Mine detail: Lewis Beryl Prospect

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Location: Larimer County, Colorado, United States, North America
Lat / long: 40.48248, -105.38615
dep_id: 10013819
mrds_id: D010332
Commodity type: metallic and nonmetallic
Major mineral: Mica, Beryllium
Operation type: Unknown
Production size: No production occurred
Development status: Occurrence
ore: Beryl, Muscovite
gangue: Albite, Microcline
orebody_fm: OVOID
work_type: Surface/Underground
Reporter: Schwochow, Stephen D.
hrock_unit: Metasedimentary Rocks-Quartz-Mica Schist;Pegmatite
hrock_type: Mica Schist
arock_unit: Pegmatite;Tonalite (Quartz Diorite)
arock_type: Tonalite,Pegmatite
Structure: Front Range Uplift, Thompson Canyon Fault, Mt Olympus Batholith, Ne-Trending Folds
tectonic: Central Cordillera (Southern Rocky Mtns)
disc_yr: 1943
discr: Jack Lewis (Claimant)
References:
  • 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.
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