Colorado · Larimer County
Occurrence

Humphrey Beryl Prospect

Larimer County, Colorado, United States
MicaBeryllium
⌖ Show on mapUSGS source ↗
Commodities
PrimaryMica, Beryllium
Commodity typeB
Deposit
Deposit sizeN
WorkingsSurface
Orebody formTABULAR
Materials
Ore mineralsBeryl, Muscovite
GangueAlbite, Microcline
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 statusOccurrence
Identification
Deposit ID10087857
MRDS IDD010329
RegionNA
Data scoreB
Coordinates40.53942, -105.41087
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. 96-97.