Colorado · Park County
Past Producer

Boomer Mine

Park County, Colorado, United States
BerylliumSilverUraniumMolybdenumTungstenLeadZincCopperArsenicIronTin
⌖ Show on mapUSGS source ↗
Commodities
PrimaryBeryllium
SecondarySilver, Uranium, Molybdenum, Tungsten
TertiaryLead, Zinc, Copper, Arsenic, Iron, Tin
Commodity typeM
Deposit
Deposit sizeS
WorkingsSurface/Underground
Orebody formCUPOLAS, PODS, IRREGULAR LENSES
Ore controlGreisenized Rocks; Deposits Localized By Fissures (Especially Ne- And Nw-Trending Fracture Sets), Contacts, Favorable Rock Units; Boomer Vein
Materials
Ore mineralsBertrandite, Beryl, Cassiterite, Chalcopyrite, Covellite, Euclase, Galena, Molybdenite, Pyrite, Silver, Sphalerite, Uraninite, Wolframite
GangueFluorite, Muscovite, Quartz, Siderite, Topaz
Geology
Host rockGneiss,Amphibolite,Pegmatite,Granite · Idaho Springs Formation
Associated rockGranite · Redskin Granite
StructureTarryall Mountains, Front Range, Puma Hills, Badger Flats, Badger Flats Fault, Minor Faults (Especially Steeply-Dipping Ne- And Nw-Trending Faults), Round Mountain Syncline, Boomer Cupola, Boomer Vein
Tectonic settingCentral Cordillera (Southern Rocky Mountains)
AlterationGreisenization
Economic & production
Development statusPast Producer
First production1895
Last production1965
Discovery year1895
Identification
Deposit ID10013786
MRDS IDD010271
Alternate namesEast Boomer, Outhouse Lode, Mammoth Lode, Florman Shaft
RegionNA
Data scoreA
Coordinates39.07639, -105.44891
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.MEEVES, H.C., 1966, NONPEGMATITIC BERYLLIUM OCCURRENCES IN ARIZONA, COLORADO, NEW MEXICO, UTAH, AND FOUR ADJACENT STATES: USBM REPORT OF INVESTIGATIONS 6828, P. 25-34.HAWLEY, C.C. AND GRIFFITTS, W.R., 1968, DISTRIBUTION OF BERYLLIUM, TIN, AND TUNGSTEN IN THE LAKE GEORGE AREA, COLORADO: USGS CIRCULAR 597, 18 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.SIEMS, P.L., 1963, BERYLLIUM: COLORADO SCHOOL OF MINES MINERAL INDUSTRIES BULLETIN, V. 6, NO. 3, 15 P.WORCESTER, P.G., 1919, MOLYBDENUM DEPOSITS OF COLORADO: CGS BULLETIN 14, P. 73-74.SHARP, W.N. AND HAWLEY, C.C., 1960, BERTRANDITE-BEARING GREISEN, A NEW BERYLLIUM ORE, IN THE LAKE GEORGE DISTRICT, COLORADO, IN SHORT PAPERS IN THE GEOLOGICAL SCIENCES: USGS PROFESSIONAL PAPER 400-B, P. B73-B74.HAWLEY, C.C., SHARP, W.N., GRIFFITTS, W.R.,1960, PRE-MINERALIZATION FAULTING IN THE LAKE GEORGE AREA, PARK COUNTY, COLORADO, IN, SHORT PAPERS IN THE GEOLOGICAL SCIENCES: USGS PROFESSIONAL PAPER 400-B, P. B71-B73GALLAGHER, G.L., 1976, URANIUM FAVORABILITY OF PRECAMBRIAN ROCKS IN THE BADGER FLATS-ELKHORN THRUST AREA, PARK AND TELLER COUNTIES, COLORADO: USERDA REPORT GJBX-55(76), 30 P.NELSON-MOORE, J.L., COLLINS, D.B. AND HORNBAKER, A.L., 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULLETIN 40, P. 365HAWLEY, C.C. (1969); SIEMS, P.L. (1963)