1985•University of North Texas Digital Library (University of North Texas)Open access
HYDROGEOLOGY OF THE THERMAL LANDSLIDE
James V. Vantine
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Abstract
The large Thermal Landslide overlies the initial area of geothermal development at The Geysers. The landslide is waterbearing while the underlying Franciscan formation bedrock units are essentially non-waterbearing except where affected by hydrothermal alteration. Perched ground water moving through the landslide is heated prior to discharge as spring flow.