Mine detail: Mica Lode Mine

Previously called 'Mica Hill DepositMicalode Mine'

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Location

Lat / long: 38.47807, -105.30835

Resource(B)

Primary: Feldspar, Mica, Beryllium
Secondary: Niobium (Columbium), Tantalum, REE
Tertiary: Bismuth, Lithium, Copper
Ore: Beryl, Bismutite, Chalcocite, Lepidolite, Malachite, Microcline, Muscovite
Gangue: Albite, Garnet, Quartz, Tourmaline
Orebody form: TAD POLE-SHAPED
Discovery year: 1904

Production

Operation type: Surface
Production size: Small
Development status: Producer
First production started: 1928

Geology

Host rock:Migmatitic Gneiss
Host type:Mica Schist,Gneiss
Associated rock:Granodiorite
Associated type:Diorite
Structure:Southern Front Range, Canon City Embayment, Ne-Trending Fault, Shear Zone
Tectonic:Central Cordillera (Southern Rocky Mountains)

References

MRDSD009880
DEP10013530
Reference{Deposit:: HANLEY, J. B., HEINRICH, E. W. AND PAGE, L. R., 1950, PEGMATITE INVESTIGATIONS IN COLORADO, WYOMING, AND UTAH, 1942-1944: USGS PROFESSIONAL PAPER 227, P. 34-37}{Deposit:: ECKEL, E. B., 1961, MINERALS OF COLORADO, A 100-YEAR RECORD: USGS BULLETIN 1114, P. 20, 72, 160, 339-340.}{Deposit:: TAYLOR, R. B., SCOTT, G.R., WOBUS, R. A. AND EPIS, R. C.,1975, RECONNAISSANCE GEOLOGIC MAP OF THE ROYAL GORGE QUADRANGLE, FREMONT AND CUSTER COUNTIES, COLORADO: USGS MAP I-869, 1:62,500}{Deposit:: MEEVES, H. C., HARRER, C. M., SALSBURY, M. H., KONSELMAN, A. S., SHANNON, S.S., JR., 1966, RECONNAISSANCE OF BERYLLIUM-BEARING PEGMATITE DEPOSITS IN SIX WESTERN STATES; ARIZONA, COLORADO, NEW MEXICO, SOUTH DAKOTA, UTAH, AND WYOMING: USBM INFORMATION CIRCULAR 8298, P. 25}{Deposit:: STERRETT, D. B., 1923, MICA DEPOSITS OF THE UNITED STATES: USGS BULLETIN 740, P. 55-56}{Deposit:: LANDES, K. K., 1935, COLORADO PEGMATITES: AMERICAN MINERALOGIST, V.20, NO. 5, P. 328-329}{Deposit:: HEINRICH, E. W., 1948, PEGMATITES OF EIGHT MILE PARK, FREMONT COUNTY , COLORADO: AMERICAN MINERALOGIST, V. 33, NOS. 7-10,P. 420-448, 550-587.}{Reserve-Resource:: HANLEY, J.B., 1950, P. 37; MEEVES, H.C., 1966, P. 8.}
ReporterCollins, Donna B. (Parker, Raymond L.)