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Emeis, Kay-Christian; Mycke, Bernd; Richnow, H-H; Spitzy, Alejandro; Degens, Egon T (1987): Organic carbon and nitrogen, sediment composition, and clay mineralogy of Deep Sea Drilling Project Site 603, western Atlantic Ocean [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.789311, Supplement to: Emeis, K-C et al. (1987): Organic carbon and nitrogen, sediment composition, and clay mineralogy of Deep Sea Drilling Project Site 603, western Atlantic Ocean. In: van Hinte, JE; Wise, SW Jr; et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Govt. Printing Office), 93, 1245-1256, https://doi.org/10.2973/dsdp.proc.93.156.1987

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Published: 1987 (exact date unknown) • DOI registered: 2012-10-30

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Abstract:
Sediment and interstitial water samples recovered during DSDP Leg 93 at Site 603 (lower continental rise off Cape Hatteras) were analyzed for a series of geochemical facies indicators to elucidate the nature and origin of the sedimentary material. Special emphasis was given to middle Cretaceous organic-matter-rich turbidite sequences of Aptian to Turanian age.
Organic carbon content ranges from nil in pelagic claystone samples to 4.2% (total rock) in middle Cretaceous carbonaceous mudstones of turbiditic origin. The organic matter is of marine algal origin with significant contributions of terrigenous matter via turbidites. Maturation indices (vitrinite reflectance) reveal that the terrestrial humic material is reworked. Maturity of autochthonous material (i.e., primary vitrinite) falls in the range of 0.3 to 0.6% Carbohydrate, hydrocarbon, and microscopic investigations reveal moderate to high microbial degradation. Unlike deep-basin black shales of the South and North Atlantic, organic-carbon-rich members of the Hatteras Formation lack trace metal enrichment. Dissolved organic carbon (DOC) in interstitial water samples ranges from 34.4 ppm in a sandstone sample to 126.2 ppm in an organic-matter-rich carbonaceous claystone sample. One to two percent of DOC is carbohydratecarbon.
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Median Latitude: 35.494871 * Median Longitude: -70.028521 * South-bound Latitude: 35.494300 * West-bound Longitude: -70.029267 * North-bound Latitude: 35.495267 * East-bound Longitude: -70.028300
Date/Time Start: 1983-05-05T00:00:00 * Date/Time End: 1983-05-05T00:00:00
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
8 datasets

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Datasets listed in this publication series

  1. Emeis, K-C; Mycke, B; Richnow, H-H et al. (1987): (Table 6) Distribution of carbohydrates in interstitial water at DSDP Hole 93-603 and 93-603B. https://doi.org/10.1594/PANGAEA.789297
  2. Emeis, K-C; Mycke, B; Richnow, H-H et al. (1987): (Table 5) Dissolved organic carbon in interstitial water at DSDP Holes 93-603 and 93-603B. https://doi.org/10.1594/PANGAEA.789296
  3. Emeis, K-C; Mycke, B; Richnow, H-H et al. (1987): (Table 1) Lithology at DSDP Holes 93-603 and 93-603B. https://doi.org/10.1594/PANGAEA.789288
  4. Emeis, K-C; Mycke, B; Richnow, H-H et al. (1987): (Table 4) Distribution of carbohydrates in sediments at DSDP Holes 93-603 and 93-603B. https://doi.org/10.1594/PANGAEA.789293
  5. Emeis, K-C; Mycke, B; Richnow, H-H et al. (1987): (Table 2A) Geochemistry at DSDP Hole 93-603. https://doi.org/10.1594/PANGAEA.789289
  6. Emeis, K-C; Mycke, B; Richnow, H-H et al. (1987): (Table 8) Characteristics of hydrocarbon extracts at DSDP Site 93-603. https://doi.org/10.1594/PANGAEA.789310
  7. Emeis, K-C; Mycke, B; Richnow, H-H et al. (1987): (Table 2B) Geochemistry at DSDP Hole 93-603B. https://doi.org/10.1594/PANGAEA.789290
  8. Emeis, K-C; Mycke, B; Richnow, H-H et al. (1987): (Table 7) Vitrinite reflectance at DSDP Hole 93-603B. https://doi.org/10.1594/PANGAEA.789308