Strike-Slip
From Open Energy Information
Strike-Slip:
A tectonic process in which the relative motion of two plates is parallel and the plates slide past each other in opposite directions. Also known as a transverse or transform faults.
Tectonic Settings
List of tectonic settings known to host modern geothermal systems:
Conceptual drawing of a strike slip fault where two tectonic plates are sliding parallel with each other but in opposite directions. http://geomaps.wr.usgs.gov/parks/deform/
Regions affected by strike-slip tectonics show significant lateral displacement along major structures. These lateral structural trends create increased permeability for hydrothermal fluid migration where they intersect other major tectonic features.
Major strike-slip trends can form accommodation and displacement transfer zones where they intersect large normal fault systems, as occurs in the Walker Lane structural belt. Some rift zones, like that of the Gulf of California, also exhibit transtensional strains exemplified by strike-slip regions like that of the San Andreas fault.
Examples
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CSV| Geothermal Resource Area | Geothermal Region | Control Structure | Host Rock Age | Host Rock Lithology | Mean Capacity | Mean Reservoir Temp |
|---|---|---|---|---|---|---|
| Gumuskoy Geothermal Area | Aegean-West Anatolian Extensional Region | Fault Intersection | Paleozic | Marble | 13.2 MW 13,200 kW 13,200,000 W 13,200,000,000 mW 0.0132 GW 1.32e-5 TW | 413.15 K 140 °C 284 °F 743.67 °R |
| North Brawley Geothermal Area | Gulf of California Rift Zone | Displacement Transfer Zone Fault Intersection | Arkosic and quartz dominated sandstones | 50 MW 50,000 kW 50,000,000 W 50,000,000,000 mW 0.05 GW 5.0e-5 TW | 539.15 K 266 °C 510.8 °F 970.47 °R |