| Deposit ID | 10106113 |
|---|---|
| MRDS ID | W028645 |
| Record type | Site |
| Current site name | Columbia Mine |
| Alternate or previous names | Shafer Mine, Sheldon & Shafer Mine, Union Mine, Chafter Mine |
| Geographic coordinates: | -88.35865, 46.08667 (WGS84) |
|---|
Political divisions (FIPS codes)
Iron(county)
Michigan(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Crystal Falls(quadrangle 1:24,000 scale)
Iron River(quadrangle 1:100,000 scale)
Iron River(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Brule(hydrologic unit)
Northwestern Lake Michigan(hydrologic accounting unit)
Northwestern Lake Michigan(hydrologic subregion)
Great Lakes(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Michigan | Iron |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Michigan | 043N | 032W | 31 | NW OF NW | Michigan |
| NE OF NW | Michigan | ||||
| SE OF NW | Michigan | ||||
| SW OF NW | Michigan |
| Commodity | Importance |
|---|---|
| Iron | Primary |
| Materials | Type of material |
|---|---|
| Hematite | Ore |
| Goethite | Ore |
| Chert | Gangue |
| Pyrite | Gangue |
| Siderite | Gangue |
| Stilpnomelane | Gangue |
| Chlorite | Gangue |
| Mica | Gangue |
| Model code | 241 |
|---|---|
| USGS model code | 34a |
| Deposit model name | Superior Fe (BC name is Lake Superior & Rapitan types iron-formation) |
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Sedimentary Rock > Chemical Sediment > Iron Formation | ||
| |||
| (1) | -88.35865, 46.08667 |
|---|
| Operation type | Surface-Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Year of first production | 1882 |
| Year of last production | 1963 |
| District name | Menominee Range |
|---|
| Ownership category | Private |
|---|
| Year | 1950 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1882-1950 | ||||||||||||||
| Material | ore Fe | ||||||||||||||
| Ore mined | 4376928mt | ||||||||||||||
| Accuracy | Accurate | ||||||||||||||
| |||||||||||||||
LAKE SUPERIOR IRON ORE ASSOCIATION, 1952, LAKE SUPERIOR IRON ORES (2ND ED.): CLEVELAND, OHIO. P.111.
JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MIINES, IRON COUNTY, P. 90-94, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.
| Subject category | Comment text |
|---|---|
| Deposit | A RESERVE, SHIPPED 1882-1905 AND 1941-1950. FORMERLY HELD BY CORRIGAN MCKINNEY STEEL CORP. COLUMBIA ORE TAKEN THROUGH THE TOBIN SHAFT. TOBIN AND COLUMBIA TOGETHER COMPRISE OLD SHELDON AND SHAFER PROPERTIES. WORKED BY SUB-LEVEL STOPING, UNDERGROUND. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAR-1980 | Yeager, Keith (Cannon, W.) | Michigan Geological Survey Division | |
| Updater | 01-MAR-1997 | Sutphin, D.M. | U.S. Geological Survey | |
| Editor | 01-MAY-1997 | Mason Jr., G.T. | U.S. Geological Survey | |
| Updater | 09-AUG-2001 | Anderson, Arlene (M. Gere) | Michigan Department of Natural Resources |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.