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Gas hydrates from the continental slope, offshore Sakhalin Island, Okhotsk Sea

Geo-Marine Letters

By:
, , , ,
DOI: 10.1007/BF01204391

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Abstract

Ten gas-vent fields were discovered in the Okhotsk Sea on the northeast continental slope offshore from Sakhalin Island in water depths of 620-1040 m. At one vent field, estimated to be more than 250 m across, gas hydrates, containing mainly microbial methane (??13C = -64.3???), were recovered from subbottom depths of 0.3-1.2 m. The sediment, having lenses and bedded layers of gas hydrate, contained 30-40% hydrate per volume of wet sediment. Although gas hydrates were not recovered at other fields, geochemical and thermal measurements suggest that gas hydrates are present. ?? 1993 Springer-Verlag.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Gas hydrates from the continental slope, offshore Sakhalin Island, Okhotsk Sea
Series title:
Geo-Marine Letters
DOI:
10.1007/BF01204391
Volume
13
Issue:
1
Year Published:
1993
Language:
English
Publisher location:
Springer-Verlag
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
41
Last page:
48
Number of Pages:
8