Mine detail: Shamrock Mine

Previously called 'Chisholm CopperShamrock Manganese'

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Location

Lat / long:

42.60092, -122.97674

Resource(M)

Primary:	Manganese
Tertiary:	Cobalt, Copper, Platinum, Nickel
Other material:	Chalcopyrite, Pentlandite, Pyrrhotite
Discovery year:	1900

Production

Operation type:	Underground
Development status:	Prospect

Geology

References

MRDS	M061386
MAS	410290059
DEP	10249569
Reference	{Deposit:: U.S. BUREAU OF MINES RI 4895, 1952.}{Deposit:: U.S. BUREAU OF MINES RI 5261, 1956.}{Deposit:: U.S. BUREAU OF MINES RI 5472, 1959.}{Deposit:: U.S. GEOLOGICAL SURVEY MISC. FIELD STUDIES MAP MF-848, 1977.}{Deposit:: OR. DEPT. GEOL. AND MIN. INDUST. MISC. PAPER 20, 1978,}{Deposit:: P. 57-58.}
Reporter	Western Field Operations Center (WFOC)