Colorado · Jefferson County
Producer
Swede-Kerr Gulches Pegmatites
Jefferson County, Colorado, United States
Mica
REE
Feldspar
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USGS source ↗
Commodities
Primary
Mica, REE, Feldspar
Commodity type
B
Deposit
Deposit size
Y
Materials
Ore minerals
Feldspar, Mica, Monazite
Geology
Host rock
Gneiss
Economic & production
Development status
Producer
Identification
Deposit ID
10016948
MRDS ID
DC02497
Region
NA
Data score
D
Coordinates
39.67555, -105.32364
References
USBM MIN. EXAM FILE, REPT. OF 6/2/59CONSV. DIV. COMP. DATE, 3,64