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Filtering by: Subject Isotope geology -- Oregon -- Columbia County

The Mist gas field, N.W. Oregon : source rock characterization and stable isotope (C,H,N) geochemistry

Creator:

Stormberg, Gregory J.

Resource Type:

Masters Thesis
Surface-subsurface geology of the middle to upper Eocene sedimentary and volcanic rock units, western Columbia County, northwest Oregon

Creator:

Berkman, Thomas Anthony

Abstract:

The middle to upper Eocene Tillamook Volcanics form the basement in the Rock Creek - Rocky Point area. These tholeiitic to alkalic basalts, basaltic andesites, and andesites were erupted as shield volcanoes seaward of the strandline ontop of an older deep-marine mudstone unit (Yamhill Formation) and an accreted portion of...

Resource Type:

Masters Thesis
Stratigraphy, structure, and natural gas potential of tertiary sedimentary and volcanic units, Clatskanie 7.5 minute quadrangle, Northwest Oregon

Creator:

Eriksson, Andrew

Abstract:

The geology and natural gas potential of the Clatskanie 7.5-minute quadrangle in Columbia County, Oregon was studied utilizing a combination of geologic mapping, measuring of stratigraphic sections, diatom and molluscan fossil identifications, with subsurface geophysical data and petrographic and geochemical analyses. The stratigraphy of the study area consists of two...

Resource Type:

Masters Thesis
The Ore bin ; Vol. 33 No. 7 (July 1971)

Creator:

Oregon. Dept. of Geology and Mineral Industries, Newcomb, Reuben Clair, 1909-, and Gray, Jane, 1931-

Resource Type:

Journal

Full Text:

geology and mineral resources, eastern Klamath County & western Lake County, Oregon, 1970: Peterson