Colorado · Jefferson County
Producer
Grover Winsor Pegmatite
Jefferson County, Colorado, United States
Niobium (Columbium)
Tantalum
REE
Feldspar
Mica
Beryllium
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USGS source ↗
Commodities
Primary
Niobium (Columbium), Tantalum, REE, Feldspar, Mica, Beryllium
Commodity type
B
Deposit
Deposit size
S
Materials
Ore minerals
Beryl, Monazite, Muscovite
Economic & production
Development status
Producer
Identification
Deposit ID
10107749
MRDS ID
D001818
Region
NA
Data score
D
Coordinates
39.71888, -105.45503
References
BOOS, M. F., 1954, GENESIS OF PRECAMBRIAN GRANITIC PEGMATITES IN THE DENVER MOUNTAIN PARKS AREA, COLORADO, GEOL. SOC. BULL., V. 65, NO.