Mine detail: Giant Crystal Mine

Previously called ''

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Location

Lat / long: 40.41526, -105.37448

Resource(B)

Primary: Beryllium, Mica
Ore: Beryl, Muscovite

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
Last production ended: 1960

Geology

Host rock:Metasedimentary Rocks-Mica Shcist;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

MRDSD010322
DEP10087854
Reference{Deposit:: THURSTON, W.R., 1955, PEGMATITES OF THE CRYSTAL MOUNTAIN DISTRICT, LARIMER COUNTY, COLORADO: USGS BULL. 1011, 185 P., 13 PLS.}{Deposit:: COLORADO DIV. MINES INF. REPT.}{Deposit:: BRADDOCK, W.A., AND OTHERS, 1970, GEOLOGIC MAP OF THE DRAKE QUADRANGLE, LARIMER COUNTY, COLORADO: USGS MAP GQ-829.}
ReporterSchwochow, Stephen D.