Mine detail: Calumet Mine

Previously called 'Calumet Iron Mine, Calumet-Hecla-Smithville Magnetite DepositPatented Lode Claims: Calumet, Calumet No. 2, Hecla, Hecla No. 2,Smithville, Smithville No. 2Patented Placer Claims: Calumet, Hecla-Williamson, SmithvilleCf&I Co. Mine'

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Location

Lat / long: 38.63737, -105.94785

Resource(B)

Primary: Iron
Secondary: Copper, Tungsten, Vermiculite
Tertiary: Magnesite, Corundum
Ore: Chalcopyrite, Corundum, Hematite, Limonite, Magnesite, Magnetite, Malachite, Pyrite, Scheelite, Vermiculite
Gangue: Actinolite, Apatite, Biotite, Calcite, Diopside, Epidote, Garnet, Tremolite, Wernerite
Discovery year: 1880

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
First production started: 1882
Last production ended: 1928

Geology

Host rock:Leadville Limestone
Host type:Limestone,Dolomite
Associated rock:Granodiorite (Calumet Granodiorite)
Associated type:Diorite
Structure:Southern Mosquito Range, Arkansas Valley Graben, West Flank Pleasant Valley Syncline, 2 Faults (Trending N 15 E, N 60 W)
Tectonic:Central Cordillera (Southern Rocky Mountains)
Alteration processes:Contact Metamorphism With Bleaching, Marmorization, Epidotization, Oxidation

References

MRDSD010350
DEP10101849
Reference{Deposit:: OSBORN, E.F. AND RAINWATER, E.H., 1934, GEOLOGY OF THE CALUMET, COLORADO MINING DISTRICT: ILLINOIS NORTHWESTERN UNIVERSITY UNPUBLISHED M.A. THESIS, 42 P.}{Deposit:: BEHRE, C.H., OSBORN, E.F., RAINWATER, E.H., 1936, CONTACT ORE DEPOSITION AT THE CALUMET IRON MINE, COLORADO: ECONOMIC GEOLOGY, V. 31, NO. 8, P. 781-804.}{Deposit:: VAN DIVER, B.B., 1957, GEOLOGY OF THE CALUMET MINING DISTRICT, CHAFFEE COUNTY, COLORADO: UNIVERSITY OF COLORADO THESIS, P.}{Deposit:: BELSER, CARL, 1956, TUNGSTEN POTENTIAL IN CHAFFEE, FREMONT, GUNNISON, LAKE, LARIMER, PARK, AND SUMMIT COUNTIES, COLORADO: USBM INFORMATION CIRCULAR 7748, P. 3-7. & &}{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:: SCOTT, G.R., TAYLOR, R.B., EPIS, R.C., 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:: LEMMON, D.M., AND TWETO, O.L., 1962, TUNGSTEN IN THE UNITED STATES: USGS MAP MR-25.}{Deposit:: SHARPS, T.I., 1965, TUNGSTEN IN COLORADO: COLORADO SCHOOL OF MINES MINERAL INDUSTRIES BULLETIN, V. 8, NO. 5, P. 6.}{Deposit:: HANLEY, J.B., HEINRICH, E.W. AND PAGE, L.R., 1950, PEGMATITE INVESTIGATIONS IN COLORADO, WYOMING, AND UTAH 1942-43: USGS PROFESSIONAL PAPER 227.?}{Deposit:: PEARL, R.M., 1958, COLORADO GEM TRAILS AND MINERAL GUIDE: SAGE BOOKS, P. 86-90.}{Deposit:: BHUTTA, M.A., 1954, GEOLOGY OF THE SALIDA AREA, CHAFFEE AND FREMONT COUNTIES, COLORADO: COLORADO SCHOOL OF MINES PHD THESIS, 173 P.}{Deposit:: HARRER, C.M. AND TESCH, W.J., JR., 1959, RECONNAISSANCE OF IRON OCCURRENCES IN COLORADO: USBM INFORMATION CIRCULAR 7918, P. 14-17.}{Production:: HARRER, C.M. (1959); BHUTTA, M.A. (1954)}
ReporterCollins, Donna B.