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Overview of the structure and geothermal potential of Newberry Volcano, Oregon

Journal of Geophysical Research

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Abstract

Evidence from a broad range of geological and geophysical investigations of Newberry volcano in Central Oregon suggests the presence of a small magma body beneath the summit caldera. Drilling has encountered temperatures indicative of a hydrothermal system above the hypothesized magma body. On the basis of hydrothermal mineralogy the temperature of the hydrothermal system is at or near its maximum value, indicating that the hydrothermal system is young. Basaltic underplating is postulated to replenish the magma body. The results of interdisciplinary studies at Newberry Volcano document that young, silicic volcanism in the Cascade Range can have geothermal potential. These results should be applied with caution to the rest of the Cascade Range because of the strong influence of Basin and Range extensional tectonics on Newberry Volcano's style of volcanism. -Author

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Overview of the structure and geothermal potential of Newberry Volcano, Oregon
Series title:
Journal of Geophysical Research
Volume
93
Issue:
B9
Year Published:
1988
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Journal of Geophysical Research
First page:
10059
Last page:
10066