Commodities
PrimaryQuartz, Feldspar, Beryllium, Lithium
SecondaryREE
Commodity typeB
Deposit
Model32: Pegmatites
Deposit sizeS
WorkingsSurface
Ore controlFractures
Materials
Ore mineralsBeryl, Feldspar, Lepidolite
GangueBiotite, Garnet, Magnetite, Topaz, Tourmaline
Geology
Host rockSchist,Gneiss · Migmatitic Gneiss
Associated rockQuartz Monzonite · Quartz Monzonite Of Silver Plume.Age
StructureSouthern Front Range, Ne-Trending Fault Near Texas Creek Fault
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
Economic & production
Development statusProducer
Production years1950-1959
First production1950
Last production1959
Identification
Deposit ID10108446
MRDS IDDC05751
RegionNA
Data scoreB
Coordinates38.48334, -105.59558
References
HEINRICH, E.W. AND VIAN, R.W., 1965, THE CHIEF LITHIUM PEGMATITE, DEVILS HOLE, FREMONT COUNTY, COLORADO: THE AMERICAN MINERALOGIST, V. 50, NOS. 1-2, P. 96-104.MEEVES, H.C., HARRER, C.M., SALSBURY, M.H., KONSELMAN, A.S. AND SHANNON, S.S., JR., 1966, RECONNAISSANCE OF BERYLLIUM-BEARING PEGMATITE DEPOSITS IN SIX WESTERN STATES; ARIZONA, COLORADO, NEW MEXICO, SOUTH DAKOTA, UTAH, AND WYOMING: USBM INFORMATION CIRCULAR 8298, 34 P.TAYLOR, R.B., SCOTT, G.R., WOBUS, R.A. AND EPIS, R.C., 1975, RECONNAISSANCE GEOLOGIC MAP OF THE COTOPAXI 15-MINUTE QUADRANGLE, FREMONT AND CUSTER COUNTIES, COLORADO: USGS MAP I-900, 1:62,500.