Description
Jack Lewis (Claimant)
Commodities
PrimaryMica, Beryllium
Commodity typeB
Deposit
Deposit sizeN
WorkingsSurface/Underground
Orebody formOVOID
Materials
Ore mineralsBeryl, Muscovite
GangueAlbite, Microcline
Geology
Host rockMica Schist · Metasedimentary Rocks-Quartz-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 statusOccurrence
Discovery year1943
Identification
Deposit ID10013819
MRDS IDD010332
RegionNA
Data scoreB
Coordinates40.48248, -105.38615
References
THURSTON, W.R., 1955, PEGMATITES OF THE CRYSTAL MOUNTAIN DISTRICT, LARIMER COUNTY, COLORADO: USGS BULL. 1011, 185 P., 13 PLS.HANLEY, J.B., AND OTHERS, 1950, PEGMATITE INVESTIGATIONS IN COLORADO, WYOMING, AND UTAH, 1942-1944: USGS PROF. PAPER 227, P. 102.