Clayton Mine Quartzite (ID*)
Middle Ordovician* or older
Type section: above talus slope on north wall of Salmon River Canyon, 1.6 km west of Clayton, in SE/4 sec. 23, T. 11 N., R. 17 E., Custer Co., ID. Named from Clayton Silver Mine (Hobbs and others, 1968).
Idaho Mountains province*
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
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