Forced folding and basin and range geothermal systems
Conference
·
OSTI ID:175617
Forced or drape folds occur where near-surface rocks deform by bending or folding over the top of faults. These folds can also form around corners or reentrants in complexly shaped uplifted or downdropped blocks and can completely conceal the underlying fault or block. In the vicinity of three geothermal fields in Nevada, Dixie Valley, Beowawe, and Desert Peak, there is evidence for this structural style which can be recognized by bedding dipping into the valleys or grabens. At Dixie Valley the offset on the Stillwater fault is so great that there is no indication of forced folding in the immediate vicinity of the reservoir but it is possible that some evidence could be buried beneath the valley floor. At Beowawe, forced folding has been recognized in local areas where the topography undergoes sharp changes in strike. At Desert Peak, the faulting is completely concealed by folds which overlie a sawtooth shaped uplift.
- OSTI ID:
- 175617
- Report Number(s):
- CONF-951037--
- Country of Publication:
- United States
- Language:
- English
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