Arizona · Cochise County
Past Producer

Granville & Unknown Claims

Cochise County, Arizona, United States
Manganese
⌖ Show on mapUSGS source ↗
Commodities
PrimaryManganese
Commodity typeM
Deposit
Deposit typeReplacement
Deposit sizeS
Orebody formSTRINGERS, BUNCHES, VEINLETS
Ore controlOre Bodies Near Dikes And Sills, And Faulting And Associated Brecciation
Materials
GanguePyrite, Quartz
Geology
Host rockLimestone · Naco Group Limestone
Associated rockGranite · Sacramento Hill Stock
StructurePre-Mineralization Faulting And Tilting, Main Fault Directions, N10w To N40e, S30w To N50w, Pre-Mineralization
AlterationGossan With Mn And Fe Oxides Induced By Hydrothermal Metamorphism
Economic & production
Development statusPast Producer
Identification
Deposit ID10046242
MRDS IDM241107
RegionNA
Data scoreB
Coordinates31.42042, -109.90565
References
KEITH, S.B., 1973, ARIZONA BUREAU OF MINES BULLETIN 187, P. 87.FARNHAM, 1961, USBM IC 7990, P. 11-19KEITH, 1973, ARIZ. BUR. OF MINES BULL. 187.