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Filtering by: Subject Washington (State) -- Biography Advisor Field, Cyrus W.

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 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
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 metallization of the White River area, King and Pierce counties, Washington

Creator:

McCulla, Michael S.

Resource Type:

Dissertation