Equatorial Pacific Sediment Composition and Radionuclide Data ----------------------------------------------------------------------- World Data Center for Paleoclimatology, Boulder and NOAA Paleoclimatology Program ----------------------------------------------------------------------- NOTE: PLEASE CITE ORIGINAL REFERENCE WHEN USING THIS DATA!!!!! NAME OF DATA SET: Equatorial Pacific Sediment Composition and Radionuclide Data LAST UPDATE: 9/2008 (Original receipt by WDC Paleo) CONTRIBUTOR: Louisa I. Bradtmiller, LDEO/Columbia University IGBP PAGES/WDCA CONTRIBUTION SERIES NUMBER: 2008-092 WDC PALEO CONTRIBUTION SERIES CITATION: Bradtmiller, L.I., et al.. 2008. Equatorial Pacific Sediment Composition and Radionuclide Data. IGBP PAGES/World Data Center for Paleoclimatology Data Contribution Series # 2008-092. NOAA/NCDC Paleoclimatology Program, Boulder CO, USA. ORIGINAL REFERENCE: Bradtmiller, L.I., R.F. Anderson, M.Q. Fleisher, and L.H. Burckle. 2006. Diatom productivity in the equatorial Pacific Ocean from the last glacial period to the present: A test of the silicic acid leakage hypothesis. Paleoceanography, 21, PA4201, doi:10.1029/2006PA001282. ABSTRACT: The silicic acid leakage hypothesis (SALH) suggests that during glacial periods, unused silicic acid escaped the Southern Ocean into the equatorial oceans, causing an ecological shift favoring diatoms relative to coccolithophorids and a drawdown of CO2. The 230Th normalized opal fluxes and 231Pa/230Th ratios were measured in eleven equatorial Pacific cores to reconstruct diatom productivity over the past 30 kyr and to test the SALH. Holocene spatial patterns of opal flux are strongly correlated with 231Pa/230Th ratios and with satellite estimates of primary productivity. Down-core opal flux records do not support the SALH but show Holocene opal burial to exceed that of the late glacial period by 35%, or 2.8 Gt opal/kyr, across the equatorial Pacific. This suggests that the SALH may not account for lower atmospheric CO2 levels during the late glacial. However, the data do support results from previous studies that invoke increased El Nino–like conditions during this time. GEOGRAPHIC REGION: Equatorial Pacific PERIOD OF RECORD: Last Glacial Maximum/Holocene, ~25KYrBP - present FUNDING SOURCES: US National Science Foundation grant OCE03-26969 (to R.F.A.). DESCRIPTION: Equatorial Pacific sediment composition and radionuclide data. Core locations: Core Latitude Longitude Water Depth (m) V19-30 3.383°S 83.517°W 3091m. V21-40 5.517°S 106.767°W 3182m. RC13-140 2.867°N 87.75°W 2246m. RC11-238 1.517°S 85.817°W 2573m. TT013-72 0.11°N 139.4°W 4298m. TT013-18 1.84°S 139.71°W 4354m. RC13-114 1.65°S 103.63°W 3436m. V28-203 0.95°N 179.4167°W 3243m. RC17-177 1.45°N 159.45°E 2600m. MD97-2138 1.25°S 146.24°E 1900m. MW91-BC36 0.14°S 158.57°E 2311m. MW91-9GGC48 0°S 161°E 3400m. MW91-9BC51 0°S 161°E 3430m. See Bradtmiller et al. 2006 for a description of age models and references. EXPLANATION OF DERIVED PARAMETERS: xs230Th and xs231Pa xs230Th and xs231Pa refer to the measured value as corrected for ingrowth of 230Th (or 231Pa) from sedimentary and detrital uranium. These values are calculated using measured concentrations of 230Th (and 231Pa), 232Th and 238U, and assuming that all 232Th is detrital in nature. It also assumes a detrital U/Th ratio, which varies by region. 231Pa/230Thxs,0 The initial xs231Pa/xs230Th ratio refers to the ratio of xs230Th and xs231Pa after both have been decay corrected using their respective half-lives. 230Th normalized mass flux For a discussion of this proxy and the relevant corrections and parameters, please see: Francois, R., M. Frank, M. M. R. van der Loeff, and M. P. Bacon (2004), Th-230 normalization: An essential tool for interpreting sedimentary fluxes during the late Quaternary, Paleoceanography, 19(1), 10.1029/2003PA00939. DATA: 1. Core v19-30 Radionuclide Data Column 1: Depth (cm) Column 2: % CaCO3 Column 3: % Opal Column 4: 232Th (dpm/g) Column 5: 232Th error Column 6: 230Th (dpm/g) Column 7: 230Th error Column 8: 238U (dpm/g) Column 9: 238U error Column 10: 234U (dpm/g) Column 11: 234U error Column 12: 231Pa (dpm/g) Column 13: 231Pa error Column 14: Assigned age (ka) Column 15: xs230Th (dpm/g) Column 16: xs231Pa (dpm/g) Column 17: 231Pa/230Thxs,0 Column 18: 230Th-normalized mass flux (g/cm^2/ka) Depth %CaCO3 %Opal 232Th ± 230Th ± 238U ± 234U ± 231Pa ± Age xs230Th xs231Pa 231Pa/230Th Flux 0 24.29 19.57 0.7036 0.0185 6.3554 0.1278 2.6283 0.0532 2.5897 0.0470 1.2717 0.0171 0 5.8628 1.2491 0.2130 1.3866 20 32.72 18.81 0.6405 0.0081 6.5949 0.1344 4.4552 0.0637 4.4676 0.0725 1.2391 0.0184 3.78 6.2026 1.2042 0.2104 1.3106 30 37.92 15.61 0.5837 0.0089 6.0870 0.0819 2.5109 0.0257 2.5720 0.0666 1.1412 0.0151 5.66 5.8543 1.1114 0.2142 1.3886 40 45.29 14.33 0.4933 0.0051 5.5377 0.1019 4.1497 0.0528 4.2352 0.0581 0.9489 0.0137 6.95 5.2493 0.9089 0.2008 1.5487 49 46.65 15.67 0.4356 0.0140 4.9074 0.1027 4.5628 0.0521 4.8140 0.1630 0.8345 0.0161 7.96 4.5838 0.7899 0.2042 1.7735 69 36.5 19.7 0.4635 0.0063 4.7584 0.1852 4.4128 0.0481 4.6280 0.0546 0.8711 0.0086 10.16 4.4124 0.8196 0.2307 1.8424 90 35.59 18.5 0.5001 0.0053 4.7386 0.0664 5.1649 0.0593 5.3499 0.1634 0.7648 0.0161 12.32 4.2575 0.6975 0.2131 1.9094 101 30.85 18.08 0.6298 0.0073 4.8888 0.0799 5.3826 0.0603 5.6170 0.0887 0.7404 0.0154 13.51 4.2924 0.6633 0.2061 1.8939 109 32.52 17.61 0.6212 0.0073 4.6309 0.0768 4.8821 0.0594 5.1270 0.0836 0.6995 0.0087 14.28 4.0748 0.6257 0.2082 1.9950 119 39.94 14.25 0.5961 0.0123 4.6838 0.1087 5.1570 0.0609 5.3716 0.0951 0.6671 0.0131 15.24 4.0971 0.5874 0.1984 1.9842 130 44.97 12.11 0.5470 0.0056 4.7568 0.0718 4.5663 0.0613 4.7760 0.0987 0.6077 0.0087 16.11 4.3126 0.5342 0.1746 1.8850 133 44.8 0.5871 0.0085 4.9661 0.1079 3.8097 0.0386 3.9712 0.0621 0.6268 0.0084 16.35 4.6675 0.5618 0.1706 1.7417 139 44.39 12.62 0.5648 0.0091 4.9457 0.1397 4.2128 0.0438 4.4380 0.0608 0.6223 0.0099 16.83 4.5856 0.5511 0.1721 1.7728 146 47.33 10.74 0.5635 0.0081 4.7520 0.0543 4.8182 0.0657 5.0994 0.1534 0.5704 0.0123 17.38 4.2410 0.4892 0.1671 1.9168 160 44.9 11.12 0.5671 0.0065 5.0571 0.0517 4.2615 0.0612 4.5630 0.0910 0.6095 0.0128 18.5 4.7099 0.5333 0.1680 1.7260 172 43.32 10.92 0.5407 0.0080 4.9944 0.1029 4.4923 0.0709 4.7506 0.0898 0.6227 0.0089 19.45 4.6044 0.5411 0.1779 1.7656 183 46.17 10.69 0.4544 0.0086 4.7798 0.1416 5.4029 0.0808 5.9472 0.2082 0.5930 0.0345 20.33 4.1906 0.4961 0.1826 1.9399 199 45.49 13.04 0.4483 0.0098 4.2782 0.1203 5.1505 0.0588 5.4990 0.0686 0.5294 0.0118 21.6 3.6275 0.4329 0.1891 2.2410 2. Core v21-40 Radionuclide Data Column 1: Depth (cm) Column 2: % CaCO3 Column 3: % Opal Column 4: 232Th (dpm/g) Column 5: 232Th error Column 6: 230Th (dpm/g) Column 7: 230Th error Column 8: 238U (dpm/g) Column 9: 238U error Column 10: 234U (dpm/g) Column 11: 234U error Column 12: 231Pa (dpm/g) Column 13: 231Pa error Column 14: Assigned age (ka) Column 15: xs230Th (dpm/g) Column 16: xs231Pa (dpm/g) Column 17: 231Pa/230Thxs,0 Column 18: 230Th-normalized mass flux (g/cm^2/ka) Depth %CaCO3 %Opal 232Th ± 230Th ± 238U ± 234U ± 231Pa ± Age xs230Th xs231Pa 231Pa/230Th Flux 13 73.69 12.93 0.0177 0.0004 10.1256 0.2635 0.1573 0.0022 0.1696 0.0149 1.55 0.024 4.6 10.1064 1.5490 0.1620 0.7939 17 72.07 14.54 0.0190 0.0032 10.9724 0.2135 0.1885 0.0024 0.1805 0.0120 1.755 0.027 5.3 10.9497 1.7531 0.1707 0.7279 23 71.69 13.33 0.0174 0.0008 11.2594 0.3067 0.1971 0.0030 0.2057 0.0039 1.745 0.027 6.4 11.2352 1.7431 0.1676 0.7024 27 70.28 12.37 0.0152 0.0017 11.0736 0.2091 0.2367 0.0026 0.2423 0.0184 1.721 0.023 7.1 11.0467 1.7193 0.1696 0.7097 42 69.99 11.24 0.0282 0.0006 12.1218 0.5731 0.1883 0.0044 0.2516 0.0108 1.879 0.038 9.8 12.0856 1.8764 0.1748 0.6328 52 64.34 11.61 0.0485 0.0012 12.1243 0.3619 0.2601 0.0031 0.2530 0.0268 1.821 0.03 11.7 12.0639 1.8174 0.1737 0.6225 56 70.16 9.83 0.0466 0.0014 10.7623 0.3101 0.1774 0.0036 0.1880 0.0182 1.494 0.024 12.8 10.7112 1.4907 0.1626 0.6941 66 76.1 6.92 0.0712 0.0008 11.0557 0.1230 0.1385 0.0017 0.1453 0.0047 1.201 0.016 15.6 10.9924 1.1974 0.1315 0.6595 81 77.99 6.59 0.0584 0.0006 9.1185 0.1128 0.0575 0.0007 0.0694 0.0081 0.858 0.014 19.5 9.0745 0.8561 0.1195 0.7705 92 71.52 7.63 0.0624 0.0016 9.4632 0.2159 0.1959 0.0031 0.1990 0.0143 0.844 0.016 21.9 9.3880 0.8396 0.1166 0.7286 97 74.66 7.92 0.0625 0.0009 9.6506 0.2722 0.3620 0.0042 0.4595 0.0133 0.867 0.01 23.0 9.5379 0.8595 0.1190 0.7100 107 80.38 7.17 0.0571 0.0008 8.9377 0.2753 0.8720 0.0156 1.0385 0.0387 0.786 0.009 25.1 8.7025 0.7684 0.1197 0.7628 3. Core RC13-140 Radionuclide Data Column 1: Depth (cm) Column 2: % CaCO3 Column 3: % Opal Column 4: 232Th (dpm/g) Column 5: 232Th error Column 6: 230Th (dpm/g) Column 7: 230Th error Column 8: 238U (dpm/g) Column 9: 238U error Column 10: 234U (dpm/g) Column 11: 234U error Column 12: 231Pa (dpm/g) Column 13: 231Pa error Column 14: Assigned age (ka) Column 15: xs230Th (dpm/g) Column 16: xs231Pa (dpm/g) Column 17: 231Pa/230Thxs,0 Column 18: 230Th-normalized mass flux (g/cm^2/ka) Depth %CaCO3 %Opal 232Th ± 230Th ± 238U ± 234U ± 231Pa ± Age xs230Th xs231Pa 231Pa/230Th Flux 1 75.97 5.72 0.1190 0.0030 5.3241 0.2014 0.3242 0.0038 0.3104 0.0225 0.6663 0.0124 1.5 5.2371 0.6622 0.1287 1.1128 6 78.24 5.87 0.0982 0.0011 4.4377 0.1534 0.2087 0.0051 0.2063 0.0117 0.5583 0.0198 2.5 4.3653 0.5548 0.1310 1.3226 12 78.56 5.47 0.1181 0.0026 5.2929 0.0819 0.2413 0.0051 0.2492 0.0061 0.6757 0.0170 3.7 5.2042 0.6713 0.1349 1.0970 21 80.51 5.05 0.1107 0.0035 4.8599 0.1326 0.2251 0.0031 0.2321 0.0262 0.6212 0.0100 5.5 4.7740 0.6169 0.1382 1.1758 43 76.3 5.22 0.1289 0.0036 4.2636 0.1768 2.4285 0.0451 2.6422 0.0340 0.5341 0.0115 10.0 3.9387 0.5092 0.1460 1.3675 53 73.03 6 0.2101 0.0028 5.0018 0.1684 4.3312 0.0498 4.6828 0.0831 0.6333 0.0167 11.9 4.3592 0.5833 0.1546 1.2140 62 74.77 4.29 0.2333 0.0058 4.7683 0.1227 4.9910 0.0703 5.1507 0.0582 0.5798 0.0179 13.4 3.9677 0.5172 0.1533 1.3160 84 79.7 3.62 0.1316 0.0037 4.1279 0.1027 4.4142 0.0578 4.5305 0.0958 0.4389 0.0107 17.0 3.3251 0.3744 0.1382 1.5195 96 77.32 2.23 0.1449 0.0124 4.5763 0.0972 3.4391 0.0940 3.7595 0.1756 0.9749 0.0276 18.9 3.8685 0.9193 0.2988 1.2829 107 77.91 5.12 0.1336 0.0021 4.7046 0.1224 4.3098 0.0814 4.5335 0.1653 0.4883 0.0092 20.5 3.7853 0.4152 0.1406 1.2915 116 77.61 4.97 0.1416 0.0018 5.0606 0.0769 5.2596 0.0780 5.4908 0.1328 0.5197 0.0095 21.8 3.8951 0.4269 0.1427 1.2406 126 74 5.64 0.1471 0.0026 5.3824 0.2555 6.4715 0.1924 6.9283 0.1642 0.5575 0.0117 23.2 3.8879 0.4385 0.1493 1.2270 4. Core RC11-238 Radionuclide Data Column 1: Depth (cm) Column 2: % CaCO3 Column 3: % Opal Column 4: 232Th (dpm/g) Column 5: 232Th error Column 6: 230Th (dpm/g) Column 7: 230Th error Column 8: 238U (dpm/g) Column 9: 238U error Column 10: 234U (dpm/g) Column 11: 234U error Column 12: 231Pa (dpm/g) Column 13: 231Pa error Column 14: Assigned age (ka) Column 15: xs230Th (dpm/g) Column 16: xs231Pa (dpm/g) Column 17: 231Pa/230Thxs,0 Column 18: 230Th-normalized mass flux (g/cm^2/ka) Depth %CaCO3 %Opal 232Th ± 230Th ± 238U ± 234U ± 231Pa ± Age xs230Th xs231Pa 231Pa/230Th Flux 7 79.9 7.15 0.1105 0.0019 4.5191 0.0620 0.5661 0.0062 0.6449 0.0276 0.703 0.015 4.2651 4.4203 0.6971 0.1661 1.4719 12 78.58 7.39 0.1039 0.0018 4.5073 0.0625 0.5105 0.0117 0.5799 0.0407 0.725 0.022 4.9116 4.4125 0.7195 0.1730 1.4657 17 78.11 7.12 0.1142 0.0018 4.6888 0.0751 1.5600 0.0311 1.7121 0.0610 0.718 0.017 5.5581 4.5246 0.7065 0.1670 1.4209 22 79.31 7.72 0.1080 0.0038 4.5063 0.1456 1.9585 0.0796 2.1344 0.0677 0.71 0.016 6.2046 4.3115 0.6961 0.1740 1.4823 41 78.66 7.29 0.0732 0.0040 3.5195 0.1124 3.2754 0.0570 3.5194 0.0452 0.552 0.017 8.7288 3.1846 0.5246 0.1831 1.9607 51 81.41 6.78 0.0578 0.0023 2.7402 0.0515 2.5160 0.0295 2.6638 0.0289 0.423 0.013 10.7168 2.4349 0.3977 0.1860 2.5179 71 84.27 4.55 0.0643 0.0023 2.9752 0.0896 3.3783 0.0752 3.4915 0.0535 0.313 0.013 14.6928 2.4501 0.2700 0.1317 2.4122 83 85 3.64 0.0960 0.0012 3.2441 0.0738 2.6167 0.0331 2.9442 0.1078 0.314 0.016 16.984 2.7570 0.2757 0.1228 2.0989 95 83.68 2.82 0.0938 0.0014 3.6296 0.0608 3.1420 0.0456 3.3223 0.0561 0.354 0.012 19 3.0024 0.3041 0.1275 1.8919 105 83.85 1.2 0.1082 0.0012 4.0125 0.0471 3.4011 0.0382 3.4255 0.0751 0.501 0.048 20.68 3.2812 0.4434 0.1736 1.7045 116 82.85 4.34 0.0964 0.0022 3.9988 0.0595 4.7315 0.0730 4.9488 0.0778 0.362 0.008 22.528 2.9382 0.2766 0.1237 1.8713 125 83.21 4.41 0.0932 0.0021 3.8743 0.0993 5.0461 0.0598 5.1848 0.0694 0.364 0.012 24.04 2.6853 0.2691 0.1341 2.0193 5. Core RC13-114 Radionuclide Data Column 1: Depth (cm) Column 2: % CaCO3 Column 3: % Opal Column 4: 232Th (dpm/g) Column 5: 232Th error Column 6: 230Th (dpm/g) Column 7: 230Th error Column 8: 238U (dpm/g) Column 9: 238U error Column 10: 234U (dpm/g) Column 11: 234U error Column 12: 231Pa (dpm/g) Column 13: 231Pa error Column 14: Assigned age (ka) Column 15: xs230Th (dpm/g) Column 16: xs231Pa (dpm/g) Column 17: 231Pa/230Thxs,0 Column 18: 230Th-normalized mass flux (g/cm^2/ka) Depth %CaCO3 %Opal 232Th ± 230Th ± 238U ± 234U ± 231Pa ± Age xs230Th xs231Pa 231Pa/230Th Flux 1 75.75 13.93 0.0406 0.0005 9.5707 0.1204 0.1503 0.0022 0.1725 0.0045 1.2308 0.0085 3.2 9.5382 1.2291 0.1340 0.9196 6 72.93 15.17 0.0404 0.0005 10.3687 0.1452 0.1709 0.0022 0.1948 0.0054 1.3468 0.0059 4.1 10.3344 1.3449 0.1368 0.8418 10 72.5 15.85 0.0392 0.0006 9.9899 0.1350 0.1828 0.0025 0.2065 0.0068 1.3211 0.0070 4.8 9.9548 1.3192 0.1405 0.8682 15 75.2 14.83 0.0386 0.0005 9.7749 0.1235 0.1638 0.0018 0.1869 0.0056 1.2623 0.0119 5.7 9.7398 1.2603 0.1387 0.8801 20 76.41 14.41 0.0369 0.0018 8.8548 0.1907 0.1746 0.0020 0.1975 0.0067 1.1100 0.0158 6.6 8.8190 1.1079 0.1361 0.9641 25 77.53 13.99 0.0353 0.0005 8.4220 0.1009 0.1552 0.0031 0.1809 0.0070 1.0584 0.0137 7.5 8.3874 1.0564 0.1379 1.0054 30 75.55 14.75 0.0395 0.0006 8.5957 0.1967 0.1543 0.0018 0.1806 0.0073 1.0478 0.0078 8.5 8.5572 1.0456 0.1354 0.9768 35 74.63 13.99 0.0491 0.0007 8.5486 0.1027 0.1558 0.0022 0.1799 0.0058 1.0347 0.0139 9.7 8.5025 1.0321 0.1364 0.9723 41 71.09 14.99 0.0612 0.0009 8.8696 0.1631 0.1571 0.0025 0.1821 0.0049 1.0828 0.0060 11.1 8.8142 1.0797 0.1401 0.9256 46 73.71 13.66 0.0668 0.0007 8.9802 0.1279 0.1534 0.0026 0.1755 0.0063 1.0770 0.0075 12.4 8.9321 1.0737 0.1397 0.9024 51 72.84 15.31 0.0584 0.0008 9.0918 0.1584 0.1536 0.0020 0.1756 0.0047 0.8157 0.1458 14.2 9.0453 0.8125 0.1066 0.8767 55 74.32 13.15 0.0655 0.0008 9.0858 0.1511 0.1438 0.0018 0.1639 0.0125 1.0543 0.0103 15.6 9.0361 1.0510 0.1405 0.8662 60 78.41 10.03 0.0807 0.0011 9.5293 0.2224 0.1247 0.0036 0.1341 0.0124 0.9515 0.0091 17.4 9.4748 0.9479 0.1235 0.8127 65 82.1 8.10 0.0823 0.0010 10.4075 0.1898 0.1281 0.0024 0.1592 0.0102 0.8395 0.0079 19.1 10.3504 0.8357 0.1018 0.7319 70 80.64 8.22 0.0877 0.0010 10.4179 0.1550 0.3865 0.0055 0.4586 0.0295 0.9137 0.0137 20.9 10.3058 0.9055 0.1132 0.7231 75 82.02 9.08 0.0821 0.0010 9.9103 0.2430 1.4682 0.0188 1.6457 0.0380 0.8325 0.0153 22.7 9.5634 0.8050 0.1108 0.7666 80 84.27 9.20 0.0825 0.0010 10.1647 0.1889 4.3916 0.0727 5.0431 0.1008 0.8289 0.0078 24.5 9.1261 0.7452 0.1098 0.7902 85 77.92 10.47 0.0849 0.0029 9.1249 0.1438 4.1178 0.0674 4.7235 0.1283 0.7806 0.0073 26.3 8.0866 0.6977 0.1186 0.8769 6. Core TT013-PC18 Radionuclide Data Column 1: Depth (cm) Column 2: % CaCO3 Column 3: % Opal Column 4: 232Th (dpm/g) Column 5: 232Th error Column 6: 230Th (dpm/g) Column 7: 230Th error Column 8: 238U (dpm/g) Column 9: 238U error Column 10: 231Pa (dpm/g) Column 11: 231Pa error Column 12: Assigned age (ka) Column 13: xs230Th (dpm/g) Column 14: xs231Pa (dpm/g) Column 15: 231Pa/230Thxs,0 Column 16: 230Th-normalized mass flux (g/cm^2/ka) Depth %CaCO3 %Opal 232Th ± 230Th ± 238U ± 231Pa ± Age xs230Th xs231Pa 231Pa/230Th Flux 9.5 89.965 0.0468 0.0068 16.7041 0.2767 0.2136 0.0063 0.8739 0.0302 5.2090 16.6616 0.8715 0.0557 0.6476 19.5 93.187 0.0324 0.0060 10.8591 0.1781 0.2207 0.0063 0.6291 0.0244 9.8045 10.8169 0.6263 0.0652 0.9561 29.5 95.245 4.62 0.0519 0.0043 8.7092 0.1220 0.2094 0.0066 0.4564 0.0167 14.4000 8.6484 0.4526 0.0623 1.1463 39.5 95.194 4.33 0.0710 0.0051 8.8508 0.1252 0.1799 0.0067 0.4189 0.0135 19.1605 8.7772 0.4146 0.0596 1.0810 49.5 89.683 2.55 0.0718 0.0051 9.2113 0.1347 0.1568 0.0066 0.3569 0.0143 23.9210 9.1371 0.3527 0.0516 0.9938 59.5 89.421 3.83 0.0792 0.0169 8.9785 0.3050 0.1906 0.0065 0.3451 0.0125 25.4146 8.8910 0.3400 0.0520 1.0074 69.5 89.992 3.71 0.0478 0.0049 6.3124 0.0991 0.1734 0.0064 0.2159 0.0084 32.2173 6.2381 0.2111 0.0500 1.3485 79.5 89.584 3.33 0.0518 0.0052 6.7493 0.1075 0.1807 0.0060 0.2321 0.0079 38.0593 6.6646 0.2268 0.0539 1.1961 89.5 90.532 3.46 0.0495 0.0048 6.4940 0.1068 0.1885 0.0065 0.2171 0.0072 42.7359 6.4027 0.2112 0.0554 1.1925 99.5 90.518 3.69 0.0494 0.0060 6.4052 0.1112 0.1811 0.0103 0.1877 0.0067 46.6511 6.3127 0.1819 0.0507 1.1666 120.5 90.314 3.18 0.0555 0.0051 5.5751 0.0941 0.1881 0.0078 0.1644 0.0056 54.3992 5.4698 0.1579 0.0558 1.2536 125.5 90.242 0.0525 0.0054 5.8293 0.0894 0.1286 0.0083 0.1966 0.0073 56.4824 5.7505 0.1920 0.0662 1.1698 130.5 87.184 4.16 0.1207 0.0254 7.4333 0.1465 0.1171 0.0060 0.1789 0.0069 58.7871 7.3334 0.1740 0.0483 0.8980 135.5 87.212 0.0932 0.0077 9.2544 0.1302 0.1283 0.0067 0.2521 0.0090 61.3818 9.1585 0.2470 0.0567 0.7021 140.5 83.977 7.76 0.1457 0.0087 12.5756 0.1925 0.2088 0.0076 0.3046 0.0092 64.3374 12.4198 0.2962 0.0520 0.5038 160.5 81.636 7.93 0.1084 0.0098 11.0279 0.1669 0.2029 0.0077 0.2338 0.0076 80.1347 10.8775 0.2255 0.0547 0.4973 170.5 81.212 9.69 0.1060 0.0075 11.0988 0.1546 0.1349 0.0179 0.1938 0.0067 92.1720 10.9857 0.1880 0.0522 0.4407 175.5 82.23 8.12 0.0890 0.0060 8.7190 0.1130 0.1210 0.0070 0.1400 0.0070 96.8206 8.6179 0.1348 0.0505 0.5382 180.5 83.542 7.52 0.1005 0.0070 8.7171 0.1400 0.1883 0.0066 0.1430 0.0051 101.0639 8.5667 0.1349 0.0535 0.5207 185.5 82.81 7.23 0.0930 0.0060 8.3510 0.1080 0.0870 0.0130 0.1230 0.0065 105.3707 8.2707 0.1191 0.0516 0.5183 190.5 77.357 10.91 0.1199 0.0084 9.9667 0.1416 0.1204 0.0057 0.1558 0.0058 110.3236 9.8568 0.1504 0.0580 0.4155 195.5 80.81 11.77 0.0790 0.0060 7.7120 0.0950 0.1150 0.0070 0.1000 0.0053 116.3587 7.6129 0.0949 0.0510 0.5089 200.5 84.05 6.37 0.0657 0.0056 4.6677 0.0804 0.1849 0.0076 0.0734 0.0030 121.6196 4.5173 0.0653 0.0631 0.8170 210.5 85.721 6.17 0.0725 0.0069 3.2715 0.0562 0.1235 0.0062 0.0533 0.0033 128.9766 3.1644 0.0478 0.0720 1.0899 220.5 83.348 0.0703 0.0053 4.1332 0.0655 0.1988 0.0101 0.0816 0.0036 134.1817 3.9659 0.0729 0.0933 0.8289 230.5 82.383 0.0699 0.0050 2.6532 0.0446 0.1272 0.0057 0.0447 0.0029 138.2161 2.5417 0.0391 0.0820 1.2461 240.5 85.171 7.13 0.0771 0.0051 3.0997 0.0529 0.1739 0.0073 0.0320 0.0018 142.4443 2.9484 0.0243 0.0462 1.0332 250.5 84.077 7.33 0.0777 0.0052 3.0521 0.0469 0.1048 0.0055 0.0451 0.0031 147.5942 2.9561 0.0404 0.0816 0.9827 260.5 85.38 6.07 0.0870 0.0060 3.3470 0.0490 0.1040 0.0073 0.0316 0.0028 153.5198 3.2499 0.0269 0.0531 0.8464 270.5 84.76 5.88 0.0950 0.0060 3.3420 0.0490 0.1020 0.0060 0.0273 0.0027 159.0137 3.2453 0.0227 0.0479 0.8058 280.5 89.43 4.25 0.0620 0.0040 2.5720 0.0370 0.1060 0.0073 0.0213 0.0023 163.3659 2.4747 0.0165 0.0482 1.0151 290.5 89.18 0.0945 0.0055 3.2663 0.0514 0.1278 0.0064 167.0000 3.1466 0.7721 300.5 83.9 0.1510 0.0098 5.3153 0.0943 0.1100 0.0398 171.9800 5.2058 0.4457 310.5 73.43 0.2746 0.0219 8.5310 0.1961 0.1352 0.0076 180.0762 8.3897 0.2567 320.5 84.32 0.1208 0.0096 4.3873 0.1262 0.1164 0.0086 189.0882 4.2738 0.4637 330.5 88.74 0.0852 0.0056 2.8187 0.0468 0.1368 0.0076 204.0359 2.6872 0.6426 340.5 87.21 0.0944 0.0078 2.5369 0.0448 0.1112 0.0079 219.5625 2.4280 0.6164 7. Core TT013-PC72 Radionuclide Data Column 1: Depth (cm) Column 2: % CaCO3 Column 3: % Opal Column 4: 232Th (dpm/g) Column 5: 232Th error Column 6: 230Th (dpm/g) Column 7: 230Th error Column 8: 238U (dpm/g) Column 9: 238U error Column 10: 231Pa (dpm/g) Column 11: 231Pa error Column 12: Assigned age (ka) Column 13: xs230Th (dpm/g) Column 14: xs231Pa (dpm/g) Column 15: 231Pa/230Thxs,0 Column 16: 230Th-normalized mass flux (g/cm^2/ka) Depth %CaCO3 %Opal 232Th ± 230Th ± 238U ± 231Pa ± Age xs230Th xs231Pa 231Pa/230Th Flux 5.5 81.994 0.0811 0.0080 16.0028 0.2228 0.3866 0.0139 0.9665 0.0373 4.0000 15.9325 0.9626 0.0634 0.6760 7.5 84 8.05 0.0602 0.0042 16.2085 0.1066 0.1482 0.0086 1.0856 0.0363 4.8550 16.1611 1.0832 0.0711 0.6612 10.5 92.982 0.0700 0.0075 14.6525 0.2110 0.3703 0.0133 0.9578 0.0371 4.9000 14.5874 0.9540 0.0694 0.7322 12.5 84 8.55 0.0594 0.0055 15.6318 0.1048 0.1861 0.0074 1.0270 0.0326 4.9410 15.5829 1.0245 0.0698 0.6852 15.5 83.896 0.0542 0.0066 12.6300 0.1517 0.3975 0.0138 0.7762 0.0356 5.4000 12.5722 0.7727 0.0656 0.8457 19 84 8.98 0.0513 0.0037 11.5298 0.0766 0.1695 0.0065 0.6982 0.0219 6.4320 11.4851 0.6957 0.0655 0.9170 20.5 85.099 0.0489 0.0060 10.8900 0.1856 0.3543 0.0122 0.6274 0.0298 7.8202 10.8304 0.6236 0.0633 0.9601 22.5 87 7.13 0.0490 0.0044 10.8413 0.0752 0.1553 0.0064 0.6608 0.0216 8.8614 10.7962 0.6583 0.0679 0.9539 25.5 85.408 0.0654 0.0065 10.1300 0.1357 0.3654 0.0158 0.6099 0.0297 11.2908 10.0483 0.6046 0.0690 1.0022 27.5 87 6.4 0.0563 0.0050 9.7272 0.0713 0.1733 0.0073 0.5648 0.0191 12.3240 9.6714 0.5615 0.0674 1.0314 30.5 86.232 0.0570 0.0072 9.2200 0.1400 0.3309 0.0131 0.5450 0.0246 13.4427 9.1415 0.5399 0.0695 1.0800 32.5 87 6.63 0.1020 0.0169 9.1046 0.2574 0.1563 0.0078 0.5699 0.0198 13.9221 9.0216 0.5656 0.0742 1.0895 32.5 87 6.63 0.0516 0.0008 8.6658 0.1161 0.1505 0.0034 0.5275 0.0088 13.9220 8.6140 0.5245 0.0721 1.1411 35.5 84.086 0.0627 0.0063 8.8452 0.1285 0.3656 0.0155 0.5504 0.0189 14.8810 8.7545 0.5444 0.0745 1.1129 39.5 91 4.79 0.0859 0.0041 10.1741 0.0697 0.1552 0.0062 0.5937 0.0200 16.3310 10.0988 0.5896 0.0712 0.9519 39.5 91 4.79 0.0791 0.0013 9.3400 0.1268 0.1258 0.0037 0.5029 0.0088 16.3310 9.2735 0.4994 0.0656 1.0367 40.5 86.911 0.0997 0.0089 9.4289 0.1469 0.3058 0.0123 0.4823 0.0225 16.8748 9.3205 0.4758 0.0626 1.0263 42.5 89 4.65 0.0808 0.0048 8.7476 0.0697 0.1291 0.0060 0.5264 0.0185 17.4185 8.6788 0.5228 0.0744 1.0967 45.5 88.717 0.0824 0.0092 9.0488 0.1482 0.3379 0.0139 0.4610 0.0209 18.6873 8.9408 0.4541 0.0637 1.0521 47.5 90 4.12 0.0893 0.0067 9.2696 0.0737 0.1270 0.0065 0.4781 0.0151 19.2310 9.1952 0.4742 0.0651 1.0179 50.5 89.3 0.1000 21.0000 0.9777 52.5 90 3.45 0.1107 0.0051 9.7528 0.0778 0.1219 0.0079 0.4480 0.0151 22.4035 9.6659 0.4437 0.0602 0.9404 52.5 90 3.45 0.0813 0.0026 9.2455 0.1257 0.1004 0.0019 0.3947 0.0068 22.4035 9.1794 0.3913 0.0559 0.9903 55.5 88.521 3.24 0.0913 0.0100 10.1581 0.1512 0.3328 0.0121 0.4616 0.0168 24.3070 10.0329 0.4536 0.0607 0.8903 60.5 91 0.0833 0.0035 9.4809 0.1443 0.1040 0.0015 0.3884 0.0067 25.2708 9.4118 0.3848 0.0555 0.9406 65.5 90.5 0.0840 0.0017 9.7601 0.1497 0.1215 0.0038 0.3726 0.0065 26.2346 9.6860 0.3686 0.0523 0.9059 70.5 90.112 2.49 0.0627 0.0052 7.0750 0.0968 0.3421 0.0124 0.2976 0.0120 27.1984 6.9561 0.2896 0.0579 1.2503 75.5 89.85 3.04 0.0831 0.0045 7.7894 0.0633 0.1246 0.0066 0.3411 0.0105 28.1622 7.7141 0.3371 0.0614 1.1175 80.5 92 29.1260 80.5 92 0.0799 0.0037 9.0253 0.1968 0.1198 0.0021 0.3390 0.0065 29.1260 8.9524 0.3351 0.0533 0.9544 85.5 89.49 3 0.0656 0.0039 6.8935 0.0529 0.1350 0.0068 0.2422 0.0082 31.1192 6.8224 0.2381 0.0509 1.2296 95.5 89.14 3.595 0.0644 0.0055 7.0198 0.0596 0.1296 0.0068 0.2762 0.0092 35.1660 6.9482 0.2721 0.0600 1.1631 100.5 89.694 2.71 0.0692 0.0067 6.4676 0.1017 0.2592 0.0101 0.2448 0.0095 38.4045 6.3480 0.2371 0.0595 1.2357 104.5 88.88 3.62 0.0550 0.0040 6.1506 0.0476 0.1287 0.0093 0.2810 0.0095 39.3200 6.0811 0.2768 0.0733 1.2791 104.5 88.88 0.0422 0.0010 5.1392 0.1082 0.1147 0.0077 0.2043 0.0035 39.3200 5.0804 0.2007 0.0636 1.5310 115.5 88.09 0.0578 0.0074 5.9139 0.0577 0.1465 0.0138 0.1679 0.0067 46.8000 5.8314 0.1630 0.0493 1.2450 120.5 89.632 3.4 0.0508 0.0064 5.4960 0.0916 0.3403 0.0107 0.1820 0.0084 50.2000 5.3329 0.1711 0.0589 1.3194 130.5 92 0.0522 0.0015 5.5422 0.1110 0.1223 0.0064 0.1622 0.0028 54.8500 5.4672 0.1578 0.0561 1.2330 140.5 87.792 4.12 0.0979 0.0080 7.5127 0.1098 0.1636 0.0100 0.2429 0.0091 59.5000 7.3989 0.2366 0.0657 0.8729 145.5 83.678 0.1255 0.0091 9.8924 0.1344 0.1411 0.0058 0.3012 0.0089 61.6000 9.7785 0.2953 0.0637 0.6478 150.5 81.767 0.1699 0.0086 12.3360 0.1634 0.1792 0.0069 0.3723 0.0126 63.7000 12.1869 0.3648 0.0647 0.5098 155.5 80.567 0.2017 0.0102 14.0942 0.1849 0.1701 0.0068 0.3936 0.0126 66.5000 13.9380 0.3861 0.0620 0.4344 160.5 75.949 10.58 0.1984 0.0111 16.2207 0.2213 0.1735 0.0064 0.4227 0.0125 68.4000 16.0635 0.4151 0.0592 0.3704 170.5 80.401 0.1477 0.0106 12.7443 0.1948 0.1570 0.0061 0.3256 0.0114 73.9000 12.6111 0.3188 0.0619 0.4485 180.5 78.196 9.09 0.1393 0.0111 11.5487 0.1713 0.3463 0.0106 0.2545 0.0091 80.9000 11.3043 0.2407 0.0567 0.4690 190.5 74.76 89.5400 200.5 79.89 0.1253 0.0099 9.5288 0.1410 0.3507 0.0125 0.1633 0.0060 99.2000 9.2647 0.1486 0.0533 0.4835 205.5 79.684 103.8800 210.5 77 12.76 0.1480 0.0123 10.9294 0.1636 0.3670 0.0112 0.1394 0.0063 108.3000 10.6398 0.1237 0.0431 0.3871 225.5 75.189 12.17 0.1046 0.0124 6.2322 0.1261 0.1857 0.0099 0.1247 0.0072 119.4000 6.0753 0.1165 0.0814 0.6121 235.5 84 0.0828 0.0037 3.9825 0.0665 0.1633 0.0074 0.0657 0.0011 125.4000 3.8441 0.0585 0.0695 0.9153 245.5 80.191 10.05 0.0971 0.0099 3.9787 0.0860 0.1437 0.0073 0.0717 0.0042 131.4000 3.8515 0.0653 0.0832 0.8644 255.5 85 0.0890 0.0016 3.6992 0.0638 0.1240 0.0088 0.0480 0.0009 136.6000 3.5878 0.0425 0.0619 0.8845 263.5 82.672 8.08 0.0893 0.0072 2.9749 0.0523 0.3384 0.0098 0.0533 0.0027 141.8000 2.6889 0.0383 0.0793 1.1250 273.5 81.584 10.24 0.0970 0.0076 3.0952 0.0598 0.3451 0.0106 0.0502 0.0027 146.8000 2.7992 0.0349 0.0738 1.0320 283.5 83.064 0.1050 0.0060 3.3530 0.0570 0.1980 0.0130 151.3000 3.1757 0.8727 308.5 81.338 8.46 0.1360 0.0180 3.5630 0.0910 0.1910 0.0180 161.0000 3.3858 0.7485 328.5 83.702 0.1260 0.0070 3.3570 0.0580 0.1500 0.0100 168.0000 3.2150 0.7391 338.5 72 9.94 0.1639 0.0030 4.3664 0.0679 0.1423 0.0014 171.5000 4.2275 0.5442 343.5 79.92 172.8300 348.5 69.8 0.2834 0.0039 7.4906 0.1113 0.1620 0.0017 174.9000 7.3244 0.3044 353 67 177.1000 358.5 65.067 0.2810 0.0210 7.6520 0.1200 0.1760 0.0130 180.0000 7.4738 0.2846 363 63.5 182.5000 368 65 185.9000 373.5 84.306 0.0930 0.0012 7.8555 0.0892 0.1243 0.0016 190.0000 7.7365 0.2508 378.5 76.84 0.1920 0.0170 5.9300 0.1200 0.1670 0.0090 195.0000 5.7657 0.3213 383.5 79.9 0.1219 0.0014 3.8942 0.0407 0.1263 0.0016 199.6000 3.7710 0.4709 388 86.48 203.5000 393 82.21 0.0677 0.0022 2.7077 0.1460 0.1256 207.1000 2.5872 0.6405 398 80.3 210.5000 403 83.24 0.1141 0.0014 2.4393 0.1371 0.1284 213.8000 2.3137 0.6734 406 84.3 216.9000 413 83.3 219.8000 418 84 222.6000 423 83.7 0.1800 0.0079 2.8381 0.2054 0.1350 225.4000 2.7035 0.5179 429 80.9 228.2000 433 87.92 231.2000 438 88.6 0.0593 0.0007 1.3904 0.0153 0.1114 0.0013 234.4000 1.2813 1.0057 443 86.59 238.0000 448 73.8 242.1000 453 88.01 0.1219 0.0069 1.3235 0.0834 0.1237 246.2000 1.2007 0.9627 458 88.3 250.1000 463 86.81 0.0687 0.0008 1.2006 0.0289 0.1014 0.0011 253.3000 1.1001 0.9841 468 87.5 255.9000 473 87.12 0.0510 0.0007 0.8813 0.0586 0.1190 258.5000 0.7634 1.3518 478 78.3 260.8000 483 82.61 0.1177 0.0018 1.5576 0.0257 0.1226 0.0013 263.0000 1.4354 0.6897 488 73.8 265.2000 493.5 69 0.2207 0.0026 2.8299 0.0291 0.1651 0.0027 267.3000 2.6648 0.3571 498 64 269.6000 503.5 67.78 0.3248 0.0040 3.6128 0.0499 0.1698 0.0018 272.0000 3.4428 0.2647 508 58.2 274.5000 513.5 64.93 0.3304 0.0060 4.2949 0.0858 0.1768 0.0031 277.4000 4.1181 0.2105 518.5 93.8 0.0874 0.0011 1.3848 0.0392 0.1079 0.0012 280.5000 1.2769 0.6599 523 83.02 0.1277 284.1000 528 87.4 288.1000 533 82.84 0.1187 292.5000 538 86.2 297.4000 543 85.72 302.7000 548 89.1 308.2000 551 84.26 311.2000 558 95.3 315.6000 564 80.9 320.0000 568 79.92 322.7000 574 85.3 325.2000 578 93.3 327.5000 584 89.9 329.7000 588 90.86 331.9000 594 88.7 334.1000 598 90.3 336.2000 604 93.8 338.5000 609 88.53 340.9000 614 89.4 343.5000 618 89.8 346.2000 624 91.4 349.2000 628 90.61 352.4000 634 91.3 355.7000 638 89.3 359.0000 644 85.9 362.2000 648 85.41 365.2000 654 85.5 368.2000 658 78.5 371.0000 664 83.3 373.9000 668 81.24 376.7000 674 89 379.5000 678 80.3 382.5000 684 79.3 385.5000 688 83 388.4000 694 78.2 391.2000 698 74.3 393.8000 702 66 395.9000 708 59.37 398.6000 717 75.7 404.3000 722 86.4 407.5000 727 86.18 410.9000 732 87.7 414.4000 737 85 417.9000 742 90 421.2000 747 90.59 424.4000 752 88.9 427.3000 757 87.8 429.9000 762 89.6 432.2000 767 92.93 434.4000 772 93 436.4000 777 92.2 438.3000 782 92.5 440.0000 787 87.09 441.7000 797 92 444.9000 802 93.2 446.4000 806 92 447.7000 812 91.5 449.6000 817 91.9 451.2000 822 90.7 452.9000 827 90.8 454.6000 832 92.2 456.5000 837 89.7 458.5000 842 87.2 460.6000 847 88.9 462.7000 852 85.5 464.9000 857 82.6 467.0000 862 82.7 469.2000 867 72.9 471.4000 872 64.5 473.6000 877 61.7 475.8000 8. Core RC17-177 Radionuclide Data Column 1: Depth (cm) Column 2: % CaCO3 Column 3: % Opal Column 4: 232Th (dpm/g) Column 5: 232Th error Column 6: 230Th (dpm/g) Column 7: 230Th error Column 8: 238U (dpm/g) Column 9: 238U error Column 10: 234U (dpm/g) Column 11: 234U error Column 12: 231Pa (dpm/g) Column 13: 231Pa error Column 14: Assigned age (ka) Column 15: xs230Th (dpm/g) Column 16: xs231Pa (dpm/g) Column 17: 231Pa/230Thxs,0 Column 18: 230Th-normalized mass flux (g/cm^2/ka) Depth %CaCO3 %Opal 232Th ± 230Th ± 238U ± 234U ± 231Pa ± Age xs230Th xs231Pa 231Pa/230Th Flux 0 82.5 1.79 0.1088 0.0018 5.8626 0.0765 0.1507 0.0020 0.1752 0.0055 0.4907 0.0049 0.0000 5.7865 0.4872 0.0842 1.1817 5 85.46 2.04 0.1062 0.0045 6.2477 0.1299 0.1561 0.0027 0.1660 0.0080 0.4956 0.0029 4.0000 6.1700 0.4919 0.0837 1.0682 10 85.16 1.73 0.0921 0.0017 5.7333 0.1196 0.1385 0.0024 0.1595 0.0061 0.4528 0.0036 7.3333 5.6633 0.4494 0.0867 1.1285 15 85.71 1.54 0.1023 0.0028 5.9860 0.1142 0.1678 0.0037 0.1881 0.0092 0.4459 0.0055 10.5833 5.9225 0.4417 0.0848 1.0473 20 85.16 1.81 0.1487 0.0029 6.3808 0.1660 0.1544 0.0023 0.1837 0.0109 0.4504 0.0041 13.5000 6.2958 0.4450 0.0832 0.9591 25 83.42 1.53 0.1557 0.0041 5.9909 0.1965 0.1522 0.0027 0.1769 0.0083 0.4248 0.0043 16.4167 5.9011 0.4192 0.0867 0.9961 30 83.61 1.55 0.1594 0.0043 5.8755 0.0701 0.1410 0.0016 0.1584 0.0082 0.4005 0.0041 18.0909 5.7851 0.3949 0.0850 1.0005 35 86.87 1.49 0.1777 0.0046 6.0136 0.1213 0.1503 0.0032 0.1643 0.0123 0.3617 0.0043 19.4545 5.9133 0.3556 0.0761 0.9666 40 87.2 1.02 0.1534 0.0029 5.0805 0.1071 0.1445 0.0017 0.1654 0.0066 0.3061 0.0046 20.8438 4.9903 0.3006 0.0775 1.1308 45 87.14 0.84 0.1252 0.0015 4.2891 0.0890 0.1319 0.0014 0.1521 0.0033 0.2612 0.0040 22.2500 4.2119 0.2564 0.0797 1.3225 50 86.47 0.93 0.1250 0.0025 4.2137 0.0511 0.1405 0.0018 0.1588 0.0041 0.2411 0.0033 23.6563 4.1339 0.2362 0.0761 1.3301 55 84.27 1.35 0.1264 0.0022 3.9487 0.0792 0.1405 0.0015 0.1553 0.0066 0.2194 0.0025 26.9167 3.8662 0.2143 0.0768 1.3801 9. Core V28-203 Radionuclide Data Column 1: Depth (cm) Column 2: % CaCO3 Column 3: % Opal Column 4: 232Th (dpm/g) Column 5: 232Th error Column 6: 230Th (dpm/g) Column 7: 230Th error Column 8: 238U (dpm/g) Column 9: 238U error Column 10: 234U (dpm/g) Column 11: 234U error Column 12: 231Pa (dpm/g) Column 13: 231Pa error Column 14: 14C Age Column 15: 14C error Column 16: Assigned age (ka) Column 17: xs230Th (dpm/g) Column 18: xs231Pa (dpm/g) Column 19: 231Pa/230Thxs,0 Column 20: 230Th-normalized mass flux (g/cm^2/ka) Depth %CaCO3 %Opal 232Th ± 230Th ± 238U ± 234U ± 231Pa ± 14C age 14C err. Age xs230Th xs231Pa 231Pa/230Th Flux 0 83.06 1.80 0.0330 0.0005 5.5662 0.1138 0.1095 0.0014 0.1278 0.0046 0.3948 0.0054 0.2500 5.5429 0.3937 0.0712 1.2308 10 87.11 2.96 0.0329 0.0004 5.6473 0.0788 0.1008 0.0014 0.1176 0.0060 0.3640 0.0037 4.5200 5.6207 0.3626 0.0681 1.1669 20 87.1 3.40 0.0353 0.0005 5.4667 0.0584 0.1115 0.0017 0.1292 0.0056 0.3610 0.0040 9.0385 5.4341 0.3592 0.0737 1.1578 50 90.28 0.71 0.0530 0.0007 4.2283 0.0942 0.0886 0.0012 0.0966 0.0051 0.2794 0.0020 19950 110 22.5500 4.1803 0.2768 0.0870 1.3289 60 91.66 0.77 0.0552 0.0009 4.3180 0.0995 0.0839 0.0011 0.0938 0.0038 0.2710 0.0016 27.0143 4.2681 0.2683 0.0872 1.2491 70 93.45 0.69 0.0611 0.0012 4.6495 0.0969 0.0814 0.0013 0.0943 0.0051 0.2497 0.0014 24800 160 31.5455 4.5957 0.2469 0.0787 1.1126 10. Core MD2138 Radionuclide Data Column 1: Depth (cm) (first sample from from BC36) Column 2: % CaCO3 Column 3: % Opal Column 4: 232Th (dpm/g) Column 5: 232Th error Column 6: 230Th (dpm/g) Column 7: 230Th error Column 8: 238U (dpm/g) Column 9: 238U error Column 10: 234U (dpm/g) Column 11: 234U error Column 12: 231Pa (dpm/g) Column 13: 231Pa error Column 14: Assigned age (ka) Column 15: xs230Th (dpm/g) Column 16: xs231Pa (dpm/g) Column 17: 231Pa/230Thxs,0 Column 18: 230Th-normalized mass flux (g/cm^2/ka) * from BC36 Depth %CaCO3 %Opal 232Th ± 230Th ± 238U ± 234U ± 231Pa ± Age xs230Th xs231Pa 231Pa/230Th Flux 10.5* 84.9 2.23 0.0721 0.0009 4.8520 0.1059 0.1701 0.0023 0.1857 0.0064 0.4869 0.0144 2.8 4.7832 0.4822 0.1386 0.9971 3.25 55.27 4.07 0.2877 0.0037 4.6659 0.0531 0.4780 0.0055 0.5144 0.0107 0.5646 0.0077 3.5 4.4544 0.5544 0.1299 1.0862 22.25 64.3 3.67 0.1600 0.0020 3.8610 0.0563 0.3057 0.0035 0.3366 0.0049 0.4533 0.0020 5.7 3.7376 0.4471 0.1282 1.2685 32.25 68.59 3.26 0.1322 0.0014 3.8727 0.0481 0.3092 0.0032 0.3373 0.0100 0.4404 0.0037 6.8 3.7652 0.4348 0.1254 1.2465 92.25 64.61 3.31 0.2276 0.0026 3.3008 0.0622 1.9907 0.0200 2.2529 0.0256 0.3531 0.0034 12.3 2.9182 0.3263 0.1298 1.5289 142.25 60.21 4.89 0.2706 0.0036 3.9018 0.0496 2.3119 0.0239 2.6201 0.0292 0.3678 0.0041 16.3 3.3758 0.3304 0.1192 1.2738 153.25 56.56 5.47 0.2602 0.0030 3.9146 0.0452 2.6508 0.0274 2.9832 0.0327 0.3680 0.0056 17.1 3.3233 0.3249 0.1202 1.2844 172.25 48.15 5.67 0.2986 0.0036 3.6772 0.0887 2.6543 0.0274 2.9868 0.0407 0.3294 0.0019 18.6 3.0304 0.2830 0.1170 1.3892 182.25 53.41 5.47 0.2775 0.0031 3.8866 0.0510 2.6741 0.0658 2.9909 0.0899 0.3432 0.0038 19.4 3.2310 0.2956 0.1157 1.2934 212.25 53.5 5.73 0.2939 0.0033 4.2158 0.0665 2.8882 0.0300 3.2597 0.0410 0.3891 0.0089 21.9 3.4533 0.3336 0.1259 1.1826 242.25 56.4 4.91 -0.0002 0.0000 4.3872 0.0984 2.8791 0.0302 3.2393 0.0419 0.3931 0.0035 24.7 3.7218 0.3389 0.1228 1.0693 262.25 61.22 4.00 0.2781 0.0031 4.2712 0.1029 3.7110 0.0412 4.1562 0.0590 0.3797 0.0042 26.8 3.2451 0.3003 0.1280 1.2029 282.25 63.11 4.53 0.2570 0.0036 4.0633 0.0727 3.4423 0.0351 3.8836 0.0463 0.3636 0.0028 29.3 3.0453 0.2856 0.1337 1.2526 11. Core MW91-9 Radionuclide Data Column 1: Depth (cm) (first two samples from from BC51) Column 2: % CaCO3 Column 3: % Opal Column 4: 232Th (dpm/g) Column 5: 232Th error Column 6: 230Th (dpm/g) Column 7: 230Th error Column 8: 238U (dpm/g) Column 9: 238U error Column 10: 234U (dpm/g) Column 11: 234U error Column 12: 231Pa (dpm/g) Column 13: 231Pa error Column 14: Assigned age (ka) Column 15: xs230Th (dpm/g) Column 16: xs231Pa (dpm/g) Column 17: 231Pa/230Thxs,0 Column 18: 230Th-normalized mass flux (g/cm^2/ka) * from BC51 Depth %CaCO3 %Opal 232Th ± 230Th ± 238U ± 234U ± 231Pa ± Age xs230Th xs231Pa 231Pa/230Th Flux 1* 81.03 2.81 0.1248 0.0014 12.7500 0.1557 0.1896 0.0022 0.2131 0.0074 0.7763 0.0046 0.6 12.6867 0.7723 0.0613 0.7008 9* 82.32 2.57 0.0880 0.0011 10.3919 0.1202 0.1666 0.0018 0.1859 0.0074 0.6178 0.0088 5.7 10.3408 0.6144 0.0636 0.8207 6 86.22 2.82 0.0929 0.0017 10.0741 0.1361 0.1685 0.0018 0.1861 0.0045 0.6007 0.0073 3.8 10.0229 0.5974 0.0624 0.8616 12 83.48 2.98 0.1132 0.0013 10.2579 0.1233 0.1858 0.0021 0.2079 0.0045 0.5776 0.0077 7.0 10.1922 0.5732 0.0612 0.8228 18 81.5 2.70 0.1344 0.0019 9.2137 0.1089 0.1616 0.0017 0.1877 0.0044 0.4961 0.0047 9.0 9.1379 0.4913 0.0599 0.9008 24 78.72 3.30 0.1907 0.0023 10.1086 0.1286 0.1933 0.0034 0.1701 0.0073 0.5576 0.0093 11.3 9.9684 0.5509 0.0632 0.8099 30 76.57 3.71 0.2576 0.0031 12.0495 0.2069 0.2115 0.0027 0.1670 0.0057 0.6325 0.0166 13.8 11.9106 0.6239 0.0609 0.6697 36 74.48 4.37 0.2795 0.0040 12.6368 0.1844 0.2093 0.0041 0.2163 0.0091 0.6166 0.0089 16.3 12.4874 0.6075 0.0578 0.6284 42 77.5 4.65 0.2744 0.0035 12.3736 0.1629 0.1936 0.0031 0.2356 0.0068 0.5690 0.0141 18.7 12.2278 0.5601 0.0553 0.6334 48 75.2 4.57 0.2762 0.0036 11.8539 0.1764 0.1885 0.0025 0.2293 0.0082 0.5136 0.0143 21.2 11.7073 0.5048 0.0532 0.6508 54 78.75 4.18 0.2227 0.0025 9.8582 0.1777 0.1740 0.0024 0.2126 0.0091 0.4466 0.0138 24.8 9.7353 0.4392 0.0569 0.7700 60 80 3.60 0.1969 0.0024 8.5645 0.0921 0.1671 0.0033 0.2093 0.0095 0.3844 0.0082 26.6 8.4523 0.3775 0.0575 0.8724 66 84.24 3.38 0.1615 0.0024 7.6492 0.1381 0.1570 0.0021 0.1922 0.0077 0.3579 0.0140 29.4 7.5521 0.3519 0.0613 0.9606 72 82.24 3.19 0.1635 0.0021 7.0049 0.1322 0.1555 0.0023 0.1810 0.0102 0.3429 0.0086 32.2 6.8870 0.3373 0.0543 1.2010 78 82.02 2.42 0.1549 0.0021 6.7443 0.0876 0.1508 0.0016 0.1757 0.0071 0.3327 0.0048 34.9 6.6318 0.3273 0.0555 1.2335