Arizona · Cochise County
Past Producer

Bay State Mine

Cochise County, Arizona, United States
Manganese
⌖ Show on mapUSGS source ↗
Commodities
PrimaryManganese
Commodity typeM
Deposit
Deposit typeReplacement
Deposit sizeS
Orebody formFISSURES
Ore controlOre Bodies Near Dikes And Sills, And Fissure Zones And Associated Brecciation
Materials
GanguePyrite, Quartz
Geology
Host rockLimestone · Naco 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 ID10104075
MRDS IDM241119
RegionNA
Data scoreB
Coordinates31.4157, -109.90232
References
KEITH, S.B., 1973, ARIZONA BUREAU OF MINES BULLETIN 187, P. 85.CREASEY AND KISTLER, 1962, USGS PP 450D, P. D1-D5FARNHAM AND DELONG, USBM IC 7990, P. 19KEITH, 1973, ARIZ. BUR. OF MINES BULL. 187.