Mine detail: Backbone Mine

Previously called ''

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Location

Lat / long:

31.61457, -111.3418

Resource(M)

Primary:	Gold, Silver
Secondary:	Lead, Copper
Tertiary:	Zinc
Ore:	Chalcopyrite, Sphalerite
Orebody form:	IRREGULAR LENSES

Production

Operation type:	Unknown
Production size:	Small
Development status:	Producer
First production started:	1932
Last production ended:	1942

Geology

Host type:	Granite
Associated type:	Granite
Alteration processes:	Oxidation

References

MRDS	M050510
DEP	10039620
Reference	{Deposit:: KEITH, S. B., 1974 , INDEX OF MINING PROPERTIES IN PIMA COUNTY, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 189 , P. 104}{Production:: ( 8 ) ABM BULLETIN 189 , P. 104 .}
Reporter	Johnson, Kris H. (Creasey, S.C.)