Black Rock Group

OccurrenceManganeseUSGS MRDS

Location

StateArizona
CountyGraham
Coordinates33.08287, -110.43762

Commodities

PrimaryManganese
SecondaryIron
TertiaryCopper, Lead, Barium-Barite, Silver

Mine Details

StatusOccurrence
Deposit TypeReplacement
First Production1951
Last Production1951
Discovery Year1939
Data SourceUSGS MRDS
Source ID10027120