Mine detail: American Mine

Previously called 'Virginia Hay ClaimsAmerican Millsite Claim'

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Location

Lat / long:

31.45431, -110.72345

Resource(M)

Primary:	Silver, Lead
Secondary:	Copper, Gold, Zinc
Tertiary:	Manganese
Ore:	Argentite, Cerargyrite, Chalcopyrite, Galena, Pyrite, Sphalerite, Tetrahedrite
Orebody form:	LENSES
Discovery year:	1880

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1880
Last production ended:	1943

Geology

Host type:	Trachyandesite
Associated type:	Tuff,Welded Tuff
Structure:	Sedimentary Rocks Dip Steeply To Se; Rhyolite Shows N-S Vertical Flow Structure And Banding, Mine Workings On Contact Between Silicified Limestone, Or Quartzite, And Intrusive Porphyritic Brecciated Rhyolite
Tectonic:	American Mine Fault Block (Simons,F.S., 1974); Upthrow To Ne
Alteration processes:	Surface Oxidation To 90-Ft. Depth

References

MRDS	M899947
DEP	10048358
Reference	{Deposit:: USBM FILES, AMERICAN MINE.}{Deposit:: ABGMT-USBM FILE DATA.}{Deposit:: MOORES, RICHARD C., 1972, THE GEOLOGY AND ORE DEPOSITS OF A PORTION OF THE HARSHAW DISTRICT, SANTA CRUZ COUNTY, ARIZONA: M.S. THESIS, UNIVERSITY OF ARIZONA, P. 74.}{Deposit:: SIMONS, FRANK S., 1974, GEOLOGIC MAP AND SECTIONS OF THE NOGALES AND LOCHIEL QUADRANGLES, SANTA CRUZ COUNTY, ARIZONA: USGS MAP (1:48000).}{Deposit:: SCHRADER, FRANK C., 1915, MINERAL DEPOSITS OF THE SANTA RITA AND PATAGONIA MOUNTAINS, ARIZONA: USGS BULLETIN 582, P. 277-278.}{Deposit:: KEITH, 1975, ABM BULL 191, P. 56.}{Deposit:: ABGMT FILE DATA, STANTON B. KEITH.}{Deposit:: SIMONS, FRANK S. 1972, MESOZOIC STRATIGRAPHY OF THE PATAGONIA MOUNTAINS AND ADJOINING AREAS, SANTA CRUZ COUNTY, ARIZONA: USGS PROFESSIONAL PAPER 658-E, P. 8-9.}{Deposit:: ABGMT CLIPPINGS FILE, AMERICAN MINE-PATAGONIA.}{Deposit:: ARIZONA DEPARTMENT OF MINERAL RESOURCES FILE DATA, BIG JIM MINE.}{Other Database:: CIMRI}
Reporter	Calder, Susan R., Orris, Greta J.