Location: | Larimer County, Colorado, United States, North America |
Lat / long: | 40.52109, -105.40809 |
dep_id: | 10087851 |
mrds_id: | D010315 |
Commodity type: | metallic and nonmetallic |
Major mineral: | Mica |
Minor mineral: | Uranium |
Trace mineral: | Beryllium, Feldspar, Lithium |
Operation type: | Unknown |
Production size: | Small ammount of material produced |
Development status: | Past Producer |
ore: | Beryl, Microcline, Muscovite |
gangue: | Apatite, Garnet, Spodumene, Torbernite, Tourmaline |
orebody_fm: | LENTICULAR |
work_type: | Surface/Underground |
Reporter: | Schwochow, Stephen D. |
hrock_unit: | Metasedimentary Rocks-Quartz-Biotite Schist;Pegmatite |
hrock_type: | Schist |
arock_unit: | Pegmatite;Tonalite (Quartz Diorite) |
arock_type: | Tonalite,Pegmatite |
Structure: | Front Range Uplift, Thompson Canyon Fault, Mt Olympus Batholith, Ne-Trending Folds |
tectonic: | Central Cordillera (Southern Rocky Mtns) |
Year first produced: | 1936 |
yr_lst_prd: | 1961 |
References: |
- Deposit:: THURSTON, W.R., 1955, PEGMATITES OF THE CRYSTAL MOUNTAIN DISTRICT, LARIMER COUNTY, COLORADO: USGS BULL. 1011, 185 P., 13 PLS.
- Deposit:: HANLEY, J.B., AND OTHERS, 1950, PEGMATITE INVESTIGATIONS IN COLORADO, WYOMING, AND UTAH, 1942-1944: USGS PROF. PAPER 227, P. 92-93.
- Deposit:: MEEVES, H.C., AND OTHERS, 1966, RECONNAISSANCE OF BERYLLIUM-BEARING PEGMATITE DEPOSITS IN SIX WESTERN STATES: USBM IC-8298, P. 29.
- Deposit:: COLORADO DIV. MINES ANNUAL OPERATOR REPTS.
- Deposit:: NELSON-MOORE, J.L., AND OTHERS, 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULL. 40, P. 208.
- Production:: HANLEY AND OTHERS, 1950; NELSON-MOORE AND OTHERS, 1978; COLORADO DIV. MINES ANN. OPERATOR REPTS.
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