Geochemistry and stable carbon isotope composition of kerogen of DSDP Site 124-767, supplement to: Lallier-Verges, Elisabeth; Bertrand, Philippe; Desprairies, Alain; Berner, Ulrich (1991): Geochemical and optical investigations on degradation processes affecting organic matter in Celebes Basin sediments. In: Silver, EA; Rangin, C; von Breymann, MT; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 124, 239-247

Elisabeth Lallier-Verges, Philippe Bertrand, Alain Desprairies & Ulrich Berner
Celebes Basin sediments from Ocean Drilling Program Site 767 (Leg 124) containing both marine and terrestrial organic matter have been investigated through palynofacies and geochemical analyses. The main degradation processes affecting or having affected organic matter are recorded in the sedimentary column as shown by ammonium, phosphate and sulfate pore-water profiles, and by petrographic and geochemical analyses of sediments.In the upper part of the sedimentary section (down to 200 mbsf), the decrease of the ratio...
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