# Osmium isotope variations across the K-Pg boundary in the Indian Ocean and Southern Ocean
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#               World Data Service for Paleoclimatology, Boulder
#                                   and
#                      NOAA Paleoclimatology Program
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# 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.
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# Description/Documentation lines begin with #
# Data lines have no #
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# 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-odp761.txt
#      Description: NOAA location of this template
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# Archive: Select one
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# Dataset DOI:
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# Parameter_Keywords: Paleoceanography
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# Contribution_Date
#    Date: 2017-10-16
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# File_Last_Modified_Date
#    Date: 2017-10-16
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# Title
#    Study_Name: Osmium isotope variations across the K-Pg boundary in the Indian Ocean and Southern Ocean
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# Investigators
#      Investigators: Zaiss, Jessica; Ravizza, Greg
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# Description_Notes_and_Keywords
#        Description: radiogenic isotopes, geochemistry
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# 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: 
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# Funding_Agency
#    Funding_Agency_Name: NSF
#    Grant: 1061061
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# Site Information
# Site_Name: ODP 761C
# Location: Indian Ocean
# Country: 
# Northernmost_Latitude: -16.737167
# Southernmost_Latitude: -16.737167
# Easternmost_Longitude: 115.535
# Westernmost_Longitude: 115.535
# Elevation: -2167.9
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# Data_Collection
#   Collection_Name: ODP761C Osmium Zaiss2014
#   First_Year: 66110000
#   Last_Year: 64880000
#   Time_Unit: cal yr BP
#   Core_Length: 
#   Notes: 
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# Chronology_Information 
# Chronology: 
# Ages are estimated by linear interpolation between magnetic reversals with K-Pg set at 66.04 MA.
# Datum	Depth (mbsf)	Age (MA)	MY/m	
# C29n top	170.525	64.96	0.358662613981769	C29n top to C29n base	
# c29r/c29n	172.17	65.55	NaN  NaN	
# k-pg	172.42	66.04	3.67647058823529E-02	K-Pg to C29r base	
# c29r base*	179.22	66.29	NaN  NaN	
# 
# * Depth of the the base of C29r in ODP 761C is calculated	NaN  NaN	NaN	NaN	
# assuming the sediment thinckness between K-Pg boundary	NaN  NaN	NaN	NaN	
# & the base of C29r is identical to the equivalent interval on ODP 761B.	NaN  NaN	NaN	NaN	
# See Rocchia, et al. (1992) Iridium and Other Element Distributions, Mineralogy, and Magnetostratigraphy Near the Cretaceous/Tertiary Boundary in Hole 761C. In von Rad, U. Haq, B.U. et al. Proc. ODP, Sci. Results, 122: 753-762.	NaN  NaN	NaN	NaN	
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# 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
## notes	notes,,,,,,,,C,ODP core-section-depth designation
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# 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	notes	
170.30	64880000	0.4976	0.0075	41.54	0.71	3R 1 60.5-61.5	
171.10	65160000	0.4534	0.0080	36.65	0.45	3R 1 140-141	
171.26	65220000	0.4366	0.0029	45.27	0.24	3R 2 6-7	
171.46	65290000	0.4314	0.0028	45.07	0.28	3R 2 26-27	
171.69	65380000	0.4008	0.0026	85.65	0.28	3R 2 49-50	
171.87	65440000	0.4002	0.0023	56.36	0.24	3R 3 16-17	
172.12	65530000	0.4049	0.0026	51.50	0.28	3R 3 41-42	
172.61	66050000	0.3006	0.0044	46.31	0.96	3R 3 90-91	
172.86	66060000	0.2956	0.0022	50.36	0.27	3R 3 115-116	
173.03	66060000	0.3326	0.0023	38.26	0.28	3R 3 132-133	
173.27	66070000	0.3507	0.0032	35.33	0.27	3R 4 5-6	
173.41	66080000	0.3742	0.0046	29.68	0.31	3R 4 19-20	
173.83	66090000	0.3843	0.0052	27.42	0.44	3R 4 61-62	
174.22	66110000	0.4529	0.0103	21.79	0.88	3R 4 100-101