Organic carbon content/sedimentation rate relationship and its paleoenvironmental significance for marine sediments |
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Authors: | Ruediger Stein |
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Institution: | 1. Institut für Geowissenschaften und Lithosph?renforschung (IGL), Universit?t Giessen, Senckenbergstr. 3, 6300, Giessen, Germany
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Abstract: | Organic carbon content and sedimentation rate data may give information about the depositional environment of marine sediments.
For sediments deposited under oxic deep-water conditions, a positive correlation exists between organic carbon content and
sedimentation rate, with very high organic carbon values and high sedimentation rates typical for coastal upwelling areas.
Under anoxic deep-water conditions, no such correlation exists. This relationship between (marine) organic carbon and sedimentation
rate (the “OCSR diagram”) has been used to characterize the depositional environments of Deep-Sea Drilling Project/Ocean Drilling
Program (DSDP/ODP) sediments of Late Cenozoic and Cretaceous age. Furthermore, the results are compared with organic carbon/sulfur
data. |
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