| Deposit ID | 10079372 |
|---|---|
| MRDS ID | W028628 |
| Record type | Site |
| Current site name | Ravenna Mine |
| Alternate or previous names | Quincy, Bristol |
| Geographic coordinates: | -88.35198, 46.10611 (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 | 19 | SW OF SE | Michigan |
| NW 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 | ||
| Rock unit name | Riverton Iron-Formation | ||
| Rock description | Riverton Iron-Formation | ||
| |||
| (1) | -88.35198, 46.10611 |
|---|
| Operation type | Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Year of first production | 1911 |
| Year of last production | 1917 |
| District name | Menominee Range |
|---|
| Ownership category | Private |
|---|
| Year | 1917 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1911-1917 | ||||||||||||||
| Material | ore Fe | ||||||||||||||
| Ore mined | 301164mt | ||||||||||||||
| Accuracy | Accurate | ||||||||||||||
| |||||||||||||||
LAKE SUPERIOR IRON ORE ASSOCIATION, 1952, LAKE SUPERIOR IRON ORES (2ND ED.): CLEVELAND, OHIO. P. 121.
CROWELL, BENEDICT, AND MURRAY, C.B. INC., 1914, 1917, THE IRON ORES OF LAKE SUPERIOR (2ND, 3RD EDS.): CLEVELAND, OHIO. P. 213, 269-270 RESPECTIVLY.
JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, IRON COUNTY, P. 282-285, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.
| Subject category | Comment text |
|---|---|
| Deposit | RAVENNA OPENED IN 1911, SHIPPED EVERY YEAR THROUGH 1917. SHIPPED TWO ORES, RAVENNA BEING A HARD AND SOFT, RED, HIGH PHOSPHORUS, NON-BESSEMER HEMATITE AND GRIMES BEING A HARD AND SOFT, RED, SILICEOUS, NON-BESSEMER HEMATITE. FORMERLY OPERATED BY HOLLISTER IRON MINING CO., AND LATER BY HANNA IRON ORE CO. (THE M.A. HANNA CO., AGENT). REOPENED BY INLAND STEEL CO. WITH ADJACENT PRICKETT PROPERTY IN 1940 (SEE REPORT ON RAVENNA-PRICKETT, SAME FILE). WORKED BY 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 | 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.