Mine detail: Big Lead Mine

Previously called 'MM. MineW.'

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Location

Lat / long:

31.39347, -110.78929

Resource(M)

Primary:	Copper, Lead
Secondary:	Silver, Gold
Ore:	Chalcopyrite, Galena, Silver
Orebody form:	SHOOTS

Production

Operation type:	Unknown
Production size:	Unknown
Development status:	Occurrence

Geology

Host type:	Granite
Associated rock:	Comoro Canyon Granite
Associated type:	Hornblendite
Structure:	E-W And Ne Trending Quartz Veins And Associated Bands Of Crushed Mineralized Rock In Fault Fissures Cutting Diorite And Quartz Monzonite, Dip Of Vein Is Steep To South Near Surface And Nearly Vertical (Dipping Slightly To North) Near Bottom Of 75 Ft Shaft
Alteration processes:	Minor Oxidation

References

MRDS	M899913
DEP	10095791
Reference	{Deposit:: USBM FILES, BIG LEAD MINE}{Deposit:: SCHRADER, FRANK C.,1915, USGS BULL. 582, P. 312}{Deposit:: SIMONS, FRANK S. 1974 GEOLOGIC MAP AND SECTIONS OF THE NOGALES AND LOCHIEL QUADRANGLES, SANTA CRUZ COUNTY, ARIZONA; USGS MAP I-762 (1:48000)}{Deposit:: ABGMT FILES, STANTON B. KEITH}
Reporter	Calder, Susan R.