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Petroleum associated with polymetallic sulfide in sediment from Gorda Ridge

Science

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Abstract

A sediment sample, impregnated with asphaltic petroleum and polymetallic sulfide, was dredged from the southern end of Gorda Ridge (the Escanaba Trough) off northern California, within the offshore Exclusive Economic Zone of the United States. The molecular distributions of hydrocarbons in this petroleum show that it was probably derived from terrestrial organic matter in turbidite sediment filling the Escanaba Trough. Hydrothermal activity at the Gorda Ridge spreading center provided the heat for petroleum formation and was the source of fluids for sulfide mineralization.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Petroleum associated with polymetallic sulfide in sediment from Gorda Ridge
Series title:
Science
Volume
234
Issue:
4781
Year Published:
1986
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
1231
Last page:
1234
Number of Pages:
4