Commodities
PrimaryManganese
SecondaryIron
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Ore controlStratigraphically Above Main Sill Of Granodiorite; Fault Zone, Frac Tures
Materials
Ore mineralsLimonite, Pyrolusite, Siderite
Geology
Host rockLimestone · Leadville Limestone
Associated rockDiorite · Granodiorite (Calumet Granodiorite)
StructureSouthern Mosquito Range, Northern Sangre De Cristo Range, Fault Trending N-S; Pleasant Valley Syncline
Tectonic settingCentral Cordillera (Southern Rocky Mountains)
AlterationOxidation
Economic & production
Development statusPast Producer
First production1933
Discovery year1933
Identification
Deposit ID10101855
MRDS IDD010522
RegionNA
Data scoreB
Coordinates38.61778, -105.94642
References
OSBORN, E.F. AND RAINWATER, E.H., 1934, GEOLOGY OF THE CALUMENT, CO LORADO MINING DISTRICT: ILLINOIS NORTHWESTERN UNIVERSITY UNPUBLISHED M ASTER OF ARTS THESIS, P. 132-133.SCOTT, G.R., TAYLOR, R.B., EPIS, R.C. AND WOBUS, R.A., 1978, GEOLOG IC MAP OF THE PUEBLO 10 X 20 QUADRANGLE, SOUTH-CENTRAL COLORADO: USGS MAP I-1022, 1:250,000.BEHRE, C.H., JR., OSBORN, E.F., RAINWATER, E.H, 1936, CONTACT ORE D EPOSITION AT THE CALUMET IRON MINE, COLORADO: ECONOMIC GEOLOGY, V. 31, NO. 8, P. 804