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Filtering by: Subject Geology -- Oregon -- Metolius Spring Degree Field Geology

Geology of the Bagby Hot Springs area, Clackamas and Marion Counties, Oregon

Creator:

Dyhrman, Richard F.

Abstract:

The thesis area is located southwest of Portland, Oregon, in the Western Cascades. In the area are volcaniclastic rocks and lava flows that range in composition from basaltic andesite to dacite. The dominant volcaniclastic rock type is thin intracanyon ash-flow tuff. The dominant lava flows are a thick sequence of...

Resource Type:

Masters Thesis