Commodities
PrimaryFeldspar, Beryllium, Mica
SecondaryNiobium (Columbium), Tantalum
TertiaryBismuth, REE, Uranium, Thorium, Lithium
Commodity typeB
Deposit
Deposit sizeS
WorkingsSurface
Orebody formTABULAR
Materials
Ore mineralsAllanite, Beryl, Columbite, Euxenite, Gadolinite, Microcline, Monazite, Muscovite, Pyrochlore, Tantalite, Xenotime
GangueBiotite, Sericite, Topaz, Triphylite
Geology
Host rockGneiss · Idaho Springs Formation---Interlayered Hornblende Gneiss, Calc-Silicate Gneiss, And Amphibolite
Associated rockPegmatite · Pegmatite
StructureFront Range Uplift, Denver Basin, Floyd Hill Fault Zone
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
Economic & production
Development statusPast Producer
First production1942
Last production1944
Identification
Deposit ID10013739
MRDS IDD010198
Alternate namesSunrise Peak Mine, Traut-Rudin-Anderson Pegmatite
RegionNA
Data scoreB
Coordinates39.68138, -105.32336
References
HANLEY, J.B., AND OTHERS, 1950, PEGMATITE INVESTIGATIONS IN COLORADO, WYOMING, AND UTAH, 1942-44: USGS PROF. PAPER 227, P. 84OLSON, J.C., AND ADAMS, J.W., 1962, THORIUM AND RARE EARTHS IN THE UNITED STATES: USGS MAP MR-28BOOS, M.F., 1954, GENESIS OF PRECAMBRIAN PEGMATITES IN THE DENVER MOUNTAIN PARKS AREA, COLORADO: GSA BULL., V. 65, P. 115-142HEINRICH, E.W., 1947, BEYERITE FROM COLORADO: AM. MINERALOGIST, V. 32, NOS. 11-12, P. 660-669MEEVES, H.C., AND OTHERS, 1966, RECONNAISSANCE OF BERYLLIUM-BEARING PEGMATITE DEPOSITS IN SIX WESTERN STATES: USBM IC-8298, P. 29.USBM MIN. EXAM. FILE (FROM ORIGINAL CRIB RECORD)ORIGINAL CRIB RECORD (PROBABLY USBM REFERENCE)