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Geology and mineralization of the north part of the Washougal Mining District, Skamania County, Washington

Creator:: Schriener, Alexander
Abstract:: The Washougal Mining District is approximately 50 km (30 miles) northeast of Vancouver, Washington, along the western slopes of the Cascade Range. Although the district has produced the unostentatious amount of $572 in metals since 1903, the presence of porphyritic intrusions, hydrothermal alteration, breccia pipes, and base-metal mineralization typical of...
Resource Type:: Masters Thesis

Geology and mineralization of the Southern Silver Star Stock, Washougal Mining District, Skamania County, Washington

Creator:: Shepard, Richard James
Abstract:: The Washougal Mining District is located on the western flanks of the southern Cascade Range of Washington, approximately 50 km (30 miles) northeast of Vancouver, Washington. The district has produced only $573 since 1903, derived from copper and silver. The presence of hydrothermal mineralization and breccia pipes similar to those...
Resource Type:: Masters Thesis

Geology, geochemistry, and mineralization of the Liberty Bell Gold Mine area, Alaska

Creator:: Yesilyurt, Suleyman
Resource Type:: Masters Thesis

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

Creator:: Curless, John M.
Resource Type:: Masters Thesis

Geology of the western Detroit Reservoir area, Quartzville and Detroit quandrangles, Linn and Marion counties, Oregon

Creator:: Pungrassami, Thongchai
Resource Type:: Masters Thesis

Geology and mineralization of the North Santiam Mining District, Marion County, Oregon

Creator:: Olson, James P.
Resource Type:: Masters Thesis

Geology and mineral deposits of the Bohemia Mining District, Lane County, Oregon

Creator:: Schaubs, Michael Paul
Resource Type:: Masters Thesis

Geology of the Blue River Mining District, Linn and Lane Counties, Oregon

Creator:: Power, Sara Glen
Resource Type:: Masters Thesis

The "tops" of porphyry copper deposits - mineralization and plutonism in the Western Cascades, Oregon

Creator:: Power, Sara Glen
Resource Type:: Masters Thesis

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

Creator:: Willis, Dana C.
Resource Type:: Masters Thesis

Base and precious metal deposits in the western Cascades of Oregon and southern Washington : mineralogy, fluid inclusion, and sulfur isotopes

Creator:: Summers, Cathy A.
Resource Type:: Masters Thesis

Geology and mineralization of the Banfield and Rowley volcanogenic massive sulfide deposits, Douglas Co., Oregon

Creator:: Fifarek, Richard H.
Resource Type:: Masters Thesis

The geology and skarn mineralization at the Ataspaca prospect, Tacna, Peru

Creator:: Bonelli, Douglas T.
Abstract:: Plate 1 dimensions: 25 x 35.5 Plate 2 dimensions: 25 x 35.5
Resource Type:: Masters Thesis

Bedrock geology of the Connor Creek area, Baker County, Oregon

Creator:: Cox, Gregory Michael
Resource Type:: Masters Thesis

Geology of the central Bond Creek area, Nabesna, Alaska

Creator:: Gillespie, Clinton Dale
Abstract:: The central Bond Creek area is on the north slope of the Wrangell Mountains approximately 15 miles east of Nabesna, Alaska. The entire area is underlain by plutonic rocks of the Monte Cristo batholith of probable Jurassic age. Early members of this complex are hornblende diorite, quartz diorite, and granodiorite...
Resource Type:: Masters Thesis

The geology and mineral potential of the Hahns Peak intrusive porphyry, Routt County, Colorado

Creator:: Casaceli, Robert Joseph
Resource Type:: Masters Thesis

Geology and mineralization of the southern Cuddy Mountains, Washington County, Idaho

Creator:: Fankhauser, Robert Eugene
Resource Type:: Masters Thesis

Geology, petrology, and mineralization of the Paisley Mountains plutonic complex, Lake County, Oregon

Creator:: Hammitt, Jay Wayne
Resource Type:: Masters Thesis

The geology of the Copper Chief Prospect, Mineral County, Nevada

Creator:: Doucette, John
Resource Type:: Masters Thesis

Igneous petrology, structural geology, and mineralization of the central part of the Bayhorse Mining District, Custer County, Idaho

Creator:: Hodges, Wade Allan
Abstract:: The central part of the Bayhorse Mining District is located in the Salmon River Mountains in north-central Idaho between the towns of Challis and Clayton. The area is underlain by metasedimentary rocks of Early to Middle Paleozoic age that were profoundly affected by the emplacement of a plutonic complex in...
Resource Type:: Masters Thesis

The geology, mineralization and geochemistry of the Pine Creek area, Lemhi County, Idaho

Creator:: Hillesland, Larry L.
Resource Type:: Masters Thesis

Geology and mineral deposits of the Mineral-Iron Mountain District, Washington County, Idaho, and of a metallized zone in Western Idaho and Eastern Oregon

Creator:: Henricksen, Thomas Alva
Resource Type:: Masters Thesis

Geology and mineral deposits of the Coyote Hills mining district, Lake County, Oregon

Creator:: Thomas, Thomas Holbeck
Abstract:: The Coyote Hills are located about 46 kilometers north-northwest of Lakeview, Oregon, within the Basin and Range physiographic province. These hills represent a complex volcanic center of bimodal calc-alkaline igneous activity. The oldest rocks recorded in the Tertiary succession are horn-blende- bearing andesite and aphanitic basalt flows, laharic breccias, conglomerates,...
Resource Type:: Masters Thesis

Geology and mineralization of the Seaman Gulch area, east Shasta mining district, Shasta County, California

Creator:: Prihar, Douglas W.
Abstract:: The Seaman Gulch area is located approximately 20 miles east of Redding, California and is part of the eastern Klamath lithotectonic belt. Rock units of the area are chiefly mafic and silicic volcanics of island arc affinity and shale that are Permian to Triassic in age. Volcanic rocks of Tertiary...
Resource Type:: Masters Thesis

Geology, geochemistry, and mineralization of the Yellowbottom-Boulder Creek area, Linn County, Oregon

Creator:: Nicholson, David K.
Resource Type:: Masters Thesis

Geology and mineralization of the Lateral Lake Stock, District of Kenora, northwestern Ontario

Creator:: McCarter, Paul
Abstract:: The Lateral Lake Area is located 30 km northeast of Dryden in Echo and Webb Townships in the District of Kenora in northwestern Ontario. The area has been the focus of molybdenum exploration since 1906. Most exploration and development has been centered on the Pidgeon Prospect in Echo Township. Although,...
Resource Type:: Masters Thesis

Uranium mineralization of the metamorphic aureole of the Spirit pluton, Stevens County, Washington

Creator:: Mitchell, Terry Edward
Abstract:: Several uranium anomalies, with concentrations of U₃0₈ that average below 0.003 percent and reach maximums of 0.069 percent, are associated with black, fossiliferous, pyritic parts of the Ordovician Ledbetter Slate in northern Stevens County, Washington. The most uraniferous parts of the slate occur in small (average of 5 by 30...
Resource Type:: Masters Thesis

Geology and mineralization of the High Grade district, Modoc County, California

Creator:: Keats, Donna G.
Resource Type:: Masters Thesis

Geology of the Sturgill Peak Area, Washington County, Idaho

Creator:: Skurla, Steven John
Abstract:: The oldest rocks of the Sturgill Peak area are herein named the grassy slope phyllites, and are of Permian (?) age. They are divided into a phyllitic member, consisting of complexly folded and highly sheared phyllites and phyllitic cherts, and a limestone member, containing sheared limestone, silicified limestone, and chert....
Resource Type:: Masters Thesis

The geology and mineral deposits of Eden Valley-Saddle Peaks and vicinity, southeastern Coos and northeastern Curry Counties, Oregon

Creator:: Utterback, W. C.
Resource Type:: Masters Thesis

The geology of the southeastern Cuddy Mountain district, western Idaho

Creator:: King, John Robert
Abstract:: The thesis area includes 54 square miles of the southeastern Cuddy Mountains in west-central Idaho. The oldest rocks within the area are plutonic phases of the Jurassic Cuddy Mountain complex. These and Cretaceous (?) intrusive and associated (?) extrusive rocks and nearby Triassic to Early Jurassic metasedimentary and metavolcanic rocks...
Resource Type:: Masters Thesis

Geology and mineral deposits of the Brattain District, Lake County, Oregon

Creator:: Muntzert, James Kay
Resource Type:: Masters Thesis

Geology and mineral deposits of the western Cuddy Mountain District, western Idaho

Creator:: Slater, Mical Neil
Resource Type:: Masters Thesis

A geologic and mineralogic study of the Bethlehem Copper property at Highland Valley, British Columbia

Creator:: Wood, Allan Deane, 1936-
Abstract:: The Bethlehem Copper Mine, a porphyry copper deposit, is situated near the geographical center of the Guichon Creek batholith. The Guichon Creek batholith is located on the east flank of the Canadian Coast Range in south central British Columbia approximately 250 miles northeast of Vancouver, B. C. The batholith trends...
Resource Type:: Masters Thesis

The geology, igneous petrology, and mineral deposits of the Ataspaca mining district, Department of Tacna, Peru

Creator:: Horning, Thomas S.
Abstract:: The Ataspaca prospect is in the Cordillera Occidental, 45 km northwest of Tacna, Peru. Epizonal intrusions satellitic to the Caplina- Ataspaca pluton were emplaced 41 m.y. ago into limestones of the Lower Jurassic Pelado Formation along the northeast-trending Chucchuco fault system. Depths of emplacement ranged from 4.5 to 6.0 km....
Resource Type:: Masters Thesis

Geology of the Quartzburg Mining District, Grant County, Oregon

Creator:: Johnson, Floyd Raymond
Abstract:: For master (tiff) digital images of maps contained in this document contact scholarsarchive@oregonstate.edu
Resource Type:: Masters Thesis

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