Mine detail: Silver Spur Mine

Previously called 'Old Frijole Mine'

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Location

Lat / long:

31.8493, -110.76818

Resource(M)

Primary:	Silver
Secondary:	Copper, Lead
Tertiary:	Gold
Ore:	Chalcopyrite, Copper, Galena, Pyrite, Tetrahedrite
Orebody form:	TABULAR
Discovery year:	1877

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	1880-1889
First production started:	1880
Last production ended:	1963

Geology

Host type:	Diorite
Associated rock:	Granodiorite-54 +-2my.;Aplite
Associated type:	Granite
Structure:	Homoclinal ; Reg.Trends: Tilting And Broad Open Folds In S. And Extensive Faulting In N., Thrust And Normal Faulting - Fracture Zones.

References

MRDS	M050051
DEP	10039416
Reference	{Deposit:: SCHRADER, F.C., 1915 USGS BULL. 582}{Deposit:: ARIZONA BUREAU OF MINES 1971 FIELDNOTES V. 1 NO 2}{Deposit:: DREWES, H., 1971, USGS MAP I-613 (SAHUARITA QUAD)}{Deposit:: KEITH,S.B.,1974,INDEX OF MINING PROPERTIES IN PIMA COUNTY,ARIZONA:ARIZONA BUREAU OF MINES BULLETIN 189,P.128.}{Deposit:: 1909 RECON F. C. SCHRADER, U.S.G.S. BULL. 582}{Deposit:: 1971 DIREXPL ANACONDA - POSSIBLE NEW PORPH CU.}{Deposit:: 1971 GEOLMAP H. DREWES U.S.G.S. MAP I-613.}{Production:: SCHRADER - 1915 - USGS BULL. 582}
Reporter	Keith, William J.