176 0.263 0.101 0.150 0.389 0.135 6330 +/- 40 0.31 H UDEL Eastern US Coastal Plain 07544 OBX-14 35.1151 -75.9877 73.6 22.44 JW2004-113 Bivalve Mercenaria THAA GC 2004193 1 0.15 umbo, middle layer area 0.067 0.158 0.488 0.147 0.093 0.139 0.119 0.059 0.109 0.323 0.076 6340 +/- 30 0.32 H UDEL Eastern US Coastal Plain 07544 OBX-14 35.1151 -75.9877 73.6 22.44 JW2004-113 Bivalve Mercenaria THAA GC 2005350 1 0.15 umbo, middle layer area 0.068 0.186 0.506 0.149 0.079 0.139 0.126 0.052 0.105 0.346 0.065 6340 +/- 30 0.33 H UDEL Eastern US Coastal Plain 07544 OBX-14 35.1151 -75.9877 73.2 22.32 JW2004-112 Bivalve Mercenaria THAA GC 2004151 1 0.25 middle layer, umbo height 0.198 6330 +/- 40 H UDEL Eastern US Coastal Plain 07544 OBX-14 35.1151 -75.9877 73.2 22.32 JW2004-112 Bivalve Mercenaria THAA GC 2005349 1 0.25 middle layer, umbo height 0.125 0.237 0.517 0.165 0.159 0.177 0.101 0.151 0.377 0.130 6330 +/- 40 0.34 H UDEL Eastern US Coastal Plain 07544 OBX-14 35.1151 -75.9877 73.6 22.44 JW2004-113 Bivalve Mercenaria THAA GC 2004193 1 0.15 umbo, middle layer height 0.085 6340 +/- 30 H UDEL Eastern US Coastal Plain 07544 OBX-14 35.1151 -75.9877 73.6 22.44 JW2004-113 Bivalve Mercenaria THAA GC 2005350 1 0.15 umbo, middle layer height 0.072 0.161 0.578 0.163 0.091 0.147 0.055 0.114 0.369 0.073 6340 +/- 30 0.37 H UDEL Eastern US Coastal Plain 07544 OBX-14 35.1151 -75.9877 117.5 35.82 JW2004-115-002 Bivalve Mercenaria THAA GC 2005493 1.5 0.1 good area 1.152 1.016 0.835 0.746 0.830 0.878 0.759 0.837 0.822 0.925 0.833 0.79 AZ4+ UDEL Eastern US Coastal Plain 07544 OBX-14 35.1151 -75.9877 117.5 35.82 JW2004-115-003 Bivalve Mercenaria THAA GC 2005494 1.5 0.1 good area 1.074 0.931 0.914 0.746 0.737 0.878 0.714 0.759 0.780 0.922 0.748 0.83 AZ4+ UDEL Eastern US Coastal Plain 07544 OBX-14 35.1151 -75.9877 117.5 35.82 JW2004-115-002 Bivalve Mercenaria THAA GC 2005493 1.5 0.1 good height 1.186 1.068 0.839 0.836 0.847 0.845 0.823 0.796 0.831 0.953 0.821 0.84 AZ4+ UDEL Eastern US Coastal Plain 07544 OBX-14 35.1151 -75.9877 117.5 35.82 JW2004-115-003 Bivalve Mercenaria THAA GC 2005494 1.5 0.1 good height 1.068 1.012 0.915 0.752 0.833 0.865 0.748 0.753 0.801 0.964 0.793 0.83 AZ4+ UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 44.8 13.66 JW2004-063 Bivalve Chione THAA GC OS-45333 1 0.9 good area 0.100 6900 +/- 35 ND H UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 51.4 15.67 JW2004-064 Bivalve Mercenaria THAA GC 2006006 9 0.1 chalky surface but robarea 0.228 0.545 0.555 0.215 0.287 0.339 0.311 0.148 0.247 0.550 0.217 29700 +/- 200 0.39 AZ2 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 51.4 15.67 JW2004-064 Bivalve Mercenaria THAA GC 2006006 9 0.1 chalky surface but robheight 0.226 0.548 0.561 0.214 0.306 0.320 0.311 0.153 0.248 0.555 0.230 29700 +/- 200 0.39 AZ2 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 73.4 22.38 JW2004-066 Bivalve Mercenaria THAA GC 2006007 2 0.15 sharp edges good shellarea 0.615 0.843 0.773 0.512 0.591 0.643 0.584 0.450 0.549 0.808 0.520 0.64 AZ3+ UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 73.4 22.38 JW2004-066 Bivalve Mercenaria THAA GC 2006007 2 0.15 sharp edges good shellheight 0.614 0.882 0.755 0.495 0.598 0.626 0.616 0.452 0.543 0.819 0.525 0.62 AZ3+ UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 73.8 22.56 JW2004-068-001 Bivalve Mulinia THAA RPLC 2007379 w 1 good area 0.664 0.523 0.298 0.594 0.41 6657 0.36 A2 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 73.8 22.56 JW2004-068-002 Bivalve Mulinia THAA RPLC 2007380 w 1 good area 0.648 0.553 0.266 0.601 0.41 6658 0.17 A2 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 73.8 22.56 JW2004-068-003 Bivalve Mulinia THAA RPLC 2007381 w 1 good area 0.343 0.392 0.153 0.368 Not included in mean 0.27 6659A 0.53 2 A2 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 73.8 22.56 JW2004-068-003 Bivalve Mulinia THAA RPLC 2007381 w 1 good area 0.364 0.381 0.149 0.373 0.27 6659B 0.52 2 A2 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 74.3 22.65 JW2004-067-001 Bivalve Mercenaria THAA GC 2004195 2 1 umbo, middle layer area 0.315 0.556 0.650 0.298 0.357 0.398 0.436 0.223 0.319 0.603 0.290 32200 +/- 190 0.47 AZ2 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 74.3 22.65 JW2004-067-001a Bivalve Mercenaria THAA GC 2005525 2 1 outer 2/3 without blacarea 0.386 0.561 0.547 0.263 0.369 0.387 0.432 0.238 0.314 0.554 0.303 32200 +/- 190 0.41 AZ2 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 74.3 22.65 JW2004-067-001b Bivalve Mercenaria THAA GC 2005526 2 1 inner 1/3 area 0.283 0.533 0.642 0.266 0.383 0.369 0.441 0.190 0.302 0.587 0.286 32200 +/- 190 0.45 AZ2 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 74.3 22.65 JW2004-067-001a Bivalve Mercenaria THAA GC 2005525 2 1 outer 2/3 without blacheight 0.401 0.578 0.604 0.269 0.356 0.394 0.397 0.234 0.313 0.591 0.295 32200 +/- 190 0.44 AZ2 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 74.3 22.65 JW2004-067-001b Bivalve Mercenaria THAA GC 2005526 2 1 inner 1/3 height 0.287 0.466 0.644 0.263 0.359 0.364 0.408 0.190 0.294 0.555 0.275 32200 +/- 190 0.45 AZ2 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 74.3 22.65 JW2004-067-002-I Bivalve Mercenaria THAA GC 2005346 4 same shell 0.1 inner layer area 0.640 0.841 0.892 0.607 0.677 0.722 0.659 0.466 0.618 0.867 0.572 0.75 AZ3.5 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 74.3 22.65 JW2004-067-002-I-aBivalve Mercenaria THAA GC 2006008 3 same shell 0.1 inner layer area 0.836 0.819 0.834 0.532 0.674 0.705 0.621 0.461 0.593 0.827 0.567 0.68 [AZ3.5] UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 74.3 22.65 JW2004-067-002inneBivalve Mercenaria THAA GC 2005527 4 same shell 0.1 inner area 0.685 0.883 0.876 0.566 0.685 0.712 0.713 0.471 0.609 0.879 0.578 0.72 [AZ3.5] UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 74.3 22.65 JW2004-067-002-o Bivalve Mercenaria THAA GC 2005345 may all be same shell 0.1 outer layer area 0.649 0.860 0.807 0.548 0.675 0.688 0.664 0.486 0.599 0.834 0.581 0.68 [AZ3.5] UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 74.3 22.65 JW2004-067-002outeBivalve Mercenaria THAA GC 2005528 4 same shell 0.1 outer area 0.710 0.886 0.771 0.543 0.676 0.688 0.644 0.489 0.599 0.828 0.582 0.66 [AZ3.5] UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 74.3 22.65 JW2004-067-003 Bivalve Mercenaria THAA GC 2005529 2 same shell 0.1 good area 0.669 0.867 0.789 0.506 0.670 0.688 0.645 0.452 0.579 0.828 0.561 Multiple fragments 0.65 [AZ3.5] UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 74.3 22.65 JW2004-067-004 Bivalve Mercenaria THAA GC 2006009 5 same shell 0.05 good area 0.679 0.850 0.757 0.501 0.598 0.667 0.600 0.468 0.558 0.804 0.533 of same 0.63 [AZ3.5] UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 74.3 22.65 JW2004-067-005 Bivalve Mercenaria THAA GC 2006010 5 same shell 0.05 good area 0.686 0.881 0.803 0.542 0.694 0.715 0.680 0.481 0.608 0.842 0.587 reworked 0.67 [AZ3.5] UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 74.3 22.65 JW2004-067-002-I Bivalve Mercenaria THAA GC 2005346 4 same shell 0.1 inner layer height 0.646 0.864 0.879 0.595 0.688 0.708 0.462 0.613 0.872 0.575 shell?? 0.74 [AZ3.5] UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 74.3 22.65 JW2004-067-002-I-aBivalve Mercenaria THAA GC 2006008 3 same shell 0.1 inner layer height 0.844 0.844 0.831 0.517 0.675 0.682 0.660 0.461 0.584 0.837 0.568 0.67 [AZ3.5] UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 74.3 22.65 JW2004-067-002inneBivalve Mercenaria THAA GC 2005527 4 same shell 0.1 inner height 0.688 0.834 0.857 0.577 0.696 0.694 0.657 0.470 0.609 0.845 0.583 0.72 [AZ3.5] UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 74.3 22.65 JW2004-067-002-o Bivalve Mercenaria THAA GC 2005345 may all be same shell 0.1 outer layer height 0.660 0.915 0.800 0.539 0.667 0.676 0.480 0.590 0.857 0.573 0.67 [AZ3.5] UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 74.3 22.65 JW2004-067-002outeBivalve Mercenaria THAA GC 2005528 4 same shell 0.1 outer height 0.702 0.905 0.776 0.531 0.660 0.676 0.584 0.483 0.588 0.841 0.572 0.65 [AZ3.5] UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 74.3 22.65 JW2004-067-003 Bivalve Mercenaria THAA GC 2005529 2 same shell 0.1 good height 0.667 0.869 0.796 0.502 0.661 0.686 0.564 0.451 0.575 0.832 0.556 0.65 [AZ3.5] UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 74.3 22.65 JW2004-067-004 Bivalve Mercenaria THAA GC 2006009 5 same shell 0.05 good height 0.676 0.898 0.746 0.487 0.607 0.646 0.610 0.465 0.551 0.822 0.536 0.62 [AZ3.5] UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 74.3 22.65 JW2004-067-005 Bivalve Mercenaria THAA GC 2006010 5 same shell 0.05 frag height 0.691 0.878 0.804 0.554 0.688 0.698 0.624 0.478 0.604 0.841 0.583 0.68 [AZ3.5] UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 91.3 27.83 JW2004-069-001 Bivalve Mulinia THAA RPLC 2007382 w 1 good area 0.953 0.635 0.532 0.794 0.58 6691A 0.22 2 B3 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 91.3 27.83 JW2004-069-001 Bivalve Mulinia THAA RPLC 2007382 w 1 good area 0.919 0.651 0.497 0.785 0.57 6691B 0.17 2 B3 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 91.3 27.83 JW2004-069-002 Bivalve Mulinia THAA RPLC 2007383 w 1 good area 0.917 0.642 0.476 0.780 0.56 6692A 0.18 2 B3 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 91.3 27.83 JW2004-069-002 Bivalve Mulinia THAA RPLC 2007383 w 1 good area 0.911 0.655 0.528 0.783 0.59 6692B 0.14 2 B3 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 91.3 27.83 JW2004-069-003 Bivalve Mulinia THAA RPLC 2007384 w 1 good area 0.938 0.663 0.449 0.801 0.56 6693 ND B3 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 102 31.1 JW2004-072 Bivalve Mercenaria THAA GC 2006011 8 0.15 good area 0.966 0.972 0.830 0.583 0.759 0.855 0.724 0.644 0.710 0.901 0.701 0.71 AZ4 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 103.35 31.51 JW2004-073 Bivalve Mercenaria THAA GC 2004206 8 0.15 good area 1.007 0.985 0.858 0.642 0.777 0.879 0.768 0.684 0.745 0.921 0.730 0.75 AZ4 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 103.35 31.51 JW2004-073 Bivalve Mercenaria THAA GC 2005347 8 0.15 good area 0.932 0.942 0.865 0.629 0.801 0.891 0.749 0.683 0.751 0.903 0.742 0.75 AZ4 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 102 31.1 JW2004-072 Bivalve Mercenaria THAA GC 2006011 8 0.15 good height 0.970 1.042 0.833 0.592 0.750 0.834 0.736 0.644 0.705 0.937 0.697 0.71 AZ4 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 103.35 31.51 JW2004-073 Bivalve Mercenaria THAA GC 2005347 8 0.15 good height 0.941 1.031 0.844 0.606 0.786 0.858 0.677 0.732 0.937 0.731 0.72 AZ4 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 108.8 33.17 JW2004-075 Bivalve Merc or spis THAA GC 2005348 8 0.1 fragment area 0.954 0.919 0.838 0.727 0.793 0.876 0.660 0.708 0.776 0.879 0.750 0.78 AZ4 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 108.8 33.17 JW2004-075 Bivalve Merc or spis THAA GC 2005348 9 0.1 fragment height 0.955 1.044 0.847 0.780 0.767 0.839 0.701 0.772 0.945 0.734 0.81 AZ4 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 109.6 33.41 JW2004-076-001 Bivalve Mulinia THAA RPLC 2007393 3 1 good area 0.978 0.739 0.594 0.859 0.67 6660A 0.11 2 C1 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 109.6 33.41 JW2004-076-001 Bivalve Mulinia THAA RPLC 2007393 3 1 good area 1.031 0.756 0.617 0.894 0.69 6660B 0.16 2 C1 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 109.6 33.41 JW2004-076-002 Bivalve Mulinia THAA RPLC 2007394 3 1 good area 0.972 0.755 0.601 0.864 0.68 6661 0.12 C1 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 109.6 33.41 JW2004-076-003 Bivalve Mulinia THAA RPLC 2007395 3 0.5 good area 1.01 0.747 0.628 0.879 0.69 6662 0.08 C1 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 111.7 34.05 JW2004-077-001 Bivalve Mulinia THAA RPLC 2007399 w 1 good area 0.905 0.645 0.485 0.775 0.57 6694 0.22 C1 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 111.7 34.05 JW2004-077-002 Bivalve Mulinia THAA RPLC 2007400 w 1 good area 0.969 0.707 0.549 0.838 0.63 6695 0.16 C1 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 111.7 34.05 JW2004-077-003 Bivalve Mulinia THAA RPLC 2007401 w 1 good area 1.006 0.73 0.603 0.868 0.67 6696 ND C1 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 123.55 37.66 JW2004-079-001 Bivalve Mulinia THAA RPLC 2007407 w 1 good area 0.901 0.690 0.582 0.796 0.64 6697 0.08 C1 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 123.55 37.66 JW2004-079-002 Bivalve Mulinia THAA RPLC 2007408 w 1 good area 1.020 0.758 0.605 0.889 0.68 6698 ND C1 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 123.55 37.66 JW2004-079-003 Bivalve Mulinia THAA RPLC 2007409 w 1 good area 1.081 0.771 0.673 0.926 0.72 6699 ND C1 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 128.4 39.14 JW2004-080 Bivalve Mercenaria THAA RPLC 2007410 2 0.15 good area 1.087 0.902 0.750 0.995 0.83 6700A 0.204 2 AZ4 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 128.4 39.14 JW2004-080 Bivalve Mercenaria THAA RPLC 2007410 2 0.15 good area 1.113 0.908 0.786 1.011 0.85 6700B 0.102 2 AZ4 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 129.8 39.56 JW2004-081 Bivalve Mercenaria THAA RPLC 2007411 2 0.15 good area 1.112 0.893 0.765 1.003 0.83 6701A 0.201 2 AZ4 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 129.8 39.56 JW2004-081 Bivalve Mercenaria THAA RPLC 2007411 2 0.15 good area 1.095 0.894 0.760 0.995 0.83 6701B 0.156 2 AZ4 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 130.35 39.73 JW2004-082 Bivalve Mercenaria THAA RPLC 2007412 2 0.15 good area 1.121 0.912 0.872 1.017 0.89 6702A 0.187 2 AZ4 UDEL Eastern US Coastal Plain 07545 OBX-15 35.1894 -75.7792 130.35 39.73 JW2004-082 Bivalve Mercenaria THAA RPLC 2007412 2 0.15 good area 1.137 0.936 0.906 1.037 0.92 6702B 0.200 2 AZ4 UDEL Eastern US Coastal Plain 07546 OBX-16 35.1614 -75.8365 29.2 8.9 JW2004-090 Bivalve Mercenaria THAA GC 2005491 4 0.1 chalky but solid in miarea 0.257 0.407 0.691 0.324 0.279 0.326 0.376 0.170 0.275 0.549 0.225 0.51 AZ2 UDEL Eastern US Coastal Plain 07546 OBX-16 35.1614 -75.8365 29.2 8.9 JW2004-090 Bivalve Mercenaria THAA GC 2005491 4 0.1 chalky but solid in miheight 0.257 0.391 0.692 0.315 0.282 0.321 0.374 0.175 0.273 0.542 0.228 0.50 AZ2 UDEL Eastern US Coastal Plain 07546 OBX-16 35.1614 -75.8365 86.9 26.5 JW2004-096-001 Bivalve Mulinia THAA RPLC 2007415 w 1 good area 1.065 0.658 0.578 0.862 0.62 6663 0.15 B3 UDEL Eastern US Coastal Plain 07546 OBX-16 35.1614 -75.8365 86.9 26.5 JW2004-096-002 Bivalve Mulinia THAA RPLC 2007416 w 1 good area 0.982 0.654 0.540 0.818 0.60 6664 0.09 B3 UDEL Eastern US Coastal Plain 07546 OBX-16 35.1614 -75.8365 86.9 26.5 JW2004-096-003 Bivalve Mulinia THAA RPLC 2007417 w 1 good area 1.036 0.687 0.556 0.862 0.62 6665 0.13 B3 UDEL Eastern US Coastal Plain 07546 OBX-16 35.1614 -75.8365 86.9 26.5 JW2004-096-004 Bivalve Mulinia THAA RPLC 2007418 w 1 good area 0.520 0.464 0.139 0.492 Not included in mean 0.30 6666 0.01 UDEL Eastern US Coastal Plain 07546 OBX-16 35.1614 -75.8365 91.25 27.81 JW2004-097-001 Bivalve Mulinia THAA RPLC 2007419 w 1 good area 0.882 0.646 0.495 0.764 0.57 6794AB 0.13 1 B3 UDEL Eastern US Coastal Plain 07546 OBX-16 35.1614 -75.8365 91.25 27.81 JW2004-097-002 Bivalve Mulinia THAA RPLC 2007420 w 1 good area 0.901 0.668 0.493 0.785 All others in this group 0.58 6795AB 0.13 1 B3 UDEL Eastern US Coastal Plain 07546 OBX-16 35.1614 -75.8365 91.25 27.81 JW2004-097-003 Bivalve Mulinia THAA RPLC 2007421 w 1 good area 0.879 0.668 0.484 0.774 interpreted as one 0.58 6796 0.08 B3 UDEL Eastern US Coastal Plain 07546 OBX-16 35.1614 -75.8365 99.55 30.34 JW2004-098-001 Bivalve Mulinia THAA RPLC 2007422 w 1 good area 0.889 0.660 0.490 0.775 0.58 6797 0.13 B3 UDEL Eastern US Coastal Plain 07546 OBX-16 35.1614 -75.8365 99.55 30.34 JW2004-098-002 Bivalve Mulinia THAA RPLC 2007423 w 1 good area 0.900 0.663 0.485 0.782 0.57 6798 0.19 B3 UDEL Eastern US Coastal Plain 07546 OBX-16 35.1614 -75.8365 99.55 30.34 JW2004-098-003 Bivalve Mulinia THAA RPLC 2007424 w 1 good area 0.885 0.671 0.474 0.778 0.57 6799 0.19 B3 UDEL Eastern US Coastal Plain 07546 OBX-16 35.1614 -75.8365 99.55 30.34 JW2004-098-004 Bivalve Mulinia THAA RPLC 2007425 w 1 good area 0.866 0.649 0.499 0.758 0.57 6800 0.06 B3 UDEL Eastern US Coastal Plain 07546 OBX-16 35.1614 -75.8365 100.25 30.56 JW2004-100-001 Bivalve Merc hinge? THAA GC 2006028 1 0.1 white grey area 0.808 0.917 0.730 0.573 0.768 0.821 0.750 0.591 0.688 0.823 0.680 0.65 AZ4- UDEL Eastern US Coastal Plain 07546 OBX-16 35.1614 -75.8365 100.25 30.56 JW2004-100-001 Bivalve Merc hinge? THAA GC 2006028 1 0.1 white grey height 0.816 0.985 0.722 0.578 0.728 0.798 0.783 0.590 0.673 0.853 0.659 0.65 AZ4- UDEL Eastern US Coastal Plain 07546 OBX-16 35.1614 -75.8365 100.25 30.56 JW2004-100-002 Bivalve Spisula hinge? THAA GC 2006029 2 0.1 dark grey area 0.739 0.939 0.713 0.705 0.777 0.527 0.826 0.616 ND UDEL Eastern US Coastal Plain 07546 OBX-16 35.1614 -75.8365 100.25 30.56 JW2004-100-002 Bivalve Spisula hinge? THAA GC 2006029 2 0.1 dark grey height 0.739 1.026 0.739 0.704 0.757 0.527 0.883 0.615 ND UDEL Eastern US Coastal Plain 07546 OBX-16 35.1614 -75.8365 101 30.79 JW2004-101-002 Bivalve Spisula? THAA GC 2005492 ? 0.05 fragment area 0.538 0.866 0.749 0.490 0.502 0.595 0.424 0.370 0.489 0.807 0.436 0.62 UDEL Eastern US Coastal Plain 07546 OBX-16 35.1614 -75.8365 101 30.79 JW2004-101-002 Bivalve Spisula? THAA GC 2005492 ? 0.05 fragment height 0.545 0.923 0.734 0.486 0.517 0.569 0.444 0.372 0.486 0.829 0.444 0.61 UDEL Eastern US Coastal Plain 07546 OBX-16 35.1614 -75.8365 101 30.79 JW2004-101-1 Bivalve Spisula THAA GC 2005478 1.5 0.15 good area 0.737 0.928 0.823 0.565 0.669 0.757 0.599 0.513 0.626 0.876 0.591 0.69 UDEL Eastern US Coastal Plain 07546 OBX-16 35.1614 -75.8365 101 30.79 JW2004-101-1 Bivalve Spisula THAA GC 2005478 1.5 0.15 good height 0.736 1.004 0.818 0.548 0.684 0.738 0.736 0.528 0.625 0.911 0.606 0.68 UDEL Eastern US Coastal Plain 07546 OBX-16 35.1614 -75.8365 148.1 45.1 JW2004-103-001 Bivalve Mulinia THAA RPLC 2007426 3 1 good area 0.976 0.741 0.613 0.859 0.68 6667 0.06 C1 UDEL Eastern US Coastal Plain 07546 OBX-16 35.1614 -75.8365 148.1 45.1 JW2004-103-002 Bivalve Mulinia THAA RPLC 2007427 3 1 good area 1.034 0.752 0.664 0.893 0.71 6668 0.05 C1 UDEL Eastern US Coastal Plain 07546 OBX-16 35.1614 -75.8365 148.1 45.1 JW2004-103-003 Bivalve Mulinia THAA RPLC 2007428 3 1 good area 0.977 0.718 0.573 0.848 0.65 6669 0.05 C? UDEL Eastern US Coastal Plain 07546 OBX-16 35.1614 -75.8365 148.1 45.1 JW2004-103-004 Bivalve Mulinia THAA RPLC 2007428a 3 1 good area 0.847 0.605 0.460 0.726 0.53 6670 ND C? UDEL Eastern US Coastal Plain 07546 OBX-16 35.1614 -75.8365 173.5 52.9 JW2004-104 Bivalve Mulinia THAA RPLC 2007429 w 1 fair area 0.839 0.644 0.443 0.742 0.54 6801 0.04 C? UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 48.2 14.7 JW2004-016 Bivalve Spisula THAA RPLC 2008078 2 0.15 good area 0.574 0.513 0.231 0.544 0.37 6991 0.450 A1 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 50.1 15.27 JW2004-027-001 Bivalve Mulinia THAA RPLC 2007356 w 1 good area 0.447 0.44 0.199 0.444 31700 +/- 230 0.32 6682 0.53 A1 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 50.1 15.27 JW2004-027-002 Bivalve Mulinia THAA RPLC 2007357 w 1 good area 0.479 0.452 0.242 0.466 0.35 6683 0.47 A1 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 50.1 15.27 JW2004-027-003 Bivalve Mulinia THAA RPLC 2008079 w 1 good area 0.503 0.472 0.246 0.488 0.36 6987 A 0.488 A1 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 50.1 15.27 JW2004-027-004 Bivalve Mulinia THAA RPLC 2008080 w 1 good area 0.449 0.389 0.213 0.419 0.30 6987 B 0.576 A1 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 50.1 15.27 JW2004-027-005 Bivalve Spisula THAA RPLC 2008081 4 0.15 good area 0.564 0.450 0.197 0.507 0.32 6988 0.734 A1 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 50.1 15.27 JW2004-027-006 Bivalve Mercenaria THAA RPLC 2008082 2 0.1 good area 0.480 0.588 0.174 0.534 0.38 6986 0.135 AZ2 A1 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 61.3 18.68 JW2004-028-001 Bivalve Mulinia THAA RPLC 2008083 w 1 good area 0.534 0.441 0.262 0.488 0.35 6983 A 0.491 A1 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 61.3 18.68 JW2004-028-002 Bivalve Mulinia THAA RPLC 2008084 w 1 good area 0.395 0.397 0.179 0.396 0.29 6983 B 0.476 A1 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 61.3 18.68 JW2004-028-003 Bivalve Mulinia THAA RPLC 2008085 w 1 good area 0.439 0.430 0.203 0.435 0.32 6983 C 0.505 A1 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 61.3 18.68 JW2004-028S Bivalve Spisula THAA RPLC 2008086 2 0.1 good area 0.484 0.476 0.156 0.480 0.32 6984 0.595 A1 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 61.3 18.68 JW2004-028M Bivalve Mercenaria THAA RPLC 2008087 2 0.1 good area 0.599 0.501 0.199 0.550 0.35 6985 0.634 AZ2 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 67 20.42 JW2004-029 Bivalve Spisula THAA good 28700 +/- 160 A1 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 67.7 20.64 JW2004-030 Bivalve Mulinia THAA RPLC 2008088 w 1 area 0.413 0.404 0.197 0.30 6989 0.462 A1 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 69.6 21.22 JW2004-031-001 Bivalve Mercenaria THAA GC 2004194 1.5 0.2 umbo, middle layer area 0.348 0.617 0.668 0.288 0.383 0.455 0.460 0.241 0.342 0.642 0.312 0.48 AZ2 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 69.6 21.22 JW2004-031-001 Bivalve Mercenaria THAA GC 2005327 1.5 0.2 umbo, middle layer area 0.282 0.587 0.681 0.321 0.357 0.490 0.445 0.227 0.349 0.634 0.292 0.50 AZ2 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 69.6 21.22 JW2004-031-002 Bivalve Mercenaria THAA GC 2005328 8 0.3 good area 0.272 0.551 0.636 0.290 0.302 0.428 0.383 0.186 0.302 0.594 0.244 0.46 AZ2 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 69.6 21.22 JW2004-031-003 Bivalve Mercenaria THAA GC 2005343 9.5 0.2 good area 0.309 0.595 0.714 0.340 0.325 0.431 0.428 0.221 0.329 0.655 0.273 0.53 AZ2 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 70 21.34 JW2004-032-001 Bivalve Mercenaria THAA GC 2004207 1.5 0.2 middle layer area 0.305 0.600 0.575 0.266 0.299 0.400 0.333 0.208 0.293 0.588 0.254 0.42 AZ2 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 70 21.34 JW2004-032-002 Bivalve Mercenaria THAA GC 2006106 7 0.15 fair area 0.290 0.629 0.546 0.239 0.317 0.386 0.348 0.200 0.285 0.588 0.259 0.39 AZ2 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 70 21.34 JW2004-032-003 Bivalve Mercenaria THAA GC 2006107 7 0.1 good area 0.336 0.622 0.548 0.251 0.331 0.399 0.373 0.235 0.304 0.585 0.283 0.40 AZ2 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 69.6 21.22 JW2004-031-001 Bivalve Mercenaria THAA GC 2005327 1.5 0.2 umbo, middle layer height 0.283 0.616 0.353 0.465 ND AZ2 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 69.6 21.22 JW2004-031-002 Bivalve Mercenaria THAA GC 2005328 8 0.3 good height 0.266 0.310 0.301 0.411 ND AZ2 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 69.6 21.22 JW2004-031-003 Bivalve Mercenaria THAA GC 2005343 9.5 0.2 good height 0.314 0.646 0.707 0.330 0.332 0.413 0.220 0.324 0.677 0.276 0.52 AZ2 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 70 21.34 JW2004-032-002 Bivalve Mercenaria THAA GC 2006106 7 0.15 fair height 0.283 0.653 0.584 0.243 0.311 0.371 0.325 0.197 0.280 0.618 0.254 0.41 AZ2 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 70 21.34 JW2004-032-003 Bivalve Mercenaria THAA GC 2006107 7 0.1 good height 0.333 0.629 0.618 0.269 0.332 0.402 0.333 0.230 0.308 0.623 0.281 0.44 AZ2 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 79.2 24.15 JW2004-038-001 Bivalve Ensis THAA RPLC 2007358 2 0.2 good area 0.546 0.515 0.242 0.531 0.38 6650 A2 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 79.2 24.15 JW2004-038-002 Bivalve Mulinia THAA RPLC 2007359 w 1 good area 0.525 0.475 0.28 0.500 0.38 6651A 0.4 2 A2 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 79.2 24.15 JW2004-038-002 Bivalve Mulinia THAA RPLC 2007359 w 1 good area 0.502 0.493 0.275 0.498 0.38 6651B 0.44 2 A2 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 79.2 24.15 JW2004-038-003 Bivalve Mulinia THAA RPLC 2007360 w 1 good area 0.553 0.507 0.293 0.530 0.40 6652A 0.32 2 A2 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 79.2 24.15 JW2004-038-003 Bivalve Mulinia THAA RPLC 2007360 w 1 good area 0.573 0.516 0.29 0.545 0.40 6652B 2 A2 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 79.2 24.15 JW2004-038-004 Bivalve Mulinia THAA RPLC 2007361 w 1 good area 0.467 0.452 0.247 0.460 0.35 6653A 0.34 2 A2 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 79.2 24.15 JW2004-038-004 Bivalve Mulinia THAA RPLC 2007361 w 1 good area 0.489 0.473 0.253 0.481 0.36 6653B 0.35 2 A2 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 81.55 24.86 JW2004-039-001 Bivalve Mulinia THAA RPLC 2008089 w 1 good area 0.543 0.523 0.267 0.533 0.40 6990 A 0.363 A2 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 81.55 24.86 JW2004-039-002 Bivalve Mulinia THAA RPLC 2008090 w 1 good area 0.434 0.469 0.222 0.452 0.35 6990 B 0.300 A2 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 81.55 24.86 JW2004-039-003 Bivalve Mulinia THAA RPLC 2008091 w 1 good area 0.448 0.474 0.230 0.461 0.35 6990 C 0.283 A2 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 81.55 24.86 JW2004-039-004 Bivalve Mulinia THAA RPLC 2008092 w 1 good area 0.431 0.459 0.214 0.445 0.34 6990 D 0.256 A2 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 84.5 25.76 JW2004-041 Bivalve Spisula THAA GC 2005344 1 0.15 good area 0.435 0.646 0.716 0.376 0.413 0.497 0.403 0.317 0.401 0.681 0.365 0.55 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 84.5 25.76 JW2004-041 Bivalve Spisula THAA GC 2005344 1 0.15 good height 0.433 0.704 0.718 0.367 0.431 0.468 0.311 0.394 0.711 0.371 0.54 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 105.05 32.03 JW2004-050-001 Bivalve Mulinia THAA RPLC 2007366 w 1 good area 0.775 0.571 0.383 0.673 0.48 6684 0.15 B1 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 105.05 32.03 JW2004-050-002 Bivalve Mulinia THAA RPLC 2007367 w 1 good area 0.793 0.652 0.381 0.723 0.52 6685 0.43 B1 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 105.05 32.03 JW2004-050-003 Bivalve Mulinia THAA RPLC 2007368 w 1 good area 0.74 0.601 0.369 0.671 0.49 6686 0.26 B1 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 105.05 32.03 JW2004-050-004 Bivalve Mulinia THAA RPLC 2007369 w 1 good area 0.816 0.601 0.392 0.709 0.50 6687 0.27 B1 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 136.4 41.58 JW2004-054-001 Bivalve Mulinia THAA RPLC 2007370 w 1 good area 0.731 0.557 0.38 0.644 Not included in mean 0.47 6654A 0.25 2 C1 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 136.4 41.58 JW2004-054-001 Bivalve Mulinia THAA RPLC 2007370 w 1 good area 0.782 0.579 0.374 0.681 Not included in mean 0.48 6654B 0.23 2 C1 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 136.4 41.58 JW2004-054-002 Bivalve Mulinia THAA RPLC 2007371 w 1 good area 1.021 0.735 0.61 0.878 0.67 6655A 0.19 2 C1 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 136.4 41.58 JW2004-054-002 Bivalve Mulinia THAA RPLC 2007371 w 1 good area 1.062 0.742 0.636 0.902 Mixed ages 0.69 6655B 0.23 2 C1 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 136.4 41.58 JW2004-054-003 Bivalve Mulinia THAA RPLC 2007372 w 1 good area 0.909 0.699 0.524 0.804 or 0.61 6656A 0.08 2 C1 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 136.4 41.58 JW2004-054-003 Bivalve Mulinia THAA RPLC 2007372 w 1 good area 0.989 0.716 0.585 0.853 altered samples 0.65 6656B 0.1 2 C1 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 164.8 50.23 JW2004-059-001 Bivalve Spisula THAA RPLC 2007376 w 1 good area 1.122 0.79 0.538 0.956 0.66 6688 0.318 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 164.8 50.23 JW2004-059-002 Bivalve Mulinia THAA RPLC 2007377 w 1 good area 1.081 0.823 0.753 0.952 Not included in mean 0.79 6689 ND C2 UDEL Eastern US Coastal Plain 07547 OBX-17 35.2653 -75.5564 164.8 50.23 JW2004-059-003 Bivalve Mulinia THAA RPLC 2007378 w 1 good area 1.01 0.76 0.646 0.885 0.70 6690 0.14 C2 UDEL Eastern US Coastal Plain 07569 OBX-18 36.3762 -75.8266 87.4 26.64 JW2005-025 Bivalve Mercenaria THAA GC 2005501 5 0.25 wormy but good luster area 1.018 0.932 0.749 0.738 0.893 0.819 0.744 0.781 0.741 0.84 AZ4 UDEL Eastern US Coastal Plain 07569 OBX-18 36.3762 -75.8266 87.4 26.64 JW2005-025 Bivalve Mercenaria THAA GC 2005501 5 0.25 wormy but good luster height 1.019 1.056 0.923 0.753 0.809 0.882 0.827 0.746 0.797 0.990 0.778 0.84 AZ4 UDEL Eastern US Coastal Plain 07569 OBX-18 36.3762 -75.8266 90.8 27.68 JW2005-031 Bivalve Mercenaria THAA GC 2005330 3 0.2 good area 0.927 0.888 0.742 0.775 0.907 0.690 0.693 0.779 0.734 0.81 AZ4 UDEL Eastern US Coastal Plain 07569 OBX-18 36.3762 -75.8266 90.8 27.68 JW2005-031 Bivalve Mercenaria THAA GC 2005330 3 0.2 good height 0.833 ND AZ4 UDEL Eastern US Coastal Plain 07569 OBX-18 36.3762 -75.8266 100.9 30.75 JW2005-045-001 Bivalve Merc or spisula THAA GC 2005502 2 0.1 hinge robust area 0.960 1.044 0.918 0.803 0.763 0.858 0.699 0.756 0.795 0.981 0.759 0.86 AZ4 UDEL Eastern US Coastal Plain 07569 OBX-18 36.3762 -75.8266 100.9 30.75 JW2005-045-001 Bivalve Merc or spisula THAA GC 2005502 2 0.1 hinge robust height 0.970 1.019 0.895 0.788 0.787 0.835 0.764 0.742 0.788 0.957 0.765 0.84 AZ4 UDEL Eastern US Coastal Plain 07569 OBX-18 36.3762 -75.8266 100-105 bit 30.5 JW2005-053-002 Bivalve Mercenaria THAA GC 2005503 6 0.15 thick sharp edges area 1.012 0.978 0.921 0.802 0.814 0.858 0.629 0.766 0.810 0.949 0.790 0.86 AZ4 UDEL Eastern US Coastal Plain 07569 OBX-18 36.3762 -75.8266 100-105 bit 30.5 JW2005-053-002 Bivalve Mercenaria THAA GC 2005503 6 0.15 thick sharp edges height 1.012 1.020 0.900 0.776 0.805 0.836 0.535 0.757 0.794 0.960 0.781 0.84 AZ4 UDEL Eastern US Coastal Plain 07569 OBX-18 36.3762 -75.8266 145-150 bit 44.5 JW2005-048-001 Bivalve Ark THAA GC 2005331 1 1 good area 0.964 0.962 0.772 0.913 0.885 0.923 0.918 0.87 AZ4+? UDEL Eastern US Coastal Plain 07569 OBX-18 36.3762 -75.8266 145-150 bit 44.5 JW2005-048-001 Bivalve Ark THAA GC 2005331 1 1 good height 0.901 0.960 0.829 1.228 0.931 ND AZ4+? 2. Summary Genus & Site NamSampled interval, fInterval top, # shells analyzed (if > 1) A/I D/L Ala D/L Asx D/L Glx D/L Leu D/L Phe D/L Pro D/L Val VLPGa AAa VLa Comments AGa A-Zone (Merc VA-Group (Mul A Method MLD-01 29.6-29.9 9.02 Mercenaria Mean 0.275 0.557 0.602 0.245 0.317 0.385 0.409 0.193 0.285 0.580 0.255 14C - >52000 0.424 AZ2 GC 7 sd 0.018 0.029 0.035 0.022 0.032 0.048 0.030 0.016 0.025 0.026 0.024 0.027 cv 6.5% 5.2% 5.9% 9.0% 10.2% 12.4% 7.2% 8.4% 8.6% 4.4% 9.3% 6.3% MLD-01 33.3-33.7 10.15 Mercenaria Mean 0.338 0.639 0.664 0.316 0.374 0.458 0.490 0.238 0.346 0.651 0.306 0.490 AZ2+ GC 4 sd 0.041 0.023 0.045 0.043 0.014 0.015 0.026 0.022 0.018 0.019 0.013 0.044 cv 12.1% 3.6% 6.8% 13.7% 3.7% 3.2% 5.3% 9.1% 5.1% 3.0% 4.4% 8.9% MLD-01 31.5-33 9.6 Mulinia Mean 0.583 0.503 0.285 0.531 0.394 A2 RPLC 4 sd 0.032 0.032 0.028 0.042 0.030 cv 5.4% 6.4% 9.8% 7.9% 7.6% MLD-01 55.0-55.7 16.76 Mercenaria Mean 0.790 0.896 0.827 0.635 0.640 0.761 0.622 0.578 0.653 0.861 0.609 0.731 AZ3.5 GC 4 sd 0.033 0.013 0.038 0.054 0.026 0.020 0.042 0.023 0.020 0.017 0.024 0.035 cv 4.2% 1.5% 4.6% 8.6% 4.1% 2.6% 6.7% 3.9% 3.1% 2.0% 3.9% MLD-01 57.7-58.5 17.59 Mercenaria Mean 1.129 0.967 0.880 0.775 0.789 0.846 0.657 0.749 0.790 0.923 0.769 0.827 AZ4 GC 3 sd 0.216 0.019 0.048 0.113 0.127 0.033 0.114 0.095 0.026 0.120 0.078 MIXED cv 19.2% 2.0% 5.4% 14.6% 16.1% 3.9% 0.0% 15.3% 12.1% 2.8% 15.6% MLD-01 57.7-58.5 17.59 Mulinia Mean 0.859 0.647 0.477 0.753 0.562 B3 GC 3 sd 0.046 0.017 0.026 0.032 0.022 cv 5.4% 2.7% 5.5% 4.2% 3.8% MLD-01 59.4-59.10 18.11 Mercenaria Mean 1.080 0.967 0.874 0.733 0.719 0.852 0.769 0.715 0.755 0.921 0.717 0.804 AZ4 GC 2 sd 0.033 0.025 0.004 0.078 0.075 0.002 0.002 0.068 0.017 0.010 0.004 0.037 cv 3.0% 2.5% 0.5% 10.7% 10.5% 0.3% 0.3% 9.5% 2.3% 1.1% 0.5% 4.6% MLD-01 74.2-74.6 22.62 Mercenaria Mean 1.105 0.940 0.850 0.746 0.760 0.844 0.690 0.751 0.775 0.895 0.755 0.798 AZ4+ GC 6 sd 0.082 0.016 0.035 0.051 0.045 0.014 0.008 0.013 0.015 0.016 0.024 0.041 cv 7.4% 1.7% 4.1% 6.9% 5.9% 1.6% 1.2% 1.7% 1.9% 1.8% 3.2% 5.2% MLD-01 113.4-113.8 34.57 Mulinia Mean 1.028 0.769 0.683 0.879 One sample 0.726 C2 RPLC [3] sd 0.071 0.080 0.039 0.076 excluded from mean 0.035 cv 6.9% 10.4% 5.7% 8.7% 4.8% MLD-01 141.3 43.08 Mercenaria Mean 1.219 0.987 0.922 0.846 0.863 0.923 0.713 0.841 0.868 0.954 0.852 0.884 AZ4+ GC 2 sd 0.033 0.017 0.045 0.055 0.010 0.071 0.003 0.006 0.031 0.004 0.050 cv 2.7% 1.7% 4.8% 6.5% 1.2% 7.7% 0.0% 0.3% 0.7% 3.2% 0.4% 5.6% MLD-02 21.25-23.5 6.48-7.16 Mulinia Mean 0.419 0.446 0.201 0.432 30800 +/- 600 14C yrs. BP 0.323 A1 RPLC 8 sd 0.036 0.014 0.013 0.023 33600 +/- 200 14C yrs BP 0.012 cv 8.5% 3.2% 6.5% 5.2% 3.8% MLD-02 27.45 8.37 Mercenaria 0.289 0.517 0.629 0.274 0.290 0.388 0.355 0.211 0.291 0.573 0.251 38900 +/- 490 14C yrs BP 0.452 AZ2 GC MLD-02 25.9-26.1 7.89 Mulinia Mean 0.832 0.642 0.440 0.737 Large SD 0.541 B2 RPLC 3 sd 0.085 0.045 0.053 0.065 0.049 cv 10.2% 7.0% 12.1% 8.8% 9.0% MLD-02 33.2 10.12 Mulinia Mean 0.661 0.542 0.346 0.601 Altered samples? 0.444 B1? RPLC 2 sd 0.060 0.042 0.060 0.051 D/L's lower than 0.051 cv 9.1% 7.8% 17.5% 8.5% those above 11.6% MLD-02 47.1; 67.6 14.36; 20.61 Mercenaria Mean 1.059 0.973 0.924 0.786 0.837 0.921 0.670 0.769 0.828 0.949 0.803 0.855 AZ4/4+ GC 2 sd 0.085 0.020 0.035 0.046 0.035 0.075 0.046 0.015 0.003 0.007 0.010 0.040 cv 8.1% 2.1% 3.8% 5.8% 4.1% 8.2% 6.9% 2.0% 0.3% 0.8% 1.2% 4.7% MLD-03 54.0-54.3 16.46 Mulinia Mean 0.693 0.572 0.414 0.633 0.493 B2 RPLC 6 sd 0.024 0.019 0.020 0.015 0.019 cv 3.5% 3.2% 4.9% 2.3% 3.8% MLD-03 57.5-57.7 17.53 Mulinia Mean 0.642 0.497 0.356 0.570 0.427 B1 RPLC 3 sd 0.009 0.010 0.010 0.006 0.008 cv 1.4% 2.0% 2.8% 1.1% 1.9% MLD-03 62.3-62.5 18.99 Mulinia Mean 0.743 0.575 0.442 0.659 One sample 0.496 B2 RPLC 4 sd 0.098 0.044 0.010 0.068 excluded from mean 0.046 cv 13.2% 7.6% 2.3% 10.3% 9.2% MLD-03 69.2 -~75 21.09-~21.4 Mercenaria Mean 0.630 0.913 0.792 0.512 0.577 0.718 0.597 0.464 0.567 0.852 0.520 0.652 AZ3 GC 6 sd 0.031 0.043 0.010 0.019 0.059 0.034 0.021 0.019 0.027 0.020 0.036 0.009 cv 4.9% 4.7% 1.3% 3.6% 10.3% 4.8% 3.5% 4.0% 4.8% 2.3% 7.0% 1.4% MLD-03 75.5-75.8 23.01 Mulinia Mean 0.914 0.606 0.439 0.760 0.523 B2 RPLC 3 sd 0.027 0.009 0.022 0.010 0.007 cv 2.9% 1.4% 5.0% 1.3% 1.3% MLD-03 87.6-87.9 26.7 Mercenaria 0.666 0.878 0.718 0.437 0.574 0.735 0.571 0.439 0.547 0.798 0.507 0.578 AZ3+ GC MLD-03 112.6-112.9 34.32 Crassostrea Mean 1.116 0.729 0.537 0.922 0.633 RPLC 4 sd 0.028 0.014 0.041 0.016 0.025 cv 2.5% 1.9% 7.6% 1.7% 3.9% MLD-04 21.9-22.1 6.7 Mercenaria 0.283 0.669 0.702 0.416 0.374 0.448 0.490 0.250 0.372 0.685 0.312 0.559 AZ2+ GC MLD04 22.5-22.7 6.7-6.86 Mulinia Mean 0.463 0.457 0.217 0.460 0.337 A1 RPLC 6 sd 0.062 0.034 0.041 0.047 0.037 cv 13.4% 7.5% 19.1% 10.3% 10.9% MLD-04 33.1-33.3 10.1 Mercenaria 0.368 0.576 0.611 0.256 0.363 0.427 0.436 0.243 0.322 0.594 0.303 0.433 AZ2+ GC MLD04 39.5-39.9 12.04 Mulinia Mean 0.794 0.623 0.378 0.709 0.501 B1 RPLC 3 sd 0.030 0.033 0.049 0.031 0.041 cv 3.8% 5.4% 13.1% 4.4% 8.3% MLD-04 65-67 bag 19.8 Mercenaria Mean 0.820 0.944 0.812 0.623 0.686 0.951 0.675 0.630 0.722 0.878 0.658 0.718 AZ4- GC 2 sd 0.016 0.009 0.027 0.059 0.018 0.093 0.062 0.030 0.006 0.009 0.006 0.043 cv 2.0% 0.9% 3.3% 9.5% 2.6% 9.8% 9.1% 4.7% 0.8% 1.0% 0.9% 6.0% MLD-04 122.5-122.7 37.34 Mercenaria Mean 1.195 1.139 0.963 0.812 0.836 0.996 0.620 0.849 0.873 1.051 0.842 0.887 AZ4+ GC 3 sd 0.037 0.129 0.039 0.135 0.016 0.087 0.037 0.034 0.055 0.084 0.022 0.048 cv 3.1% 11.3% 4.0% 16.6% 1.9% 8.8% 5.9% 4.0% 6.4% 8.0% 2.6% 5.4% MLD-05 36.2-36.5 11.03 Mulinia Mean 0.174 0.398 0.452 0.195 0.175 0.445 0.221 0.117 0.233 0.425 0.146 0.324 A GC 2 sd 0.021 0.066 0.038 0.006 0.035 0.221 0.033 0.010 0.042 0.052 0.023 0.022 cv 12.1% 16.5% 8.5% 3.2% 20.1% 49.8% 15.1% 8.8% 18.2% 12.3% 15.6% 6.9% MLD-05 36.2-36.5 11.03 Mulinia Mean 0.400 0.407 0.198 0.403 0.302 A1 RPLC 4 sd 0.040 0.017 0.010 0.025 0.013 cv 10.0% 4.2% 4.8% 6.3% 4.2% MLD-05 37.85-38.1 11.54 Mulinia Mean 0.457 0.446 0.214 0.451 0.330 A1 RPLC 3 sd 0.014 0.004 0.011 0.007 0.007 cv 3.0% 0.9% 4.9% 1.5% 2.2% MLD-05 52-52.2 15.85 Mulinia Mean 0.564 0.499 0.275 0.532 0.387 A2 RPLC 3 sd 0.018 0.010 0.008 0.014 0.004 cv 3.1% 1.9% 2.8% 2.5% 0.9% MLD-05 54.6-54.8 16.64 Mercenaria 0.282 0.591 0.632 0.296 0.296 0.400 0.358 0.224 0.304 0.611 0.260 0.464 AZ2 GC MLD-05 54.6-54.8 16.64 Mulinia Mean 0.545 0.500 0.258 0.522 0.379 A2 RPLC 2 sd 0.004 0.025 0.035 0.011 0.005 cv 0.6% 5.0% 13.5% 2.0% 1.3% MLD-05 65.9-66.2 20.09 Mulinia Mean 0.675 0.520 0.328 0.597 Mixed ages? 0.424 A2 & B1? RPLC 4 sd 0.081 0.023 0.030 0.043 0.021 cv 12.0% 4.4% 9.3% 7.2% 4.9% MLD-05 69.4-69.8 21.15 Mulinia Mean 0.714 0.530 0.349 0.622 0.440 A2 & B1? RPLC 4 sd 0.094 0.035 0.043 0.061 0.037 cv 13.1% 6.7% 12.2% 9.7% 8.4% MLD-05 75.1-75.3 22.89 Mulinia Mean 0.691 0.494 0.309 0.593 0.402 A2 & B1? RPLC 3 sd 0.068 0.044 0.043 0.054 0.043 cv 9.8% 8.9% 13.9% 9.1% 10.8% MLD-05 75.1-75.3 22.89 Mercenaria Mean 0.863 0.662 0.403 0.762 with GC results for 0.532 AZ3- GC 2 sd 0.088 0.053 0.047 0.070 JW2005-119 0.050 cv 10.2% 8.0% 11.6% 9.2% 9.4% MLD-05 80.3-80.8 24.48 Mercenaria 0.462 0.751 0.744 0.396 0.453 0.544 0.505 0.350 0.436 0.748 0.401 0.570 AZ3- GC MLD-05 101.7 31 Mercenaria 0.659 0.932 0.805 0.556 0.643 0.786 0.618 0.500 0.621 0.868 0.572 0.680 AZ3.5 GC MLD-05 110 33.5 Mercenaria 0.873 1.046 0.886 0.675 0.830 0.671 0.600 0.966 0.637 ND AZ3.5 GC MLD-05 110.6-110.9 33.71 Mercenaria 0.996 0.945 0.930 0.786 0.706 0.780 0.630 0.718 0.748 0.938 0.712 Reworked? 0.858 AZ4- GC MLD-05 239.7 73.08 Mercenaria 1.180 1.072 0.925 0.795 0.890 0.944 0.818 0.856 0.871 0.998 0.873 0.860 AZ4+ GC MLD-05 250.0-250.1 76.2 Mercenaria 1.003 0.977 0.855 0.798 0.774 0.876 0.729 0.692 0.785 0.916 0.733 0.826 AZ4 GC MLD-06 36.6 11.16 Mulinia Mean 0.800 0.646 0.440 0.723 0.543 B2 RPLC 5 sd 0.025 0.022 0.071 0.019 0.046 cv 3.1% 3.4% 16.0% 2.7% 8.5% MLD-06 44.7-44.9 13.62 Mercenaria Mean 1.025 0.943 0.858 0.721 0.805 0.837 0.691 0.717 0.770 0.900 0.761 0.789 AZ4 GC 2 sd 0.020 0.008 0.035 0.043 0.027 0.002 0.051 0.019 0.023 0.022 0.023 0.039 cv 1.0% 0.9% 4.1% 5.9% 3.3% 0.2% 7.4% 2.6% 2.9% 2.4% 3.0% 4.9% MLD-06 45.9-46.0 13.99 Mulinia Mean 0.833 0.619 0.404 0.726 0.511 B2 RPLC 4 sd 0.057 0.023 0.062 0.037 0.038 cv 6.9% 3.7% 15.3% 5.1% 7.5% MLD-06 75.8-76.0 23.1 Mulinia Mean 0.813 0.603 0.391 0.708 0.497 B2 RPLC 5 sd 0.041 0.012 0.042 0.022 0.025 cv 5.0% 2.0% 10.7% 3.2% 5.1% MLD-07 24.1-24.5 7.35 Mulinia Mean 0.554 0.439 0.252 0.496 0.345 A1 RPLC 4 sd 0.037 0.010 0.011 0.019 0.004 cv 6.6% 2.3% 4.3% 3.8% 1.3% MLD-09 55.0-55.3 16.76 Mercenaria Mean 1.289 0.944 0.893 0.820 0.833 0.906 0.765 0.831 0.847 0.918 0.832 0.856 AZ4+ GC 2 sd 0.016 0.000 0.003 0.015 0.061 0.014 0.002 0.008 0.013 0.001 0.026 0.006 cv 1.2% 0.0% 0.3% 1.8% 7.3% 1.5% 0.2% 1.0% 1.5% 0.2% 3.2% 0.7% MLD-10 40.8 12.43 Mercenaria Mean 1.189 0.949 0.903 0.730 0.847 1.007 0.656 0.817 0.818 0.926 0.834 0.816 AZ4+ GC 3 sd 0.061 0.030 0.013 0.126 0.033 0.198 0.027 0.016 0.059 0.019 0.026 0.069 cv 5.1% 3.2% 1.5% 17.3% 3.9% 19.7% 4.1% 1.9% 7.2% 2.0% 3.1% 8.4% OBX-01 32.9 10.03 Mercenaria 0.715 0.825 0.759 0.518 0.536 0.628 0.432 0.529 0.792 0.484 Pleistocene shell in Holocene 0.639 AZ3+ GC OBX-01 32.9 10.03 Mercenaria 0.541 0.736 0.668 0.391 0.441 0.501 0.343 0.419 0.702 0.392 Pleistocene shell in Holocene 0.529 AZ3- GC OBX-05 134.5-134.8 41 Mercenaria 0.961 0.781 0.708 0.772 0.837 0.732 0.762 0.871 0.752 0.744 AZ4 GC OBX-07 23.6 7.19 Mercenaria 0.087 0.897 0.393 0.145 0.266 0.184 0.162 0.081 0.169 0.645 0.174 0.269 H GC OBX-07 21.9 6.68 Mercenaria 0.287 0.448 0.524 0.229 0.291 0.379 0.187 0.271 0.486 0.239 8180 +/- 35 14C yrs BP 0.377 H GC OBX-07 27.6 8.41 Mercenaria 0.207 0.401 0.482 0.193 0.219 0.295 0.137 0.211 0.442 0.178 6230 +/- 45 14C yrs BP 0.338 H GC OBX-07 103.6 31.59 Mercenaria Mean 0.587 0.843 0.661 0.465 0.537 0.667 0.655 0.450 0.530 0.752 0.494 0.563 AZ3+ GC 3 sd 0.001 0.022 0.026 0.014 0.029 0.005 0.038 0.015 0.002 0.033 0.020 cv 0.2% 2.6% 4.0% 3.1% 5.5% 0.8% 0.0% 8.4% 2.7% 0.3% 6.8% 3.6% OBX-08 68.6 20.91 Mulinia Mean 0.145 0.345 0.495 0.185 0.171 0.218 0.198 0.096 0.172 0.420 0.133 0.341 A GC 3 sd 0.004 0.028 0.007 0.027 0.021 0.011 0.015 0.009 0.014 0.011 0.014 0.017 cv 3.0% 8.0% 1.3% 14.6% 12.5% 5.1% 7.5% 9.5% 8.2% 2.6% 10.8% 5.0% OBX-08 70 21.34 Mercenaria 0.294 0.582 0.626 0.314 0.323 0.400 0.381 0.219 0.314 0.608 0.271 One shell with low D/L 0.470 AZ2 GC OBX-08 70 21.34 Mercenaria ND 0.686 0.632 0.346 0.409 0.456 ND 0.307 0.381 0.650 0.359 Reworked? 0.49 AZ2+ OBX-08 70 21.34 Mulinia Mean 0.171 0.367 0.568 0.213 0.182 0.239 0.226 0.104 0.185 0.468 0.143 0.391 A GC 2 sd 0.003 0.002 0.003 0.001 0.005 0.002 0.000 0.001 cv 1.8% 0.4% 0.0% 1.6% 0.7% 2.0% 0.0% 2.3% 0.1% 0.0% 0.4% OBX-08 114.2 34.82 Mercenaria 0.883 0.669 0.470 0.579 0.598 0.425 0.518 0.776 0.502 0.570 AZ3+ GC OBX-10 29.7 9.05 Mercenaria 0.105 0.277 0.460 0.167 0.152 0.196 0.198 0.089 0.151 0.368 0.120 0.313 H GC OBX-10 65.6-66 20 - 20.1 Mercenaria Mean 0.387 0.622 0.699 0.389 0.404 0.521 0.492 0.270 0.396 0.661 0.337 0.544 AZ2+ GC 5 sd 0.020 0.060 0.065 0.096 0.030 0.068 0.045 0.024 0.050 0.050 0.024 0.063 cv 5.3% 9.6% 9.3% 24.7% 7.3% 13.1% 9.2% 9.0% 12.6% 7.6% 7.2% 11.6% OBX-10 73.95-74.1 22.55 Mercenaria 0.415 0.667 0.718 0.320 0.412 0.520 0.445 0.260 0.378 0.692 0.336 0.686 AZ2+ GC OBX-10 122.5-122.7 37.35 Mercenaria 0.548 0.877 0.817 0.473 0.570 0.639 0.538 0.410 0.523 0.847 0.490 0.645 AZ3+ GC OBX-10 127.8-128.4 38.96 Mercenaria 0.615 0.872 0.805 0.534 0.540 0.666 0.510 0.479 0.555 0.838 0.510 0.669 AZ3+ GC OBX-11 28.5-29.1 8.69 Mercenaria 0.044 0.123 0.391 0.112 0.064 0.092 0.264 0.033 0.075 0.257 0.048 0.252 H GC OBX-11 28.5-29.1 8.69 Mercenaria 0.042 0.127 0.410 0.144 0.063 0.103 0.098 0.034 0.086 0.268 0.049 0.277 H GC OBX-11 32.0-32.9 9.76 Mercenaria 0.123 0.276 0.463 0.164 0.169 0.251 0.237 0.105 0.172 0.370 0.137 0.314 H GC OBX-11 32.0-32.9 9.76 Mercenaria 0.080 0.228 0.446 0.170 0.118 0.179 0.168 0.072 0.135 0.337 0.095 0.308 H GC OBX-11 73.8 22.5 Mercenaria Mean 0.421 0.640 0.740 0.413 0.485 0.565 0.567 0.308 0.443 0.690 0.397 0.576 AZ3- GC 5 sd 0.027 0.013 0.073 0.056 0.019 0.042 0.024 0.019 0.027 0.041 0.018 0.064 cv 6.4% 2.0% 9.9% 13.7% 3.8% 7.4% 4.2% 6.1% 6.0% 5.9% 4.6% 11.1% OBX-11 88.7-89.2 27.05 Mulinia Mean 0.547 0.499 0.278 0.523 0.388 A2 RPLC 11 sd 0.030 0.023 0.014 0.020 0.015 cv 5.5% 4.7% 5.0% 3.9% 4.0% OBX-11 90.4-90.7 27.56 Mercenaria Mean 0.425 0.740 0.692 0.423 0.437 0.587 0.610 0.335 0.445 0.716 0.386 0.557 AZ3- GC 2 sd 0.069 0.048 0.060 0.043 0.038 0.037 #DIV/0! 0.045 0.001 0.054 0.042 0.051 cv 16.2% 6.4% 8.7% 10.1% 8.8% 6.3% #DIV/0! 13.6% 0.2% 7.5% 10.9% 9.2% OBX-11 103.2-103.4 31.46 Mulinia Mean 0.765 0.559 0.370 0.662 0.465 B1 RPLC 3 sd 0.072 0.004 0.007 0.037 0.003 cv 9.4% 0.7% 1.9% 5.6% 0.6% OBX-11 177.7-178.3 54.17 Mercenaria Mean 1.132 0.979 0.867 0.766 0.815 0.905 0.749 0.801 0.822 0.923 0.808 0.817 AZ4+ GC 3 sd 0.093 0.030 0.029 0.031 0.013 0.023 0.014 0.007 0.025 0.006 0.030 cv 8.2% 3.1% 3.4% 4.0% 1.6% 2.6% 0.0% 1.8% 0.9% 2.7% 0.7% 3.7% OBX-11 177.7-178.3 54.17 Mercenaria Mean 1.086 0.826 0.706 0.956 0.766 AZ4+ GC 2 sd 0.010 0.007 0.029 0.008 0.018 cv 0.9% 0.9% 4.1% 0.9% 2.4% OBX-12 58.8-59.2 17.93 Mercenaria 0.263 0.609 0.594 0.271 0.270 0.360 0.333 0.185 0.272 0.602 0.228 43200 +/ 480 14C yrs BP 0.433 AZ2 GC OBX-12 67.15-67.5 20.47 Mulinia Mean 0.263 0.504 0.580 0.314 0.252 0.393 0.313 0.177 0.284 0.542 0.215 0.447 A GC 2 sd 0.067 0.065 0.022 0.066 0.049 0.100 0.080 0.043 0.065 0.043 0.046 0.044 cv 25.3% 12.9% 3.7% 21.1% 19.5% 25.4% 25.7% 24.4% 22.8% 8.0% 21.6% 9.8% OBX-13 38.8 11.83 Mercenaria Mean 0.355 0.724 0.630 0.293 0.391 0.479 0.481 0.274 0.359 0.655 0.332 0.461 AZ2+ GC 2 sd 0.016 0.061 0.003 0.048 0.042 0.094 0.017 0.026 0.033 0.029 cv 4.6% 0.0% 9.7% 1.1% 12.4% 8.7% 19.5% 6.1% 7.2% 0.0% 9.8% 6.3% OBX-13 38.8 11.83 Mulinia 0.177 0.442 0.514 0.213 0.214 0.269 0.245 0.108 0.201 0.478 0.161 0.363 A GC OBX-13 53.2 16.22 Mercenaria 0.365 0.667 0.628 0.320 0.408 0.452 0.469 0.272 0.363 0.647 0.340 0.474 AZ2+ GC OBX-13 53.2 16.22 Mulinia 0.166 0.391 0.506 0.215 0.171 0.247 0.211 0.109 0.186 0.448 0.140 0.361 A GC OBX-13 53.85 16.42 Mercenaria 0.360 0.665 0.640 0.326 0.418 0.457 0.473 0.277 0.369 0.653 0.347 0.483 AZ2+ GC OBX-13 54.1 16.49 Mercenaria 0.322 0.608 0.657 0.321 0.390 0.448 0.545 0.244 0.351 0.633 0.317 0.489 AZ2+ GC OBX-13 62.4 19.02 Mercenaria Mean 0.395 0.663 0.618 0.334 0.390 0.461 0.274 0.365 0.640 0.332 0.476 AZ2+ GC 4 sd 0.058 0.035 0.029 0.041 0.045 0.037 0.033 0.037 0.032 0.038 0.034 cv 14.8% 5.4% 4.6% 12.3% 11.5% 8.1% #DIV/0! 11.9% 10.0% 5.0% 11.5% 7.1% OBX-14 73.6 22.44 Mercenaria Mean 0.099 0.237 0.512 0.172 0.146 0.172 0.207 0.084 0.140 0.375 0.108 6330 +/- 40 14C yrs BP 0.342 H GC 4 sd 0.038 0.077 0.059 0.043 0.056 0.045 0.099 0.034 0.043 0.052 0.045 6340 +/- 30 14C yrs BP 0.050 cv 38.5% 32.5% 11.5% 24.9% 38.6% 26.1% 48.1% 40.8% 30.4% 13.8% 41.4% 14.6% OBX-14 117.5 35.82 Mercenaria Mean 1.113 0.973 0.874 0.746 0.783 0.878 0.736 0.798 0.801 0.924 0.791 0.810 AZ4+ GC 2 sd 0.055 0.060 0.056 0.000 0.066 0.000 0.032 0.055 0.030 0.002 0.060 0.028 cv 5.0% 6.1% 6.4% 0.0% 8.4% 0.0% 4.3% 6.8% 3.7% 0.2% 7.6% 3.4% OBX-15 51.4 15.67 Mercenaria 0.228 0.545 0.555 0.215 0.287 0.339 0.311 0.148 0.247 0.550 0.217 29700 +/- 200 14C yrs BP 0.385 AZ2 GC OBX-15 73.4 22.38 Mercenaria 0.615 0.843 0.773 0.512 0.591 0.643 0.584 0.450 0.549 0.808 0.520 0.642 AZ3+ GC OBX-15 73.8 22.56 Mulinia Mean 0.656 0.538 0.282 0.597 0.410 A2 RPLC 4 sd 0.011 0.021 0.023 0.005 0.001 cv 1.7% 3.9% 8.0% 0.8% 0.2% OBX-15 74.3 22.65 Mercenaria Mean 0.328 0.550 0.613 0.275 0.370 0.385 0.436 0.217 0.312 0.581 0.293 Whole shell 0.444 AZ2 GC 3 sd 0.052 0.015 0.057 0.019 0.013 0.014 0.004 0.024 0.009 0.025 0.009 32200 +/- 190 14C yrs BP 0.035 cv 16.0% 2.7% 9.3% 7.0% 3.5% 3.7% 1.0% 11.3% 2.8% 4.3% 3.1% 8.0% OBX-15 74.3 22.65 Mercenaria Mean 0.694 0.861 0.816 0.543 0.669 0.698 0.653 0.472 0.595 0.839 0.570 Reworked fragments 0.680 [AZ3.5] GC 8 sd 0.061 0.023 0.048 0.033 0.030 0.018 0.035 0.013 0.019 0.024 0.017 0.039 cv 8.8% 2.7% 5.9% 6.1% 4.4% 2.6% 5.3% 2.7% 3.2% 2.9% 3.0% 5.8% OBX-15 91.3 27.83 Mulinia Mean 0.928 0.649 0.496 0.788 0.573 B3 RPLC 5 sd 0.017 0.011 0.035 0.009 0.015 cv 1.9% 1.7% 7.1% 1.1% 2.7% OBX-15 103.35 31.51 Mercenaria Mean 0.968 0.966 0.851 0.618 0.779 0.875 0.747 0.670 0.735 0.908 0.725 0.734 AZ4 GC 3 sd 0.038 0.022 0.018 0.031 0.021 0.018 0.022 0.022 0.022 0.011 0.021 0.024 cv 3.9% 2.3% 2.1% 5.0% 2.7% 2.1% 3.0% 3.3% 3.0% 1.2% 2.9% 3.3% OBX-15 109-123.6 33.4-37.6 Mulinia Mean 0.987 0.730 0.594 0.859 0.662 C1 RPLC 9 sd 0.055 0.039 0.050 0.045 0.043 cv 5.6% 5.3% 8.4% 5.3% 6.5% OBX-15 130.35 39.73 Mercenaria Mean 1.111 0.908 0.807 1.009 0.857 AZ4 RPLC 6 sd 0.018 0.016 0.066 0.016 0.040 cv 1.6% 1.7% 8.2% 1.6% 4.7% OBX-16 29.2 8.9 Mercenaria 0.257 0.407 0.691 0.324 0.279 0.326 0.376 0.170 0.275 0.549 0.225 0.508 AZ2 GC OBX-16 86.9-99.5 26.5-30.3 Mulinia Mean 0.929 0.662 0.509 0.795 See App A 0.586 B3 RPLC 11 sd 0.072 0.012 0.035 0.038 Samples from this 0.019 cv 7.7% 1.8% 6.9% 4.8% interval grouped 3.3% OBX-16 148.1 45.1 Mulinia Mean 0.959 0.704 0.578 0.831 0.641 C1 RPLC 4 sd 0.041 0.008 0.036 0.024 0.022 cv 4.3% 1.1% 6.2% 2.9% 3.4% OBX-17 50.1 15.27 Mulinia & Spisula Mean 0.503 0.453 0.221 0.478 0.337 A1 RPLC 6 sd 0.055 0.041 0.021 0.045 0.027 cv 11.0% 9.0% 9.7% 9.4% 0.080 OBX-17 50.1 15.27 Mercenaria 0.480 0.588 0.174 0.534 0.381 AZ2 RPLC OBX-17 61.3 18.68 Mulinia Mean 0.456 0.423 0.215 0.439 0.319 A1 RPLC 6 sd 0.071 0.023 0.043 0.046 0.032 cv 15.6% 5.4% 19.9% 10.5% 10.0% OBX-17 61.3 18.68 Mercenaria 0.599 0.501 0.199 0.550 0.350 AZ2 RPLC OBX-17 67.7 20.64 Mulinia 0.413 0.404 0.197 0.301 A1 RPLC 1 OBX-17 69.6-70 21.22-21.34 Mercenaria Mean 0.306 0.642 0.636 0.280 0.325 0.396 0.329 0.216 0.304 0.639 0.270 0.458 AZ2 GC 7 sd 0.028 0.012 0.064 0.045 0.012 0.022 0.006 0.016 0.022 0.032 0.014 0.054 cv 9.2% 1.9% 10.0% 15.9% 3.8% 5.5% 1.7% 7.6% 7.2% 5.0% 5.3% 11.8% OBX-17 79.2 24.15 Mulinia Mean 0.518 0.486 0.273 0.502 0.380 A2 RPLC 6 sd 0.040 0.024 0.019 0.031 0.021 cv 7.7% 4.9% 7.0% 6.2% 5.5% OBX-17 81.55 24.86 Mulinia Mean 0.464 0.481 0.233 0.473 0.357 A2 RPLC 4 sd 0.053 0.029 0.023 0.041 0.026 cv 11.5% 5.9% 10.0% 8.6% 7.3% OBX-17 105.05 32.03 Mulinia Mean 0.781 0.606 0.381 0.694 0.494 B1 RPLC 4 sd 0.032 0.034 0.009 0.026 0.017 cv 4.1% 5.5% 2.5% 3.7% 3.5% OBX-17 136.4 41.58 Mulinia Mean 0.995 0.723 0.589 0.859 0.656 C1 RPLC 6 sd 0.065 0.019 0.048 0.042 0.034 cv 6.5% 2.7% 8.1% 4.9% 5.1% OBX-17 164.8 50.23 Mulinia Mean 1.046 0.792 0.700 0.919 0.746 C2 RPLC 3 sd 0.050 0.045 0.076 0.047 0.060 cv 4.8% 5.6% 10.8% 5.2% 8.1% OBX-18 87-150 27-45 Mercenaria Mean 0.985 0.978 0.913 0.764 0.775 0.886 0.713 0.734 0.790 0.949 0.755 0.839 AZ4 GC 3 sd 0.051 0.023 0.033 0.038 0.025 0.097 0.038 0.017 0.031 0.023 cv 0.052 0.025 0.043 0.049 0.028 0.137 0.051 0.022 0.041 0.028 a VLPG = mean of valine, leucine, phenylalanine, and glutamic acid D/L values a AA = mean of aspartic acid and alanine D/L values a VL = mean of valine and leucine D/L values a AG = mean of aspartic acid and glutamic acid D/L values