Geochemistry of thermal water from selected wells, Boise, Idaho
By: Robert H. Mariner, H.W. Young, D. J. Parliman, and William C. Evans
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Abstract
Samples of thermal water from selected wells in the Boise area were analyzed for chemical composition; stable isotopes of hydrogen, oxygen, and dissolved carbon; radioactive carbon; and dissolved-gas concentrations. Chemically, the waters are virtually identical to those of the adjacent Idaho batholith. Isotopically, the thermal waters are more depleted in deuterium and oxygen-18 than coldwater springs in the presumed recharge area. Chemical and isotopic data indicate the presence of two separate geothermal systems. Radioactive carbon and dissolved helium concentrations are interpreted to indicate recharge during the Pleistocene. Hot water in or southeast of Boise probably recharged 20,000 to 30,000 years ago, and warm water 2.5 miles northwest of Boise probably recharged at least 15,000 years ago.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Geochemistry of thermal water from selected wells, Boise, Idaho |
| 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 | 173 |
| Last page | 178 |
| 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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