Mine detail: Lewis Beryl Prospect

Previously called ''

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Location

Lat / long:

40.48248, -105.38615

Resource(B)

Primary:	Mica, Beryllium
Ore:	Beryl, Muscovite
Gangue:	Albite, Microcline
Orebody form:	OVOID
Discovery year:	1943

Production

Operation type:	Unknown
Production size:	None
Development status:	Occurrence

Geology

Host rock:	Metasedimentary Rocks-Quartz-Mica Schist;Pegmatite
Host type:	Mica Schist
Associated rock:	Pegmatite;Tonalite (Quartz Diorite)
Associated type:	Tonalite,Pegmatite
Structure:	Front Range Uplift, Thompson Canyon Fault, Mt Olympus Batholith, Ne-Trending Folds
Tectonic:	Central Cordillera (Southern Rocky Mtns)

References

MRDS	D010332
DEP	10013819
Reference	{Deposit:: THURSTON, W.R., 1955, PEGMATITES OF THE CRYSTAL MOUNTAIN DISTRICT, LARIMER COUNTY, COLORADO: USGS BULL. 1011, 185 P., 13 PLS.}{Deposit:: HANLEY, J.B., AND OTHERS, 1950, PEGMATITE INVESTIGATIONS IN COLORADO, WYOMING, AND UTAH, 1942-1944: USGS PROF. PAPER 227, P. 102.}
Reporter	Schwochow, Stephen D.