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Erbacher, Jochen; Friedrich, Oliver; Wilson, Paul A; Birch, Heather; Mutterlose, Jörg (2005): Stable organic carbon isotope record and total organic carbon content from the Cenomanian-Turonian boundary [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.768350, Supplement to: Erbacher, J et al. (2005): Stable organic carbon isotope stratigraphy across Oceanic Anoxic Event 2 of Demerara Rise, western tropical Atlantic. Geochemistry, Geophysics, Geosystems, 6(6), 1-9, https://doi.org/10.1029/2004GC000850

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Abstract:
Ocean Drilling Program (ODP) Leg 207 recovered expanded sections of organic-carbon-rich laminated shales on Demerara Rise (western tropical Atlantic). High-resolution organic carbon isotope and total organic carbon (TOC) records are presented, which span the Cenomanian-Turonian boundary interval (CTBI), including the Oceanic Anoxic Event (OAE) 2, from four sites oriented along a NW striking depth transect. These records represent the first high-resolution carbon isotope records across OAE 2 from the South American margin of the tropical Atlantic. Due to the scarcity of age significant fossils, the main purpose of this study was to develop a detailed carbon isotope stratigraphy in order to correlate the CTBI across the depth transect and to tie this to biostratigraphically well-defined sections in the Western Interior Basin (Pueblo, USA), boreal shelf seas (Eastbourne, England), and western Tethys (Oued Mellegue, Tunisia). All four sections studied document a 6 per mil increase of d13Corg values at the base of the CTBI, which is followed by an interval of elevated d13Corg values and a subsequent decrease. Our results supply an important stratigraphic base for subsequent paleoceanographic studies on Late Cenomanian to Early Turonian sediments from Demerara Rise and elsewhere.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: 9.261899 * Median Longitude: -54.448611 * South-bound Latitude: 9.048617 * West-bound Longitude: -54.733050 * North-bound Latitude: 9.433333 * East-bound Longitude: -54.199960
Date/Time Start: 2003-01-22T00:00:00 * Date/Time End: 2003-02-23T00:00:00
Event(s):
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
207-1259A * Latitude: 9.299980 * Longitude: -54.199960 * Date/Time Start: 2003-02-01T12:08:00 * Date/Time End: 2003-02-04T02:55:00 * Elevation: -2353.8 m * Penetration: 558.8 m * Recovery: 372.13 m * Location: South Atlantic Ocean * Campaign: Leg207 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 60 cores; 558.8 m cored; 0 m drilled; 66.6 % recovery
207-1260 * Latitude: 9.265667 * Longitude: -54.544033 * Date/Time Start: 2003-02-07T00:00:00 * Date/Time End: 2003-02-12T00:00:00 * Elevation: -2548.8 m * Penetration: 1000.9 m * Recovery: 718.1 m * Location: South Atlantic Ocean * Campaign: Leg207 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 100 cores; 862.2 m cored; 138.7 m drilled; 83.3 % recovery
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
4 datasets

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Datasets listed in this publication series

  1. Erbacher, J; Friedrich, O; Wilson, PA et al. (2005): Stable organic carbon isotope ratios and total organic carbon content from the Cenomanian-Turonian boundary interval of ODP Site 207-1258. https://doi.org/10.1594/PANGAEA.768346
  2. Erbacher, J; Friedrich, O; Wilson, PA et al. (2005): Stable organic carbon isotope ratios and total organic carbon content from the Cenomanian-Turonian boundary interval of ODP Hole 207-1259A. https://doi.org/10.1594/PANGAEA.768347
  3. Erbacher, J; Friedrich, O; Wilson, PA et al. (2005): Stable organic carbon isotope ratios and total organic carbon content from the Cenomanian-Turonian boundary interval of ODP Site 207-1260. https://doi.org/10.1594/PANGAEA.768348
  4. Erbacher, J; Friedrich, O; Wilson, PA et al. (2005): Stable organic carbon isotope ratios and total organic carbon content from the Cenomanian-Turonian boundary interval of ODP Site 207-1261. https://doi.org/10.1594/PANGAEA.768349