Location: | Larimer County, Colorado, United States, North America |
Lat / long: | 40.59776, -105.36503 |
dep_id: | 10013823 |
mrds_id: | D010340 |
Commodity type: | metallic |
Major mineral: | Beryllium |
Operation type: | Unknown |
Production size: | Small ammount of material produced |
Development status: | Past Producer |
ore: | Beryl, Chrysoberyl |
gangue: | Albite, Garnet, Hematite, Magnetite, Microcline, Sillimanite |
alteration: | Fe Oxidation; Sericitization Of Sillimanite |
Reporter: | Schwochow, Stephen D. |
hrock_unit: | Metamorphic Rocks--Biotite Gneiss, Schist, And Migmatite;Pegmatite |
hrock_type: | Schist,Gneiss |
arock_unit: | Pegmatite;Diabase |
arock_type: | Diabase,Pegmatite |
Structure: | Front Range Uplift, Thompson Canyon Fault, Mt Olympus Batholith, Ne-Trending Folds |
tectonic: | Central Cordillera (Southern Rocky Mtns) |
Year first produced: | 1941 |
disc_yr: | 1941 |
discr: | Leslie Barker |
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. 102-104, PL. 15.
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