Colorado · Clear Creek County
Occurrence
Grover Mine
Clear Creek County, Colorado, United States
Niobium (Columbium)
Tantalum
Beryllium
Mica
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USGS source ↗
Commodities
Primary
Niobium (Columbium), Tantalum, Beryllium, Mica
Commodity type
B
Deposit
Deposit size
N
Materials
Ore minerals
Beryl, Muscovite
Economic & production
Development status
Occurrence
Identification
Deposit ID
10009121
MRDS ID
D001797
Region
NA
Data score
D
Coordinates
39.69999, -105.41726
References
HANLEY AND OTHERS, 1950, PEGMATITE INVESTIGATIONS IN COLORADO, WYOMING, AND UTAH, 1942 - 44, USGS PROF. PAPER 227