Silver Glen Ranch Pegmatite

Past ProducerMica, FeldsparUSGS MRDS

Location

StateColorado
CountyJefferson
Coordinates39.66666, -105.30308

Commodities

PrimaryMica, Feldspar
SecondaryBeryllium, Niobium (Columbium), Tantalum
TertiaryREE, Thorium

Mine Details

StatusPast Producer
First Production1945
Last Production1956
Data SourceUSGS MRDS
Source ID10013737