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Filtering by: Subject Geology -- Oregon -- Astoria Committee Member Lillie, Robert

Surface-subsurface facies and distribution of the Eocene Cowlitz and Hamlet formations, northwest Oregon

Creator:

Robertson, Christina Lynn

Abstract:

Since 1979, over $114 million of natural gas has been produced at the Mist Gas Field, currently the only commercial gas field in the Pacific Northwest. In the Mist Gas Field, the sandstone-dominated Clark and Wilson member of the upper Eocene Cowlitz Formation is the reservoir and the overlying upper...

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
Extension and volcanism : tectonic development of the northwestern margin of the Basin and Range Province in southern Oregon

Creator:

Scarberry, Kaleb C.

Abstract:

The northwestern corner of the Basin and Range Province (NWBR) lies in southeast Oregon where extensive Late Miocene, mafic to bimodal basalt-rhyolite volcanism and extensional faults dominate a stark and arid landscape. Near Lake Abert, the Late Miocene volcanic section abuts Early Miocene, dominantly intermediate composition volcanoes at the Coleman...

Resource Type:

Dissertation

Full Text:

Northwestern Margin of the Basin and Range Province in Southern Oregon By Kaleb C. Scarberry