Colorado · Larimer County
Past Producer
Primorose Beryl Lode
Larimer County, Colorado, United States
Beryllium
Mica
Manganese
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USGS source ↗
Commodities
Primary
Beryllium, Mica, Manganese
Commodity type
B
Deposit
Deposit size
S
Workings
Surface
Materials
Ore minerals
Beryl, Muscovite
Geology
Host rock
Mica Schist · Metasedimentary Rocks--Mica Schist;Pegmatite
Associated rock
Tonalite,Pegmatite · Pegmatite;Tonalite (Quartz Diorite)
Structure
Front Range Uplift, Thompson Canyon Fault, Mt Olympus Batholith, Ne-Trending Folds
Tectonic setting
Central Cordillera (Southern Rocky Mtns)
Economic & production
Development status
Past Producer
First production
1963
Last production
1963
Identification
Deposit ID
10087860
MRDS ID
D010336
Region
NA
Data score
B
Coordinates
40.55831, -105.45059
References
THURSTON, W.R., 1955, PEGMATITES OF THE CRYSTAL MOUNTAIN DISTRICT, LARIMER COUNTY, COLORADO: USGS BULL. 1011, 185 P., 13 PLS.COLORADO DIV. MINES ANN. OPERATOR REPTS.COLORADO DIV. MINES ANN. OPERATOR REPT.