A Geophysical Survey of Hot Springs Bay Valley, Akutan Island, Alaska
- Key words
- Exploration; USA; Akutan Island; Alaska; Hot Springs; Geologic Maps; Conductivity; Electrical Conductivity; Silica
- Location
- Hot Springs Bay Valley, Alaska; Akutan, Alaska
- Conference
- Geothermal Resources Council Transactions
- Year
- 1982
- Session
- Exploration; Geophysical surveys; Resistivity surveys; Seism
- Language
- English
Abstract
Geothermometry of hot springs in Hot Springs Bay Valley on Akutan Island indicate a common reservoir temperature of 160-190°C. Geophysical exploration of the valley has revealed a probably le hot water reservoir 1.4 km x 0.5 km in area, 40-75 m thick and capped by 40-70 m of impermeable volcanic debris flows. Resistivity of the reservoir rock ranges from 2.2-12 m. High seismic velocity and high resistivity of the basement rock may be due to mineral cementation.
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