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Monitoring the hydrothermal system in Long Valley caldera, California

Geothermal Resources Council Transactions
By:  and 

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Abstract

An ongoing program to monitor the hydrothermal system in Long Valley for changes caused by volcanic or tectonic processes has produced considerable data on the water chemistry and discharge of springs and fluid temperatures and pressures in wells. Chemical and isotopic data collected under this program have greatly expanded the knowledge of chemical variability both in space and time. Although no chemical or isotopic changes in hot spring waters can be attributed directly to volcanic or tectonic processes, changes in hot spring chemistry that have been recorded probably relate to interactions between and variations in the quantity of liquid and gas discharged. Stable carbon isotope data are consistent with a carbon source either perform the mantle or from metamorphosed carbonate rocks. Continuous and periodic measurements of hot spring discharge at several sites show significant co seismic and a seismic changes since 1980.

Suggested Citation

Farrar, C.D., and Sorey, M., 1985, Monitoring the hydrothermal system in Long Valley caldera, California: Geothermal Resources Council Transactions, v. 9, p. 423-428.

Study Area

Publication type Article
Publication Subtype Journal Article
Title Monitoring the hydrothermal system in Long Valley caldera, California
Series title Geothermal Resources Council Transactions
Volume 9
Year Published 1985
Language English
Publisher Geothermal Resources Council
Publisher location Davis, CA
Contributing office(s) Volcano Hazards Program
Description 6 p.
First page 423
Last page 428
Country United States
State California
County Mono
City Mammoth Lakes
Other Geospatial Long Valley caldera
Additional publication details