# Osmium isotope variations across the K-Pg boundary in the Indian Ocean and Southern Ocean #----------------------------------------------------------------------- # 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/22810 # Description: NOAA Landing Page # Online_Resource: https://www1.ncdc.noaa.gov/pub/data/paleo/paleocean/by_contributor/zaiss2014/zaiss2014-odp738.txt # Description: NOAA location of this template # # Archive: Paleoceanography # # Dataset DOI: # # Parameter_Keywords: radiogenic isotopes, geochemistry #--------------------------------------- # Contribution_Date # Date: 2017-10-16 #--------------------------------------- # File_Last_Modified_Date # Date: 2017-10-16 #--------------------------------------- # Title # Study_Name: Osmium isotope variations across the K-Pg boundary in the Indian Ocean and Southern Ocean #--------------------------------------- # Investigators # Investigators: Zaiss, Jessica; Ravizza, Greg #--------------------------------------- # Description_Notes_and_Keywords # Description: # Provided Keywords: Osmium Isotope, Cretaceous-Paleogene #--------------------------------------- # Publication # Authors: Zaiss, Jessica # Published_Date_or_Year: 2014 # Published_Title: Osmium Geochemical Behavior and Global Isotopic Changes Associated with the Cretaceous-Paleogene Impact # Journal_Name: MS Thesis # Volume: # Edition: # Issue: # Pages: # Report Number: # DOI: # Online_Resource: http://www.soest.hawaii.edu/GG/resources/theses/J.%20Zaiss%20Thesis.pdf # Full_Citation: # Abstract: #--------------------------------------- # Funding_Agency # Funding_Agency_Name: NSF # Grant: 1061061 #--------------------------------------- # Site Information # Site_Name: ODP 738C # Location: Southern Ocean/Indian Sector # Country: # Northernmost_Latitude: -62.709 # Southernmost_Latitude: -62.709 # Easternmost_Longitude: 82.7875 # Westernmost_Longitude: 82.7875 # Elevation: -2252.5 #--------------------------------------- # Data_Collection # Collection_Name: ODP738C Osmium Zaiss2014 # First_Year: 69160000 # Last_Year: 63940000 # Time_Unit: cal yr BP # Core_Length: # Notes: #--------------------------------------- # Chronology_Information # Chronology: # Ages calculated relative to 66.04 MA for the K-Pg boundary assuming constant sedimentation rates of 2.2 m/MY and 11 m/MY, above and below the K-Pg boundary, repsectively. # Sedimentation Rates Estimates are based upon planktonic foraminiferal biostratigraphy. See citation below. # Datum Depth (mbsf) Age (MA) # FAD P. inconstans (AP1c -base) 372.05 64.115 # FAD G. compressa (AP1c - base) 373.49 64.115 # FAD S. triloculinoides (AP1b base) 374.485 65.47 # FAD G. daubjergensis (AP1 base) 376.805 65.8 # K-Pg (Theirstein et al. 91) 377.16 66.04 # LAD A. mayaoensis 378.3 66.3 # FAD A. mayaoensis 410.385 69.12 # # Huber, B., Quillévéré, F., 2005. Revised Paleogene planktonic foraminiferal biozonation for the Austral realm. Journal of Foraminiferal Research, 35: 299-314. NaN NaN # #--------------------------------------- # Variables # Data variables follow that are preceded by "##" in columns one and two. # Variables list, one per line, shortname-tab- 10 components: what, material, error, units, seasonality, archive, detail, method, C or N for Character or Numeric data,additional info ## depth_mbsf depth,,,meter,,,,,N,meters below seafloor ## age_calyrBP age,,,calendar year before present,,,,,N, ## 187/188Os_bulk 187Os/188Os,bulk sediment,,atom ratio,,,,inductively coupled plasma mass spectrometer,N,Bulk Sediment Digestion by Carius Tube ## 187/188Os_bulk_2se 187Os/188Os,bulk sediment,two standard error of the mean,atom ratio,,,,inductively coupled plasma mass spectrometer,N,Bulk Sediment Digestion by Carius Tube ## Bulk_Os osmium,bulk sediment,,picograms/gram sediment,,,,inductively coupled plasma mass spectrometer,N,by isotope dilution ## Bulk_Os_2se osmium,bulk sediment,two standard error of the mean,picograms/gram sediment,,,,inductively coupled plasma mass spectrometer,N,by isotope dilution ## 187/188Os_leach 187Os/188Os,sediment leachate,,atom ratio,,,,inductively coupled plasma mass spectrometer,N,Decarbonation by cold drop-wise addition of ˜4N HNO3 followed by centrifugtion and Carius tube digestion ## 187/188Os_leach_2se 187Os/188Os,sediment leachate,two standard error of the mean,atom ratio,,,,inductively coupled plasma mass spectrometer,N,Decarbonation by cold drop-wise addition of ˜4N HNO3 followed by centrifugtion and Carius tube digestion ## Leach_Os leachable osmium,bulk sediment,,picograms/gram sediment,,,,inductively coupled plasma mass spectrometer,N,by isotope dilution ## Leach_Os_2se leachable osmium,bulk sediment,two standard error of the mean,picograms/gram sediment,,,,inductively coupled plasma mass spectrometer,N,by isotope dilution ## notes notes,,,,,,,,C,ODP Core-sections-depth in section designation #------------------------ # Data # Data lines follow (have no #) # Data line format - tab-delimited text, variable short name as header # Missing Value: depth_mbsf age_calyrBP 187/188Os_bulk 187/188Os_bulk_2se Bulk_Os Bulk_Os_2se 187/188Os_leach 187/188Os_leach_2se Leach_Os Leach_Os_2se notes 372.55 63940000 0.3268 0.0068 50.6 0.12 0.3359 0.0046 23.9 0.013 20R 2 83.5-85.5 372.72 64020000 0.3224 0.0056 49.51 0.27 0.3337 0.0046 26 0.17 20R 2 100-102 372.92 64110000 0.3094 0.0039 77.58 0.39 0.335 0.0052 27.31 0.61 20R 2 120-122 373.12 64200000 0.3157 0.0059 25.55 0.18 0.3273 0.006 21.26 0.07 20R 2 140-142 373.26 64270000 0.3165 0.0054 61.26 0.44 0.3207 0.0143 20.6 1.06 20R 3 6-8 373.44 64350000 0.3163 0.0058 52.96 0.2 0.3265 0.0047 24.78 0.06 20R 3 24-26 373.66 64450000 0.3135 0.0055 54 0.3 0.3574 0.0597 23.43 0.18 20R 3 46-48 373.85 64540000 0.3139 0.0044 71.5 0.22 0.3227 0.0055 24.54 0.84 20R 3 65-67 374.08 64640000 0.3076 0.0054 62.49 0.31 0.3185 0.004 28.95 0.08 20R 3 88-90 374.2 64690000 0.3094 0.0053 60.9 1.01 0.3219 0.0032 36.84 0.21 20R 3 100-102 374.4 64790000 0.2609 0.009 58.97 0.3 -999 -999 -999 -999 20R 3 120-122 374.58 64870000 0.2664 0.0064 55.38 0.34 0.2882 0.0045 22.75 0.07 20R 3 138-140 374.75 64940000 0.2503 0.0081 62.47 0.25 0.2794 0.0048 27.2 0.1 20R 4 5-7 374.95 65040000 0.2503 0.0081 60.89 0.21 -999 -999 -999 -999 20R 4 25-27 375.12 65110000 0.2923 0.0026 50.67 0.11 0.2802 0.004 30.53 0.09 20R 4 42-44 375.13 65120000 0.2408 0.0017 112.02 2.14 -999 -999 -999 -999 20R 4 43-45 375.25 65170000 0.2919 0.0023 51.47 0.13 0.2719 0.0055 26.94 0.1 20R 4 55-57 375.37 65230000 0.2864 0.0019 51.23 0.14 0.2929 0.0035 27.37 0.09 20R 4 67-69 375.45 65260000 0.2589 0.0021 65.89 0.21 0.2955 0.0035 -999 -999 20R 4 75-77 375.55 65310000 0.286 0.0025 58.12 0.15 -999 -999 -999 -999 20R 4 85-87 375.65 65350000 0.2807 0.0021 58.45 0.19 -999 -999 -999 -999 20R 4 95-97 375.75 65400000 0.2829 0.0026 65.69 0.34 -999 -999 -999 -999 20R 4 105-107 375.87 65450000 0.2744 0.002 63.21 0.18 -999 -999 -999 -999 20R 4 117-119 375.97 65500000 0.2786 0.0021 76.35 0.35 -999 -999 -999 -999 20R 4 127-129 376.06 65540000 0.2783 0.0015 82.34 0.16 -999 -999 -999 -999 20R 4 136-138 376.17 65590000 0.2713 0.0017 85 0.3 -999 -999 -999 -999 20R 4 147-149 376.33 65660000 0.274 0.0018 84.44 0.158 -999 -999 -999 -999 20R 5 3-5 376.36 65680000 0.2658 0.0026 92.18 0.46 -999 -999 -999 -999 20R 5 13-15 376.45 65720000 0.2602 0.0011 88.46 0.19 -999 -999 -999 -999 20R 5 25.5-27.5 376.55 65760000 0.2518 0.0011 97.76 0.15 -999 -999 -999 -999 20R 5 35-37 376.74 65850000 0.2451 0.0013 117.49 0.24 -999 -999 -999 -999 20R 5 54-56 376.87 65910000 0.2078 0.0011 191.37 0.48 -999 -999 -999 -999 20R 5 67-69 376.95 65940000 0.1953 0.0011 213.79 0.56 -999 -999 -999 -999 20R 5 75-77 377.02 65980000 0.1804 0.007 404.97 0.56 -999 -999 -999 -999 20R 5 82-83 377.05 65990000 0.1806 0.0007 454.24 0.62 -999 -999 -999 -999 20R 5 85-86 377.08 66000000 0.1716 0.0005 749.63 6.22 -999 -999 -999 -999 20R 5 88-89 377.11 66020000 0.1716 0.0005 765.1 1.43 -999 -999 -999 -999 20R 5 91-92 377.13 66030000 0.1712 0.0006 947.74 2.01 -999 -999 -999 -999 20R 5 93-94 377.15 66040000 0.1678 0.0006 1061.83 1.21 -999 -999 -999 -999 20R 5 95-96 377.16 66040000 0.169 0.0007 1172.72 3.13 -999 -999 -999 -999 20R 5 96-96.2 377.17 66040000 0.1699 0.0006 2056.61 3.93 -999 -999 -999 -999 20R 5 96.2-97 377.18 66040000 0.17 0.0006 1501.74 5.44 -999 -999 -999 -999 20R 5 97-98 377.19 66040000 0.1742 0.0005 1200.4 2.11 -999 -999 -999 -999 20R 5 98-99 377.2 66040000 0.1778 0.0007 901.61 1.13 -999 -999 -999 -999 20R 5 99-100 377.21 66040000 0.1786 0.0005 558.52 1.06 -999 -999 -999 -999 20R 5 100-101 377.22 66050000 0.1788 0.0014 579.34 2.32 -999 -999 -999 -999 20R 5 101-102 380.02 66300000 0.3572 0.0126 78.51 0.35 -999 -999 -999 -999 21R 1 12-13 389.85 67190000 0.6205 0.0267 47.32 0.35 -999 -999 -999 -999 22R 1 25-26 399.51 68070000 0.6289 0.0311 33.69 0.18 -999 -999 -999 -999 23R 1 30.5-31.5 411.52 69160000 0.6335 0.0245 40.16 0.27 -999 -999 -999 -999 24R 2 111-112