# North Atlantic Stable Isotope and Nd Isotope Data during the Late Campanian to Maastrictian #----------------------------------------------------------------------- # World Data Service for Paleoclimatology, Boulder # and # NOAA Paleoclimatology Program #----------------------------------------------------------------------- # Template Version 3.0 # Encoding: UTF-8 # NOTE: Please cite original publication, online resource and date accessed when using this data. # If there is no publication information, please cite Investigator, title, online resource and date accessed. # # Description/Documentation lines begin with # # Data lines have no # # # Online_Resource: https://www.ncdc.noaa.gov/paleo/study/25911 # Description: NOAA Landing Page # Online_Resource: http://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/macleod2019/macleod2019-odp1276-nd.txt # Description: NOAA location of the template # # Data_Type: Paleoceanography # # Dataset_DOI: # # Parameter_Keywords: oxygen isotopes, carbon isotopes, geochemistry #--------------------------------------- # Contribution_Date # Date: 2019-01-29 #--------------------------------------- # File_Last_Modified_Date # Date: 2019-01-29 #--------------------------------------- # Title # Study_Name: North Atlantic Stable Isotope and Nd Isotope Data during the Late Campanian to Maastrictian #--------------------------------------- # Investigators # Investigators: MacLeod, K.G.; Martin, E.E.; Poulsen, C.J. #--------------------------------------- # Description_Notes_and_Keywords # Description: Late Campanian to Maastrictian stable isotope data from DSDP Sites 549, 550, and 551, OPD Sites 1050, and IODP 1403B. Late Campanian to Maastrictian Nd isotopic data from DSDP Sites 549, 550, and 551, OPD Sites 1050 and 1276, and IODP 1403B. # Provided Keywords: Cretaceous, ocean circulation, Nd isotopes, North Atlantic #--------------------------------------- # Publication # Authors: Rostami, M.A.; Martin, E.E.; Vande Guchte, A.; Poulsen, C.J.; MacLeod, K.G.; Haynes, S.J. # Published_Date_or_Year: 2019 # Published_Title: Development of Northern Component Water during the latest Cretaceous # Journal_Name: # Volume: in prep # Edition: # Issue: # Pages: # Report_Number: # DOI: # Online_Resource: # Full_Citation: # Abstract: #--------------------------------------- # Funding_Agency # Funding_Agency_Name: National Science Foundation # Grant: OCE-1261562 #--------------------------------------- # Site_Information # Site_Name: ODP 1276A # Location: North Atlantic Ocean # Country: # Northernmost_Latitude: 45.409 # Southernmost_Latitude: 45.409 # Easternmost_Longitude: -44.787 # Westernmost_Longitude: -44.787 # Elevation: -4549 #--------------------------------------- # Data_Collection # Collection_Name: ODP1276A Nd MacLeod2019 # First_Year: 75500000 # Last_Year: 66000000 # Time_Unit: cal yr BP # Core_Length: 1017 # Notes: #--------------------------------------- # Chronology_Information # Chronology: #--------------------------------------- # Variables # Data variables follow that are preceded by "##" in columns one and two. # Variables list, one per line, shortname-tab-longname components (9 components: what, material, error, units, seasonality, archive, detail, method, C or N for Character or Numeric data) ## Sample_ID sample identification,,,,,Paleoceanography,,,C,Site-core-section-interval (cm) ## Depth depth,,,meter,,Paleoceanography,,,N,Meters below sea floor; cumulative depth ## Age_Ma age,,,million years ago,,Paleoceanography,,,N,Estimated Numerical Age ## Geologic_Age notes,,,,,Paleoceanography,,,C,Geologic Age ## 147Sm/144Nd 147Sm/144Nd,,,,,Paleoceanography,,inductively-coupled plasma mass spectrometry,N,analyzed on Thermo Scientific Element 2 HR ICP-MS; samples diluted 1:1 with 5% HNO3 spiked with Re and Rh; analyzed using in-house standards; relative standard error <8% for all elements; measured on fish teeth and debris ## 143Nd/144Nd 143Nd/144Nd,,,,,Paleoceanography,,multiple collector inductively-coupled plasma mass spectrometry,N,analyzed on Nu Plasma MC-ICPMS; DSN nebulizer; time-resolved analysis; long term reproducibility on JNdi-1 is +/-0.000014; measured on fish teeth and debris ## 143Nd/144Nd_2SE 143Nd/144Nd,,two standard error,,,Paleoceanography,,,N,JNdi-1 run between every 5-6 samples; average JNdi-1 corrected to 0.512115; same correction applied to all unknowns; internal measurement error ## eNd(0) epsilon neodymium,,,epsilon unit,,Paleoceanography,,,N,epsilon Nd (0); normalized to CHUR = 0.512638; measured on fish teeth and debris ## eNd(t) epsilon neodymium,,,epsilon unit,,Paleoceanography,,,N,epsilon Nd corrected for age-dependent ingrowth of 143Nd; calculated using measured 147Sm/144Nd and CHUR for the estimated age calcuated using 147Sm/144Nd = 0.1967; measured on fish teeth and debris ## eNd(t)_2SE epsilon neodymium,,two standard error,epsilon unit,,Paleoceanography,,,N,two standard error expressed as epsilon Nd; ((2SE for 143Nd/144Nd)/0.512638)*10000 #------------------------ # Data: # Data lines follow (have no #) # Data line format - tab-delimited text, variable short name as header # Missing_Values: NaN Sample_ID Depth Age_Ma Geologic_Age 147Sm/144Nd 143Nd/144Nd 143Nd/144Nd_2SE eNd(0) eNd(t) eNd(t)_2SE 1276A, 20-1 (16-18 cm) 973.26 65.96 Early-Danian 0.124 0.512024 0.000010 -11.98 -11.37 0.20 1276A, 20-4 (59-61 cm) 977.80 66.08 Late-Maastrichtian 0.124 0.512035 0.000020 -11.76 -11.16 0.39 1276A, 21-4 (47-50 cm) 987.43 67.80 Late-Maastrichtian 0.131 0.512112 0.000014 -10.26 -9.70 0.27 1276A, 22-1 (123-126 cm) 993.63 68.20 Late-Maastrichtian 0.134 0.512091 0.000009 -10.67 -10.10 0.18 1276A, 22-2 (116-120 cm) 995.07 68.70 Late-Maastrichtian 0.133 0.512194 0.000013 -8.66 -8.10 0.26 1276A-22-2, 142-144 cm 995.31 68.78 Late-Maastrichtian 0.124 0.512200 0.000010 -8.54 -7.91 0.20 1276A, 22-3 (40-42 cm) 995.80 68.90 Late-Maastrichtian 0.133 0.512717 0.000013 1.54 2.23 0.26 1276A, 24-4 (2-4 cm) 1016.12 74.79 Campanian 0.124 0.512104 0.000015 -10.33 -9.73 0.29 1276A, 24-5 (6-10 cm) 1017.66 75.50 Campanian 0.133 0.512181 0.000015 -8.91 -8.24 0.29