Mine detail: Hyatt Ranch Mine

<< Back to the map

<< Back to browsing

Location: Larimer County, Colorado, United States, North America
Lat / long: 40.4597, -105.35337
dep_id: 10013857
mrds_id: D010387
Commodity type: metallic and nonmetallic
Major mineral: Feldspar, Beryllium, Mica
Trace mineral: Uranium, Lithium, Bismuth, Phosphorus-Phosphates
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Producer
ore: Beryl, Muscovite
gangue: Albite, Apatite, Bertrandite, Bismuthinite, Cleavelandite, Garnet, Purpurite, Torbernite, Tourmaline, Triphylite, Uraninite
orebody_fm: LENTICULAR
alteration: Fe Oxidation; Alteration Of Bi And U Minerals
Reporter: Schwochow, Stephen D.
hrock_unit: Metasedimentary Rocks--Quartz-Mica Schist;Pegmatite
hrock_type: Tonalite,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)
Year first produced: 1936
yr_lst_prd: 1948
disc_yr: 1936
discr: Roy Hyatt
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. 99-102.
  • Deposit:: MEEVES, H.C., AND OTHERS, 1966, RECONNAISSANCE OF BERYLLIUM-BEARING PEGMATITE DEPOSITS IN SIX WESTERN STATES: USBM IC-8298, P. 30.
  • Deposit:: GILKEY, M.M., 1960, HYATT RANCH PEGMATITE, LARIMER COUNTY, COLO.: USBM RI-5643, 18 P. & &
  • Deposit:: BRADDOCK, W.A., AND OTHERS, 1970, GEOLOGIC MAP OF THE DRAKE QUADRANGLE, LARIMER COUNTY, COLORADO: USGS MAP GQ-829.
  • Production:: HANLEY AND OTHERS, 1950; THURSTON, 1955
© 2010-2018 Lee C. Baker unless noted. All rights reserved.