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Hartung, Birgitta; Mukhopadhyay, Prasanta K; Rullkötter, Jürgen; Schaefer, Rainer G; Welte, Dietrich Hugo (1985): Petrography and geochemistry of organic matter at DSDP Holes 80-549 and 80-550B. PANGAEA, https://doi.org/10.1594/PANGAEA.808044, Supplement to: Hartung, B et al. (1985): Petrography and geochemistry of organic matter in Cretaceous sediments from the Goban Spur, Deep Sea Drilling Project Leg 80. In: De Graciansky, PC; Poag, CW; et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Gov. Printing Office), 80, 983-991, https://doi.org/10.2973/dsdp.proc.80.145.1985

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Abstract:
Three lower Barremian to middle/upper Cenomanian samples from DSDP Hole 549 and three lower Cenomanian to lower Maestrichtian samples from DSDP Hole 550B were investigated by organic geochemical and organic petrographic methods. The samples came from wells drilled in the area of the Goban Spur in the northeastern Atlantic; they represent gray to greenish gray carbonaceous mud or siltstones from the deeper parts of the Cretaceous sequences penetrated and light-colored chalks from the shallower ones.
The total amount of organic carbon is below 1% in all samples; it is especially low in the Cenomanian to Maestrichtian chalks. Terrigenous organic matter predominates; only the Barremian sample shows a moderate number of marine phytoclasts. As indicated by several parameters, the maturity of the organic matter is low, corresponding to about 0.4% vitrinite reflectance.
Project(s):
Coverage:
Median Latitude: 48.945000 * Median Longitude: -13.183175 * South-bound Latitude: 48.516000 * West-bound Longitude: -13.438700 * North-bound Latitude: 49.088000 * East-bound Longitude: -13.098000
Date/Time Start: 1981-06-15T00:00:00 * Date/Time End: 1981-06-30T00:00:00
Size:
2 datasets

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