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Deepwater Gulf of Mexico Seep Study — Phases I and II

With the increasing number of seeps sampled, questions arose regarding the nature and thermal maturity of the hydrocarbon source rocks. In 1989 and 1990, the Deep Gulf Seep Study analyzed biomarker distributions and other geochemical properties in 47 piston cores collected in earlier studies, which exhibited varying levels of thermogenic hydrocarbons.

The results confirmed that seep hydrocarbons over a wide portion of the central and western deep-water Gulf originate from marl to carbonate source rocks. The limits on data interpretation introduced by interference from non-petroleum biomarker compounds that occur naturally in the seafloor sediments were also noted.

Deliverables for this study include PDF images of data volumes with the results of bulk parameter and biomarker analyses.

Deepwater Gulf of Mexico Seep Study — Phases I and II
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