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Hydrocarbon-bearing sandstone in the Upper Jurassic Naknek Formation on the south shore of Kamishak Bay

Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2013-1E

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Abstract

The presence of an active petroleum system in Kamishak Bay is demonstrated by an outcrop of hydrocarbon-bearing sandstone in the Upper Jurassic Naknek Formation near the south shore of the bay (fig. 1). The outcrop is about 140 km southwest of Homer on a small, unnamed island near the mouth of the Douglas River (fig. 17). The existence of this outcrop was kindly reported to us by Les Magoon (U.S. Geological Survey, emeritus), who also provided a topographic map showing its exact position. The outcrop was mentioned very briefly in publications by Magoon and others (1975, p. 19) and by Lyle and Morehouse (1977, p. E-1), but to our knowledge there are no detailed descriptions of this outcrop or its hydrocarbons in the published scientific literature.

Geospatial Extents

Additional Publication Details

Publication type:
Report
Publication Subtype:
State/Local Government Series
Title:
Hydrocarbon-bearing sandstone in the Upper Jurassic Naknek Formation on the south shore of Kamishak Bay
Series title:
Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report
Series number:
2013-1E
Year Published:
2013
Language:
English
Publisher:
Alaska Division of Geological and Geophysical Surveys
Contributing office(s):
Geology, Minerals, Energy and Geophysics Science Center
Description:
5 p.
Larger Work Type:
Report
Larger Work Subtype:
State/Local Government Series
Larger Work Title:
Overview of 2012 field studies: Upper Alaska Peninsula and west side of lower Cook Inlet, Alaska
First page:
19
Last page:
23
Country:
United States
State:
Alaska
Other Geospatial:
Douglas River;Kamishak Bay