Steeply tilted Miocene siltstone and sandstone of the Buckskin Mountains are cut and overridden by mylonitic gneiss at the Lincoln Ranch reverse fault in the Buckskin Mountains. Former AZGS geologist Steve Reynolds for scale. Photo by Jon Spencer.
Photographer: Spencer, Jon
Photo Date: circa 2000
Photo Location Accuracy: Approximately Located
Photo Tags: Buckskin Mountains, sandstone, Miocene, reverse fault, mylonite, gneiss