Structure of The Dixie Valley Geothermal System, a "Typical" Basin and Range Geothermal System, From Thermal and Gravity Data

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Conference Paper: Structure of The Dixie Valley Geothermal System, a "Typical" Basin and Range Geothermal System, From Thermal and Gravity Data

Abstract
The Dixie Valley geothermal system, with temperatures up to 248°C in the Oxbow field and up to 285°C in the Dixie Valley Power Partners leasehold, is the hottest extensional (non magmatic) geothermal system in the Basin and Range province. The structure of the Dixie Valley normal fault system and the role it plays in the associated geothermal system have been debated for some time. The primary structural model ahs been a single fault with 54° dip. New data including a detailed gravity survey, reprocessed seismic lines, and temperature depth results from shallow and deep wells indicate a more complicated structure. In addition to the fault causing the topographic offset, piedmont (within the valley) faults accommodate most of the displacement between the range valley topographic contact and the bottom of the valley fill. Splays and/or relay ramps are also present. This structure complicates development drilling, but suggest that additional targets for exploration may be present.

Authors 
David D. Blackwell, Kenneth W. Wisian, Dick Benoit and Bobbie Gollan






Conference 
GRC Annual Meeting; Reno, NV; 1999/10/17


Published 
Geothermal Resources Council, 1999





DOI 
Not Provided
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Online 
Internet link for Structure of The Dixie Valley Geothermal System, a "Typical" Basin and Range Geothermal System, From Thermal and Gravity Data

Citation

David D. Blackwell, Kenneth W. Wisian, Dick Benoit, Bobbie Gollan. 1999. Structure of The Dixie Valley Geothermal System, a "Typical" Basin and Range Geothermal System, From Thermal and Gravity Data. In: GRC Transactions. GRC Annual Meeting; 1999/10/17; Reno, NV. Davis, CA: Geothermal Resources Council; p. 525-531


Related Geothermal Exploration Activities
Activities (1)


Areas (1)
  1. Dixie Valley Geothermal Area
Regions (0)