Arizona · Cochise County
Past Producer

Great American Mine

Cochise County, Arizona, United States
SilverLeadGoldCopper
⌖ Show on mapUSGS source ↗
Commodities
PrimarySilver
SecondaryLead, Gold, Copper
Commodity typeM
Deposit
Deposit typeReplacement
Deposit sizeS
WorkingsUnderground
Orebody formIRREGULAR
Ore controlFault And Fracture Zones
Materials
Ore mineralsGalena, Gold, Tetrahedrite
Geology
Host rockLimestone · Naco Group Limestone
Associated rockRhyolite
StructureNnw Thrust Faults In Swisshelms Overthrust Penn Naco Group Over Rhyolite Porphyry, Limestone Surrounded By Overlying Tertiary Rhyolite, Penn Naco Group Strikes Nw Dips 20n
AlterationStrong Oxidation
Economic & production
Development statusPast Producer
First production1880
Last production1973
Discovery year1880
Identification
Deposit ID10046226
MRDS IDM241086
Alternate namesAlpine, Heney
RegionNA
Data scoreB
Coordinates31.71736, -109.53536
References
KEITH, S B, 1973, ARIZONA BUREAU OF MINES BULLETIN 187, P 71COOPER, 1956, USGS MAP MF-213ABGMT CLIPPINGS FILESARIZONA DEPT OF MINERAL RESOURCES FILE DATACIMRIKEITH, 1973, ARIZ BUR OF MINES BULL 187