| Deposit ID | 10079409 |
|---|---|
| MRDS ID | W028938 |
| Record type | Site |
| Current site name | Riverton Group |
| Geographic coordinates: | -88.63672, 46.08528 (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 | 36 01 | 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) | -88.63672, 46.08528 |
|---|
| Operation type | Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Deposit size | Medium |
| Significant | Yes |
| District name | Menominee Range |
|---|
| Ownership category | Private |
|---|
| Year | 1937 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1882-1937 | ||||||||||||||
| Material | ore Fe | ||||||||||||||
| Ore mined | 5975655mt | ||||||||||||||
| Accuracy | Accurate | ||||||||||||||
| |||||||||||||||
LAKE SUPERIOR IRON ORE ASSOCIATION, 1938, LAKE SUPERIOR IRON ORES (1ST ED.): CLEVELAND, OHIO. P. 162.
CROWELL, BENEDICT AND MURRAY, C.B., INC., 1914, 1917, 1923, 1927, 1930, THE IRON ORES OF LAKE SUPERIOR (2ND, 3RD, 5TH-7TH EDS.): CLEVELAND, OHIO. PP. 214, 270-271, 243-244, 315, 284-285 RESPECTIVLY.
JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, IRON COUNTY, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.
| Subject category | Comment text |
|---|---|
| Deposit | OPENED 1882, SHIPPED THROUGH 1937 EXCEPT 1893-1897 AND 1932-1934. SHIPMENTS IN 1935-1937 WERE FROM STOCKPILE. OPERATED BY OLIVER MINING CO. WORKED UNDERGROUND. LEASES ON DOBER, DUFF, AND ISABELLA SURRENDERED IN 1933, AND NEW LEASES TAKEN BY M.A. HANNA CO. TO FORM THE HIAWATHA #2 MINE, WHICH SHIPPED 1935-1967 (SEE SEPARATE REPORT, THIS FILE). |
| 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.