Geochemical Fossils in Crude Oils and Sediments as Indicators of Depositional Environment and Geological History
Geochemical fossils are biological markers that can convey information about the types of organisms contributing to the organic matter incorporated in sediments. Thus, they can be used for characterization, correlation, and/or reconstitution of the depositional environment, in the same manner as macro- or microfossils are commonly used by geologists. However, it should be remembered that aside from geochemical fossils, also other molecules may be used for correlation, provided they are characteristic enough.
KeywordsPhytoplankton Hydrocarbon Microbial Degradation Cretaceous Carotenoid
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