Isotopic Analysis- Fluid At Coso Geothermal Area (1982)

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Exploration Activity: Isotopic Analysis- Fluid At Coso Geothermal Area (1982)

Exploration Activity Details
Location Coso Geothermal Area
Exploration Technique Isotopic Analysis- Fluid
Activity Date 1982

Usefulness not indicated
DOE-funding Unknown

Exploration Basis
Determine recharge for the system
Thirty-nine water samples were collected from the Coso geothermal system and vicinity and were analyzed for major chemical constituents and deltaD and delta18O. Non-thermal ground waters from the Coso Range were found to be isotopically heavier than non-thermal ground waters from the Sierra Nevada to the west. The deltaD value for the deep thermal water at Coso is similar to that of the Sierra water, suggesting that the major recharge for the hydrothermal system comes from the Sierra Nevada rather than from local precipitation on the Coso Range.


Additional References