| Deposit ID | 10079402 |
|---|---|
| MRDS ID | W028929 |
| Record type | Site |
| Current site name | Forbes Mine |
| Geographic coordinates: | -88.65061, 46.11778 (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 | 14 | 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 | ||
| Rock unit name | Riverton Iron-Formation | ||
| Rock description | Riverton Iron-Formation | ||
| |||
| (1) | -88.65061, 46.11778 |
|---|
| Operation type | Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | Yes |
| Year of first production | 1912 |
| Year of last production | 1946 |
| District name | Menominee Range |
|---|
| Ownership category | Private |
|---|
| Year | 1939 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1913-1939 | ||||||||||||||
| Material | ore Fe | ||||||||||||||
| Ore mined | 2320363mt | ||||||||||||||
| Accuracy | Accurate | ||||||||||||||
| |||||||||||||||
LAKE SUPERIOR IRON ORE ASSOCIATION, 1952, LAKE SUPERIOR IRON ORES (2ND ED.): CLEVELAND, OHIO. P. 114.
CROWELL, BENEDICT, AND MURRAY, C.B., INC., 1917, 1920, 1927, THE IRON ORES OF LAKE SUPERIOR (3RD, 4TH, 6TH EDS.): CLEVELAND, OHIO. PP. 252-253, 229, 299-300 RESPECTIVLY.
JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, IRON COUNTY, P. 152-153, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.
| Subject category | Comment text |
|---|---|
| Deposit | OPENED 1912. SHIPPED EVERY YEAR 1913-1946 EXCEPT 1917-1919, 1921-1922, 1931-1933 AND 1940-1942. OPERATED AT ONE TIME BY JONES AND LAUGHLIN ORE CO. ACQUIRED BY NORTH RANGE MINING CO. APRIL 1, 1935. OPERATED 1941-1946 BY PITTSBURGH COKE AND IRON CO. WORKED BY STOPING, UNDERGROUND. SE-SW OF SECTION 14 ACQUIRED BY PICKANDS MATHER CO. IN 1947, AND USED AS SITE FOR DAVIDSON SHAFT. PRODUCTION AFTER 1939 INCLUDED IN DAVIDSON TOTALS AS MINED FROM "NEW" DAVIDSON SHAFT |
| 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 | 10-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.