Commodities
PrimaryFeldspar, Mica
SecondaryBeryllium
TertiaryNiobium (Columbium), Tantalum
Commodity typeB
Deposit
Model32: Pegmatites
Deposit sizeS
Orebody formTABULAR
Ore controlFaults?, Pegmatite
Materials
Ore mineralsBeryl, Microcline, Muscovite
GangueBiotite, Garnet, Tourmaline
Geology
Host rockGneiss,Pegmatite · Migmatitic Gneiss
Associated rockPegmatite · Pegmatite
StructureSouthern Front Range, Folding, Faulting
Tectonic settingCentral Cordillera (Southern Rocky Mountains)
Economic & production
Development statusPast Producer
Identification
Deposit ID10017765
MRDS IDDC04229
RegionNA
Data scoreB
Coordinates38.48945, -105.33946
References
USBM MINERAL EXAM. FILETAYLOR, 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, 1:62,500.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.CONSV. DIV. COMP. DATE, 1,64 F5) HANLEY, J.B., HEINRICH, E.W., PAGE, L.R., 1950, PEGMATITE INVESTIGATIONS IN COLORADO, WYOMING, AND UTAH, 1942-1944: USGS PROFESSIONAL PAPER 227, P. 34-42. F5) HANLEY, J.B., HEINRICH, E.W., PAGE, L.R., 1950, PEGMATITE INVESTIGATIONS IN COLORADO, WYOMING, AND UTAH, 1942-1944: USGS PROFESSIONAL PAPER 227, P. 34-42.