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Fig. 1. Geology of the study area. (A) Location and regional geology of the Bishop study area, Bishop, CA. Location of the Volcanic Tablelands between the Sierra Nevada to the west and the White Mountains to the east. Normal faulting changes polarity from the east-dipping Owens Valley fault to the west-dipping White Mountain fault. Qbt, Quaternary Bishop Tuff; Kg, Cretaceous granitoids of the Sierra Nevada; Pzu, undifferentiated Paleozoic sedimentary rocks of the White Mountains; WMF, White Mountain Fault. The Long Valley caldera is the source of the Bishop Tuff. (B) Traces of the major normal faults in the study area, along with the locations of the study sites, as mapped from air photos and the work of Ferrill et al. (1999).