Assessment of geothermal resources at Newcastle, Utah
By: Robert E. Blackett, Michael A. Shubat, David S. Chapman, Craig B. Forster, and Charles M. Schlinger
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Abstract
Integrated geology, geophysics, and geochemistry studies in the Newcastle area of southwest Utah are used to develop a conceptual geologic model of a blind, moderate-temperature hydrothermal system. Studies using 12 existing and 12 new, thermal gradient test holes, in addition to geologic mapping, gravity surveys, and other investigations have helped define the thermal regime. Preliminary results indicate that the up-flow region is located near the west-facing escarpment of an adjacent mountain range, probably related to the bounding range-front fault. Chemical geothermometers suggest equilibration temperatures ranging from 140??C to 170??C. The highest temperature recorded in the system is 130??C from an exploration well drilled by the Unocal Corporation.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Assessment of geothermal resources at Newcastle, Utah |
| Volume | 13 |
| Year Published | 1989 |
| Language | English |
| Publisher | Publ by Geothermal Resources Council |
| Publisher location | Davis, CA, United States |
| Larger Work Title | Transactions - Geothermal Resources Council |
| First page | 109 |
| Last page | 116 |
| Conference Title | Geysers - Three Decades of Achievement: A Window on the Future |
| Conference Location | Santa Rosa, CA, USA |
| Conference Date | 1 October 1989 through 4 October 1989 |
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