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THREE SISTERS WILDERNESS, OREGON.

Geological Survey Professional Paper (United States)

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Abstract

A mineral survey of the Three Sisters Wilderness, Oregon indicated little promise for the occcurrence of metallic mineral resources. Block pumice suitable for commercial uses occurs at an undeveloped claim at Rock Mesa in the wilderness, but numerous other sources occur outside the wilderness closer to markets. A broad area centered around South Sister volcano is among the most favorable targets for geothermal resources in the Oregon Cascade Range, based on the very young age and large volume of silicic volcanic rocks that occur in this area. Deep exploration holes could be drilled in areas outside the wilderness south of South Sister to provide data on the subsurface thermal and hydrologic regimes in the southern part of the area most likely to contain geothermal resources.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
THREE SISTERS WILDERNESS, OREGON.
Series title:
Geological Survey Professional Paper (United States)
Volume
2
Year Published:
1984
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Geological Survey Professional Paper (United States)
First page:
911
Last page:
913
Number of Pages:
3