| Deposit ID | 10079398 |
|---|---|
| MRDS ID | W028924 |
| Record type | Site |
| Current site name | Davidson Group Mines |
| Alternate or previous names | Gleason Explorations |
| Geographic coordinates: | -88.64394, 46.11806 (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 | 23 | NE OF NW | Michigan |
| 14 | SW OF SE | Michigan | |||
| 14 | SE OF SE | Michigan |
| Commodity | Importance |
|---|---|
| Iron | Primary |
| Materials | Type of material |
|---|---|
| Limonite | Ore |
| 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) | -88.64394, 46.11806 |
|---|
| Operation type | Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Deposit size | Medium |
| Significant | Yes |
| Year of first production | 1911 |
| Year of last production | 1953 |
| Production years | THE DAVIDSON MINE SHUT DOWN ON 11 AUG 1953; ITS ORE EXHAUSTED. |
| District name | Menominee Range |
|---|
| Ownership category | Private |
|---|
| Year | 1953 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1911-1953 | ||||||||||||||
| Material | ore Fe | ||||||||||||||
| Ore mined | 8328166mt | ||||||||||||||
| Accuracy | Accurate | ||||||||||||||
| |||||||||||||||
LAKE SUPERIOR IRON ORE ASSOCIATION, 1952, LAKE SUPERIOR IRON ORES (2ND ED.): CLEVELAND, OHIO. PP. 112-113.
CROWELL, BENEDICT, AND MURRAY, C.B., INC., 1911, 1914, 1917, 1920, 1923, 1927, 1930, THE IRON ORES OF LAKE SUPERIOR (1ST-7TH EDS.): CLEVELAND, OHIO. PP. 110-111, 193-194, 248-249, 225-226, 275-277, 296-297, 266-267 RESPECTIVELY.
REED, R.C., 1975, ONE THOUSAND MILLION TONS, MICHIGAN IRON ORE SHIPMENTS THROUGH 1974, CIRCULAR 12, GEOLOGICAL SURVEY DIVISION OF MICHIGAN DEPARTMENT OF NATURAL RESOURCES, LANSING, MICHIGAN, 1975. P. 9.
U.S. BUREAU OF MINES, 1954-1994, MINERALS YEARBOOK [1953-1993]: WASHINGTON, D.C., U. S. GOVERNMENT PRINTING OFFICE, VARIOUS VOLUMES.
JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, IRON COUNTY, P. 109-116, MICHIGAN DEPARTMENT OF NATURAL RESOURCES,
| Subject category | Comment text |
|---|---|
| Deposit | OPENED 1911, SHIPPED EVERY YEAR THROUGH 1953 EXCEPT 1932. OPERATED BY DAVIDSON ORE MINING CO. THROUGH 1940; BY PITTSBURGH COKE AND IRON CO., 1941-1947; AND BY PICKANDS MATHER AND CO. THROUGH 1953. 1947 SHIPMENTS FROM ACTIVE OPERATION BY PICKANDS MATHER AND CO., AND FROM STOCKPILE BY PITTSBURGH COKE AND IRON CO. WORKED BY BACK STOPING AND CAVING, UNDERGROUND. |
| 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.