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Kagami, Hideo; Ishizuka, Toshio; Aoki, Saburo (1983): Geochemistry and mineralogy of selected carbonaceous claystones at DSDP Hole 76-534 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.809830, Supplement to: Kagami, H et al. (1983): Geochemistry and mineralogy of selected carbonaceous claystones in the lower Cretaceous from the Blake-Bahama Basin, North Atlantic. In: Sheridan, RE; Gradstein, FM; et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Govt. Printing Office), 76, 429-436, https://doi.org/10.2973/dsdp.proc.76.112.1983

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Abstract:
Four dominant depositions of carbonaceous claystones are recognized to have occurred during the early Aptian to middle Albian at Site 534. There are correlations of stable isotope ratios with organic carbon content and of clay content with clay mineralogy of the samples. Almost all organic carbon in these sequences has very negative terrestrial isotope ratios, and the clay of that age indicates predominance of aluminous montmorillonite, which is thought to be of terrigenous origin. It is suggested that development of coastal vegetation belts and deltaic outbuilding with consequent outpouring of land-plant detritus and terrigenous elastics into the deep basins probably led to formation of the "black shale" facies.
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Latitude: 28.343300 * Longitude: -75.381700
Date/Time Start: 1980-10-21T00:00:00 * Date/Time End: 1980-10-21T00:00:00
Event(s):
76-534 * Latitude: 28.343300 * Longitude: -75.381700 * Date/Time: 1980-10-21T00:00:00 * Elevation: -4973.0 m * Penetration: 87.5 m * Recovery: 2.1 m * Location: North Atlantic/BASIN * Campaign: Leg76 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 1 cores; 2 m cored; 0 m drilled; 105 % 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. Kagami, H; Ishizuka, T; Aoki, S (1983): (Table 2) Major elements at DSDP Hole 76-534. https://doi.org/10.1594/PANGAEA.809829
  2. Kagami, H; Ishizuka, T; Aoki, S (1983): (Table 1) Organic carbon, δ¹³C, CaCO3 and water in rock at DSDP Hole 76-534. https://doi.org/10.1594/PANGAEA.809828