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Petroleum source potential of rocks dredged from the continental slope in the eastern Gulf of Alaska

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Petroleum source potential of rocks dredged from the continental slope in the eastern Gulf of Alaska; 1979; OFR; 79-295; Plafker, George; Claypool, George Edwin

Summary

A bedrock dredging program by the R/V Sea Sounder in 1977 and 1978 along the continental slope in the eastern Gulf of Alaska revealed a previously unknown Eocene sedimentary sequence that includes argillaceous rocks with favorable petroleum source rock characteristics. Seven of 36 dredge hauls that sampled outcrop contain argillaceous rocks with more than l percent and as much as 1.64 percent organic carbon. Some of the rocks in samples of probable early Eocene age have undergone a thermal history that has resulted in generation of hydrocarbons. The organic matter appears to be hydrogen deficient, however, which could indicate that the rocks are more likely to be a source of gas rather than liquid hydrocarbon, unless the hydrogen loss [...]

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Type Scheme Key
local-index unknown ofr79295
local-pk unknown 10702
series unknown Open-File Report

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journalOpen-File Report
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languageENGLISH
citationTypeReport

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