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Fault breccia Keystone Thrust Red Rock Canyon NV. Fault breccia of the Keystone Thrust en Red Rock Canyon National Conservation Area Nevada Lens cap at upper right is cm across Exposed along spur of Keystone Thrust Trail Taken Jan en Jstuby en Jstuby original upload log page en FaultbrecciaKeystoneThrustRedRockCanyonNV Jstuby