Tilted fault block, Nevada

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Bare Mountain, a tilted fault block in western Nevada. Bare Mountain, just south of Beatty Nevada illustrates the defining structural style of Basin and Range extension: a tilted fault block. Its southern part consists of faulted Precambrian and Cambrian sedimentary rock. In this photo, one can see a large normal fault separating brown-colored Precambrian-Cambrian Wood Canyon Formation (below) faulted against lighter-colored Cambrian Carrara and Bonanza King Formations. The Carrara and Bonanza King formations show numerous smaller normal faults within them. (ID: IMG_5133)