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Distribution of gas-charged sediment in Norton Sound and Chirikov Basin.

Geologie en Mijnbouw

By:
and

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Abstract

Numerous zone of anomalous acoustic resonses caused by gas in the subsurface sediment layers have been detected on seismic reflection records from Norton Sound and Chirikov Basin. The frequency and distribution of these zones suggest that as much as 7000km2 of the northeastern Bering Sea may be underlain by gas-charged sediment. Much of the gas is of shallow biogenic origin, having been generated in buried peat deposits. Seismic velocity beneath a large gas seep south of Nome decreases in the interval from 250 to 440m below the seafloor, where thermogenic gases of deeper origin are migrating upward along a system of basin margin faults.-from Authors

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Distribution of gas-charged sediment in Norton Sound and Chirikov Basin.
Series title:
Geologie en Mijnbouw
Volume
61
Issue:
1
Year Published:
1982
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Geologie en Mijnbouw
First page:
79
Last page:
89
Number of Pages:
11