Commodities
PrimaryMica
SecondaryUranium
TertiaryBeryllium, Feldspar, Lithium
Commodity typeB
Deposit
Deposit sizeS
WorkingsSurface/Underground
Orebody formLENTICULAR
Materials
Ore mineralsBeryl, Microcline, Muscovite
GangueApatite, Garnet, Spodumene, Torbernite, Tourmaline
Geology
Host rockSchist · Metasedimentary Rocks-Quartz-Biotite Schist;Pegmatite
Associated rockTonalite,Pegmatite · Pegmatite;Tonalite (Quartz Diorite)
StructureFront Range Uplift, Thompson Canyon Fault, Mt Olympus Batholith, Ne-Trending Folds
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
Economic & production
Development statusPast Producer
First production1936
Last production1961
Identification
Deposit ID10087851
MRDS IDD010315
RegionNA
Data scoreB
Coordinates40.52109, -105.40809
References
THURSTON, W.R., 1955, PEGMATITES OF THE CRYSTAL MOUNTAIN DISTRICT, LARIMER COUNTY, COLORADO: USGS BULL. 1011, 185 P., 13 PLS.HANLEY, J.B., AND OTHERS, 1950, PEGMATITE INVESTIGATIONS IN COLORADO, WYOMING, AND UTAH, 1942-1944: USGS PROF. PAPER 227, P. 92-93.MEEVES, H.C., AND OTHERS, 1966, RECONNAISSANCE OF BERYLLIUM-BEARING PEGMATITE DEPOSITS IN SIX WESTERN STATES: USBM IC-8298, P. 29.COLORADO DIV. MINES ANNUAL OPERATOR REPTS.NELSON-MOORE, J.L., AND OTHERS, 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULL. 40, P. 208.HANLEY AND OTHERS, 1950; NELSON-MOORE AND OTHERS, 1978; COLORADO DIV. MINES ANN. OPERATOR REPTS.