Commodities
PrimaryTungsten
SecondaryTin
Commodity typeM
Deposit
Deposit sizeN
WorkingsUnderground
Ore controlFractures, Faults, Lithology; Ne-Trending Veins
Materials
Ore mineralsCassiterite, Scheelite, Wolframite
GangueFluorite, Muscovite, Pyrite, Quartz
Geology
Host rockGneiss,Granite · Idaho Springs Formation
Associated rockGranite · Silver Plume Granite, Tappan Mountain Stock
StructureTarryall Mountains, Front Range, Badger Flats, Badger Flats Fault, Round Mountain Syncline, Minor Faults, Intrusives
Tectonic settingCentral Cordillera (Southern Rocky Mountains)
AlterationGreisenization
Economic & production
Development statusOccurrence
Discovery year1885
Identification
Deposit ID10094632
MRDS IDD010343
RegionNA
Data scoreB
Coordinates39.07222, -105.37558
References
HAWLEY, C.C., 1969, GEOLOGY AND BERYLLIUM DEPOSITS OF THE LAKE GEORGE (OR BADGER FLATS) BERYLLIUM AREA, PARK AND JEFFERSON COUNTIES, COLORADO: USGS PROFESSIONAL PAPER 608-A, 44 P.HAWLEY, C.C. AND WOBUS, R.A., 1977, GENERAL GEOLOGY AND PETROLOGY OF THE PRECAMBRIAN CRYSTALLINE ROCKS, PARK AND JEFFERSON COUNTIES, COLORADO: USGS PROFESSIONAL PAPER 608-B, 77 P.HAWLEY, C.C. AND GRIFFITS, W.R., 1968, DISTRIBUTION OF BERYLLIUM, TIN, AND TUNGSTEN IN THE LAKE GEORGE AREA, COLORADO: USGS CIRCULAR 597, 18 P.TWETO, OGDEN, 1960, SCHEELITE IN THE PRECAMBRIAN GNEISSES OF COLORADO: ECONOMIC GEOLOGY, V. 55, P. 1406-1428. & &LEMMON, D.M. AND TWETO, O.L., 1962, TUNGSTEN IN THE UNITED STATES: USGS MAP MR-25.