Mine detail: Porphyry Mill Claims

Previously called ''

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Location

Lat / long:

44.71374, -118.79384

Resource(M)

Primary:	Gold, Silver
Gangue:	Quartz, Sericite

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer

Geology

Host type:	Slate
Associated type:	Plutonic Rock

References

MRDS	M015747
DEP	10098344
Reference	PARKS, H.M. AND SWARTLEY, A.M., 1916, METAL MINES HANDBOOK; OREGON BUREAU OF MINES VOL. 2, P. 182
Reporter	Ferns, Mark L. (Brooks, Howard C.), Gray, Jerry J.