Commodities
PrimaryFeldspar
SecondaryQuartz, Mica, Beryllium
Commodity typeB
Deposit
Model32: Pegmatites
Deposit sizeS
WorkingsSurface/Underground
Orebody formIRREGULAR
Materials
Ore mineralsBeryl, Microcline, Muscovite, Quartz
GangueBiotite, Garnet, Jasper, Opal, Tourmaline
Geology
Host rockGneiss · Migmatitic Gneiss
Associated rockAmphibolite,Granite · Granites, Amphibolites Associated With Gneiss
StructureNorthern Wet Mountains, Ne-Trending Faults
Tectonic settingCentral Cordillera (Southern Rocky Mountains)
Economic & production
Development statusPast Producer
Discovery year1950
Identification
Deposit ID10108445
MRDS IDDC05743
RegionNA
Data scoreB
Coordinates38.45334, -105.47058
References
USBM MINERAL EXAM. FILECONSERVATION DIV. RECORD DATA FILESTAYLOR,R.B., SCOTT, G.R., WOBUS, R.A. AND EPIS, R.C., 1975, RECONNAISSANCE GEOLOGIC MAP OF THE ROYAL GORGE QUADRANGLE, FREMONT AND CUSTER COUNTIES, COLORADO: USGS MAP I-869, 1:62,500HANLEY, J.B., HEINRICH, E.W., AND PAGE, L.R., 1950, PEG MATITE INVESTIGATIONS IN COLORADO, WYOMING AND UTAH, 1942-1944; USGS PROFESSIONAL PAPER 227, P 41-42