Mine detail: Crown

Previously called 'Hammer Same As Upper Hammon #38?'

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Location

Lat / long:

42.32871, -123.76227

Resource(M)

Primary:	Chromium, Copper
Ore:	Chalcopyrite, Chromite, Malachite
Gangue:	Antigorite, Calcite, Talc

Production

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

Geology

Host type:	Dunite
Alteration processes:	Hydrothermal Alteration; Serpentinization

References

MRDS	M015277
DEP	10033218
Reference	{Deposit:: RAMP, LEN, 1961, CHROMITE IN SOUTHWESTERN OREGON: OREGON DEPT. GEOLOGY AND MINERAL IND. BULL. 52, 169 P.}{Deposit:: THAYER, T. P., 1974, UNPUBL. DATA}{Deposit:: RAMP, L. AND PETERSON, N.V., 1979, GEOLOGY AND MINERAL RESOURCES OF JOSEPHINE COUNTY, OREGON; ODGMI BULL. 100, 45P}
Reporter	Lee, W., Ferns, Mark L. (Brooks, Howard C.), Gray, Jerry J.