Accumulation rates and composition of organic matter in sediments off Peru, supplement to: ten Haven, H Lo; Littke, Ralf; Rullkötter, Jürgen; Stein, Ruediger; Welte, Dietrich Hugo (1990): Accumulation rates and composition of organic matter in late Cenozoic sediments underlying the active upwelling area off Peru. In: Suess, E; von Huene, R; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 112, 591-606

H Lo ten Haven, Ralf Littke, Jürgen Rullkötter, Ruediger Stein & Dietrich Hugo Welte
Deep-sea sediment samples from three Ocean Drilling Program (ODP) Leg 112 sites on the Peru continental margin were investigated, using a number of organic geochemical and organic petrographic techniques, for amounts and compositions of the organic matter preserved. Preliminary results include mass accumulation rates of organic carbon at Site 679 and characteristics of the organic facies for sediments from Sites 679, 681, and 684.Organic-carbon contents are high, with few exceptions. Particularly high values were determined...
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