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Filtering by: Subject Geology -- Oregon -- Gilliam County Decade 1990-1999

Geology and hydrothermal mineralization in the vicinity of Rocky Top, Marion County, Oregon

Creator:

Curless, John M.

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
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
The oligocene and miocene geology of the Tillamook embayment Tillamook County, northwest Oregon

Creator:

Parker, Michael J. (Michael John), 1958-

Abstract:

Eleven sedimentary and volcanic rock units are mapped and described in the thesis area, and chronicle the dynamic geologic history of the Tillamook embayment from the Oligocene through the middle Mlocene. The oldest unit is the Zemorrian to early Saucesian Smuggler Cove formation, a bathyal tuffaceous mudstone with some thin-...

Resource Type:

Masters Thesis
Geology and mineralization of the Ochoco gold prospect, Crook County, Oregon

Creator:

Willis, Dana C.

Resource Type:

Masters Thesis