| Lat / long: | 38.6175, -105.9467 |
| Primary: | Manganese |
| Secondary: | Iron |
| Ore: | Limonite, Pyrolusite, Siderite |
| Discovery year: | 1933 |
| Operation type: | Unknown |
| Production size: | None |
| Development status: | Occurrence |
| Host rock: | Leadville Limestone |
| Host type: | Limestone |
| Associated rock: | Granodiorite (Calumet Granodiorite) |
| Associated type: | Diorite |
| Structure: | Southern Mosquito Range, N-S-Trending Fault, Pleasant Valley Syncline |
| Tectonic: | Central Cordillera (Southern Rocky Mountains) |
| Alteration processes: | Oxidation |
| MRDS | D010516 |
| DEP | 10013944 |
| Reference | {Deposit:: OSBORN, E.F. AND RAINWATER, E.H., 1934, GEOLOGY OF THE CALUMET, COL ORADO MINING DISTRICT: ILLINOIS NORTHWESTERN UNIVERSITY UNPUBLISHED MA STER OF ARTS THESIS, P. 132-133}{Deposit:: SCOTT, G.R., TAYLOR, R.B., EPIS, R.C. AND WOBUS, R.A., 1978, GEOLOG IC MAP OF THE PUEBLO 10 X 20 QUADRANGLE,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}{Deposit:: BEHRE, C.H., JR., OSBORN, E.F., RAINWATER, E.H., 1936, CONTACT ORE DEPOSITION AT THE CALUMET IRON MINE, COLORADO: ECONOMIC GEOLOGY, V. 31 , NO. 8, P. 804.} |
| Reporter | Collins, Donna B. |