Commodities
PrimaryBeryllium
Commodity typeM
Materials
Ore mineralsBeryl, Chrysoberyl
GangueAlbite, Garnet, Hematite, Magnetite, Microcline, Sillimanite
Geology
Host rockSchist,Gneiss · Metamorphic Rocks--Biotite Gneiss, Schist, And Migmatite;Pegmatite
Associated rockDiabase,Pegmatite · Pegmatite;Diabase
StructureFront Range Uplift, Thompson Canyon Fault, Mt Olympus Batholith, Ne-Trending Folds
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationFe Oxidation; Sericitization Of Sillimanite
Economic & production
Development statusPast Producer
First production1941
Discovery year1941
Identification
Deposit ID10013823
MRDS IDD010340
RegionNA
Data scoreB
Coordinates40.59776, -105.36503
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. 102-104, PL. 15.