Commodities
PrimaryBeryllium
TertiaryLithium, Niobium (Columbium), Tantalum
Commodity typeM
Materials
Ore mineralsAmblygonite, Beryl
Geology
Host rockGneiss · Metasedimentary Rocks--Quartzofeldspathic Schist And Gneiss;Pegmatite
Associated rockTonalite,Pegmatite · Pegmatite;Tonalite (Quartz Diorite)
StructureFront Range Uplift, Ne-Trending Fault
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
Economic & production
Development statusProducer
Identification
Deposit ID10013870
MRDS IDD010404
RegionNA
Data scoreB
Coordinates40.35498, -105.29253
References
THURSTON, W.R., 1955, PEGMATITES OF THE CRYSTAL MOUNTAIN DISTRICT, LARIMER COUNTY, COLORADO: USGS BULL. 1011, 185 P., 13 PLS.MEEVES, H.C., AND OTHERS, 1966, RECONNAISSANCE OF BERYLLIUM-BEARING PEGMATITE DEPOSITS IN SIX WESTERN STATES: USBM IC-8298, P. 30.COLTON, R.B., 1978, GEOLOGIC MAP OF THE BOULDER-FORT COLLINS-GREELEY AREA, COLORADO: USGS MAP I-855-G.DMEA RECORDS AND CONSERV. DIV. COMP. DATA (FROM ORIGINAL CRIB RECORD)