Commodities
PrimaryBeryllium, Lithium
TertiaryUranium
Commodity typeM
Deposit
Deposit sizeS
WorkingsSurface
Materials
Ore mineralsBeryl
GangueApatite, Garnet, Tourmaline, Triphylite, Uraninite
Geology
Host rockMica Schist · Metasedimentary Rocks-Mica Schist;Pegmatite
Associated rockTonalite,Pegmatite · Pegmatite;Tonalite (Quartz Diorite)
StructureFront Range Uplift, Thompson Canyon Fault, Mt Olympus Batholith, Ne-Trending Folds
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
Economic & production
Development statusPast Producer
Last production1958
Identification
Deposit ID10013816
MRDS IDD010326
Alternate namesBig Diggings
RegionNA
Data scoreB
Coordinates40.46887, -105.38448
References
THURSTON, W.R., 1955, PEGMATITES OF THE CRYSTAL MOUNTAIN DISTRICT, LARIMER COUNTY, COLORADO: USGS BULL. 1011, 185 P., 13 PLS.MEEVES, H.C., AND OTHERS, 1966, RECONNAISSANCE OF BERYLLIUM-BEARING PEGMATITE DEPOSITS IN SIX WESTERN STATES: USBM IC-8298, P. 30.COLORADO DIV. MINES INF. REPTS.NELSON-MOORE, J.L., AND OTHERS, 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULL. 40, P. 209.COLORADO DIV. MINES INF. REPTS.; NELSON-MOORE AND OTHERS, 1978