Arizona · Graham County
Past Producer

Black Rock Group

Graham County, Arizona, United States
Manganese
⌖ Show on mapUSGS source ↗
Commodities
PrimaryManganese
Commodity typeM
Deposit
Deposit sizeS
WorkingsSurface/Underground
Orebody formLENTICULAR STRINGERS
Materials
Ore mineralsPsilomelane, Pyrolusite
GangueCalcite
Geology
Host rockGranite
Economic & production
Development statusPast Producer
Identification
Deposit ID10026962
MRDS IDM001320
Alternate namesVickers
RegionNA
Data scoreC
Coordinates32.43623, -109.63398
References
FARNHAM, L. L., STEWART, L. A., AND DELONG, C. W., 1961, U.S. BUREAU OF MINES INFORMATION CIRCULAR 7990, P. 93-94.U.S. BUREAU OF MINES, MILS, U.S. BUREAU OF MINES COMPUTER BANK, 1978A.