| Deposit ID | 10079397 |
|---|---|
| MRDS ID | W028922 |
| Record type | Site |
| Current site name | Cortland Mine |
| Geographic coordinates: | -88.6595, 46.07667 (WGS84) |
|---|
Political divisions (FIPS codes)
Iron(county)
Michigan(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Iron River(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 | 035W | 34 | NE OF SE | 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) | -88.6595, 46.07667 |
|---|
| Operation type | Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Year of first production | 1912 |
| Year of last production | 1914 |
| District name | Menominee Range |
|---|
| Ownership category | Private |
|---|
| Year | 1914 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1912-1914 | ||||||||||||||
| Material | ore Fe | ||||||||||||||
| Ore mined | 52982mt | ||||||||||||||
| Accuracy | Accurate | ||||||||||||||
| |||||||||||||||
LAKE SUPERIOR IRON ORE ASSOCIATION, 1938, LAKE SUPERIOR IRON ORES (1ST ED.): CLEVELAND, OHIO, P. 150.
JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, IRON COUNTY, P. 99-101, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.
| Subject category | Comment text |
|---|---|
| Deposit | OPENED 1912, SHIPPED 1912-1914. FORMERLY OPERATED BY WICKWIRE MINING CO. (WICKWIRE STEEL CO., AGENT). SE OF SE OF SECTION 34 ACQUIRED AND LAST HELD BYOPENED 1912, SHIPPED 1912-1914. FORMERLY OPERATED BY WICKWIRE MINING CO. (WICKWIRE STEEL CO., AGENT). SE OF SE OF SECTION 34 ACQUIRED AND LAST HELD BY HANNA IRON ORE CO. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-APR-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.