Isotopic Analysis-Fluid At Geysers Geothermal Area (1982)

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

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

Usefulness not indicated
DOE-funding Unknown

 
Notes
Helium isotope ratios have been measured in geothermal fluids. These ratios have been interpreted in terms of the processes which supply He in distinct isotopic ratios (i.e. magmatic He, ~10 Ra; atmospheric He, Ra; and crustal He, ~0.1 Ra) and in terms of the processes which can alter the isotopic ratio (hydrologic mixing, U-Th series alpha production and weathering release of crustal He, magma aging and tritiugenic addition of 3He). Raft River contains only crustal He indicating no active volcanic sources.

 
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