Masonic District

Past ProducerGold, SilverSurface-UndergroundUSGS MRDS

Location

StateCalifornia
CountyMono
Coordinates38.35750, -119.12444

Commodities

PrimaryGold, Silver
TertiaryCopper, Lead, Mercury, Arsenic, Antimony, Bismuth

Mine Details

StatusPast Producer
TypeSurface-Underground
Deposit TypeHydrothermal stringer zones, breccia filling, or "ledges"
Discovery Year1902
Data SourceUSGS MRDS
Source ID10310709