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Meyers, Philip A; Bernasconi, Stefano M (2006): Carbon and nitrogen composition and isotope ratios of bulk and decarbonated sediments from ODP Leg 207 sites [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.776016, Supplement to: Meyers, PA; Bernasconi, SM (2006): Data report: Organic carbon, total nitrogen, carbonate carbon, and carbonate oxygen isotopic compositions of Albian to Santonian black shales from Sites 1257-1261 on the Demerara Rise. In: Mosher, DC; Erbacher, J; Malone, MJ (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 207, 1-13, https://doi.org/10.2973/odp.proc.sr.207.106.2006

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Abstract:
Organic carbon, total nitrogen, carbonate carbon, and carbonate oxygen isotopic compositions were measured for 95 samples selected from the black shale sequences drilled during Ocean Drilling Program Leg 207 on the Demerara Rise. Most samples have organic d13C values smaller than -27 per mil, with the exception of several samples that have values between -24.9 per mil and -23.9 per mil that may correspond to oceanic anoxic events. Bulk d15N values range between -4.2 per mi and +4.4 per mil and become smaller as organic carbon concentrations increase. Comparison of the d15N values of nondecarbonated samples to their decarbonated analogs reveals no systematic effect of the acid treatment used in the decarbonation.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: 9.353841 * Median Longitude: -54.456719 * South-bound Latitude: 9.048617 * West-bound Longitude: -54.733050 * North-bound Latitude: 9.453633 * East-bound Longitude: -54.199517
Date/Time Start: 2003-01-15T00:00:00 * Date/Time End: 2003-10-28T10:10:00
Event(s):
207-1257 * Latitude: 9.453633 * Longitude: -54.341783 * Date/Time Start: 2003-01-15T00:00:00 * Date/Time End: 2003-01-22T00:00:00 * Elevation: -2951.0 m * Penetration: 747.9 m * Recovery: 428.9 m * Location: South Atlantic Ocean * Campaign: Leg207 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 74 cores; 625.9 m cored; 122 m drilled; 68.5 % recovery
207-1257C * Latitude: 9.453430 * Longitude: -54.341580 * Date/Time Start: 2003-01-21T13:20:00 * Date/Time End: 2003-01-22T15:30:00 * Elevation: -2951.0 m * Penetration: 235.9 m * Recovery: 96.6 m * Location: South Atlantic Ocean * Campaign: Leg207 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 16 cores; 153.9 m cored; 82 m drilled; 62.8 % recovery
207-1258 * Latitude: 9.433333 * Longitude: -54.733050 * Date/Time Start: 2003-01-22T00:00:00 * Date/Time End: 2003-02-01T00:00:00 * Elevation: -3192.2 m * Penetration: 1393.4 m * Recovery: 882.7 m * Location: South Atlantic Ocean * Campaign: Leg207 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 141 cores; 1116.6 m cored; 276.8 m drilled; 79 % recovery
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
2 datasets

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Datasets listed in this publication series

  1. Meyers, PA; Bernasconi, SM (2006): (Table T2) Composition and isotope ratios of organic carbon, nitrogen and carbonate in ODP Leg 207 sediments. https://doi.org/10.1594/PANGAEA.776015
  2. Meyers, PA; Bernasconi, SM (2006): (Table T1) Stable nitrogen isotope ratios in bulk and decarbonated sediments from ODP Leg 207. https://doi.org/10.1594/PANGAEA.776014