| Deposit ID | 10079369 |
|---|---|
| MRDS ID | W028624 |
| Record type | Site |
| Current site name | Tobin Mine |
| Geographic coordinates: | -88.36032, 46.08833 (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 | 30 | SW OF SW | Michigan |
| NW OF SW | Michigan | ||||
| NE OF SW | Michigan | ||||
| SE OF SW | 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) | -88.36032, 46.08833 |
|---|
| Operation type | Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Year of first production | 1891 |
| Year of last production | 1963 |
| District name | Menominee Range |
|---|
| Ownership category | Private |
|---|
| Year | 1963 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1891-1963 | ||||||||||||||
| Material | ore Fe | ||||||||||||||
| Ore mined | 13739662mt | ||||||||||||||
| Accuracy | Accurate | ||||||||||||||
| |||||||||||||||
LAKE SUPERIOR IRON ORE ASSOCIATION, 1952, LAKE SUPERIOR IRON ORES, (2ND ED.): CLEVELAND, OHIO P. 123.
CROWELL, BENEDICT, AND MURRAY, C.B., INC., 1911, 1914, 1917, 1920, 1923, THE IRON ORES OF LAKE SUPERIOR (1ST, 2ND, 3RD, 4TH, 5TH EDS.): CLEVELAND, OHIO. PP. 127-128, 215, 272, 245 AND 295 RESPECTIVELY.
HANNA, T. A., THE STATE OF MICHIGAN MINES AND MINERAL STATISTICS, MARQUETTE, MICHIGAN. P. 81.
JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, IRON COUNTY, 320-327, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.
| Subject category | Comment text |
|---|---|
| Deposit | OPENED 1901, SHIPPED EVERY YEAR THROUGH 1950 EXCEPT 1921, 1926, 1929, 1931 AND 1943-1948. SHIPMENTS FROM 1938-1940 FROM STOCKPILE. OPERATED BY CORRIGAN MCKINNEY STEEL CO. ACQUIRED BY REPUBLIC STEEL CORP. IN 1935 AND WORKED IN CONJUNCTION WITH THE COLUMBIA MINE. 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 | 13-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.