Commodities
PrimarySilver, Lead
SecondaryCopper, Gold, Zinc
TertiaryManganese
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formLENSES
Ore controlWnw-Trending Quartzitic Fissure Vein Parallelling Silicified Shear Zone
Materials
Ore mineralsArgentite, Cerargyrite, Chalcopyrite, Galena, Pyrite, Sphalerite, Tetrahedrite
Geology
Host rockTrachyandesite
Associated rockTuff,Welded Tuff
StructureSedimentary 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 settingAmerican Mine Fault Block (Simons,F.S., 1974); Upthrow To Ne
AlterationSurface Oxidation To 90-Ft. Depth
Economic & production
Development statusPast Producer
First production1880
Last production1943
Discovery year1880
Identification
Deposit ID10048358
MRDS IDM899947
Alternate namesVirginia Hay Claims, American Millsite Claim
RegionNA
Data scoreB
Coordinates31.45431, -110.72345
References
USBM FILES, AMERICAN MINE.ABGMT-USBM FILE DATA.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.SIMONS, FRANK S., 1974, GEOLOGIC MAP AND SECTIONS OF THE NOGALES AND LOCHIEL QUADRANGLES, SANTA CRUZ COUNTY, ARIZONA: USGS MAP (1:48000).SCHRADER, FRANK C., 1915, MINERAL DEPOSITS OF THE SANTA RITA AND PATAGONIA MOUNTAINS, ARIZONA: USGS BULLETIN 582, P. 277-278.KEITH, 1975, ABM BULL 191, P. 56.ABGMT FILE DATA, STANTON B. KEITH.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.ABGMT CLIPPINGS FILE, AMERICAN MINE-PATAGONIA.ARIZONA DEPARTMENT OF MINERAL RESOURCES FILE DATA, BIG JIM MINE.CIMRI