Mine detail: Rock King Prospect

Previously called ''

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Location

Lat / long: 38.63222, -105.95948

Resource(B)

Primary: Feldspar, Mica
Secondary: Beryllium
Tertiary: Tantalum, Niobium (Columbium)
Ore: Albite, Beryl, Microcline, Muscovite
Gangue: Biotite, Garnet, Quartz
Orebody form: TABULAR
Discovery year: 1937

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer

Geology

Host type:Diorite,Granite
Associated rock:Granodiorite
Associated type:Diorite
Structure:Southern Mosquito Range, Thirty Nine Mile Volcanic Field, Arkansas Valley Graben, E-W-Trending Faults, Pegmatite Dikes
Tectonic:Central Cordillera (Southern Rocky Mountains)

References

MRDSD010264
DEP10013782
Reference{Deposit:: HANLEY, J.B., HEINRICH, E.W., PAGE, L.R., 1950, PEGMATITE INVESTIGATIONS IN COLORADO, WYOMING, AND UTAH, 1942-1944: USGS PROFESSIONAL PAPER 227, P. 23-27}{Deposit:: SCOTT, G.R., TAYLOR, R.B., EPIS, R.C. AND WOBUS, R.A., 1978, GEOLOGIC MAP OF THE PUEBLO 1 DEG X 2 DEG QUADRANGLE, SOUTH-CENTRAL COLORADO: USGS MAP I-1022, 1:250,000}{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. 24}{Deposit:: BOARDMAN, S.J., 1976, GEOLOGY OF THE PRECAMBRIAN METAMORPHIC ROCKS OF THE SALIDA AREA, CHAFFEE COUNTY, COLORADO: THE MOUNTAIN GEOLOGIST, V. 13, NO. 3, P. 89-100.}{Deposit:: BOARDMAN, S.J., 1971, PRECAMBRIAN GEOLOGY AND MINERAL DEPOSITS OF THE SALIDA AREA, CHAFFEE COUNTY, COLORADO: PH.D. THESIS. UNIVERSITY OF MICHIGAN, 131 P.}{Deposit:: VAN DIVER, B.B., 1957, GEOLOGY OF THE CALUMET MINING DISTRICT, CHAFFEE COUNTY, COLORADO: UNIVERSITY OF COLORADO THESIS, P. 83}{Production:: BOARDMAN, S.J. (1976)}
ReporterCollins, Donna B.