The Role of Sudden Dilational Fracturing in Evolution and Mineralization of the Southwestern Salton Sea Geothermal System, Imperial Valley, California
- Location
- Salton Sea, California; Imperial Valley
- Conference
- Stanford Geothermal Workshop
- Year
- 2003
- Session
- Geology
- Language
- English
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Abstract
Prolific geothermal well Magmamax-6B (M-
6B), in the southwestern Salton Sea geothermal
field, yields initially 290-298oC hypersaline
brine from an interval of hydrothermally altered
mudstone and sandstone disrupted by veinlets
and breccias mineralized with specular hematite
and anhydrite. About half the wellís total
production is from one such breccia zone that
coincides with an abrupt, 8oC reversal in the
static-temperature profile.
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