Geology of Norton Basin and continental shelf beneath northwestern Bering Sea, Alaska
- Geological Survey, Menlo Park, CA
The rocks that floor the Norton basin and the northwestern Bering Sea are most likely of Precambrian and Paleozoic age, like those rocks that crop out around the basin. A maximum of 6.5 km of mainly Cenozoic strata lie over basement in the basin. On the basis of the geometry of reflections in seismic data, it is believed alluvial fans to be present deep in the basin and to border major basement fault blocks. These fans are the lowest units of the basin fill in many areas and consist of uppermost Cretaceous or lower Paleogene, possibly coal- and volcanic-rich rocks. Mainly clastic nonmarine sedimentary rocks overlie the fan deposits. The Neogene and Quaternary basin rocks apparently were deposited in a marine environment.
- OSTI ID:
- 5469864
- Journal Information:
- Am. Assoc. Pet. Geol., Bull.; (United States), Journal Name: Am. Assoc. Pet. Geol., Bull.; (United States) Vol. 66:3; ISSN AAPGB
- Country of Publication:
- United States
- Language:
- English
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58 GEOSCIENCES
580100 -- Geology & Hydrology-- (-1989)
ALASKA
BERING SEA
CONTINENTAL MARGIN
CONTINENTAL SHELF
FEDERAL REGION X
GEOLOGIC FAULTS
GEOLOGIC HISTORY
GEOLOGIC STRUCTURES
GEOLOGY
NORTH AMERICA
PACIFIC OCEAN
ROCKS
SEAS
SEDIMENTARY BASINS
SEDIMENTARY ROCKS
SEISMOLOGY
SURFACE WATERS
USA