Field Mapping At Coso Geothermal Area (2006)

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Exploration Activity: Field Mapping At Coso Geothermal Area (2006)

Exploration Activity Details
Location Coso Geothermal Area
Exploration Technique Field Mapping
Activity Date 2006

Usefulness not indicated
DOE-funding Unknown

Exploration Basis
Determine impact of brittle faulting and seismogenic deformation on permeability in geothermal reservoir
New mapping documents a series of late Quaternary NNE-striking normal faults in the central Coso Range that dip northwest, toward and into the main production area of the Coso geothermal field. The faults exhibit geomorphic features characteristic of Holocene activity, and locally are associated with fumaroles and hydothermal alteration. The active faults sole into or terminate against the brittle-ductile transition zone (BDT) at a depth of about 4 to 5 km.


Additional References