Mine detail: Columbia Mine Group

Previously called ''

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Location

Lat / long:

32.05844, -111.78821

Resource(M)

Primary:	Copper, Silver
Secondary:	Gold
Ore:	Chalcocite, Copper
Orebody form:	IRREGULAR

Production

Operation type:	Unknown
Production size:	Small
Development status:	Producer
First production started:	1907
Last production ended:	1907

Geology

Host type:	Granite
Associated type:	Granite

References

MRDS	M000688
DEP	10108976
Reference	{Deposit:: KEITH, S. B., 1974 , INDEX OF MINING PROPERTIES IN PIMA COUNTY, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 189 , P. 110}{Production:: ABM BULLETIN 189 , P. 110 .}
Reporter	Johnson, Kris H. (Creasey, S.C.)