| Deposit ID | 10082663 |
|---|---|
| MRDS ID | W062012 |
| Record type | Site |
| Current site name | Penokee Group |
| Alternate or previous names | Norrie-Aurora Group |
| Geographic coordinates: | -90.14789, 46.45333 (WGS84) |
|---|---|
| Relative position | LOCATED BETWEEN NEWPORT AND ASHLAND PROPERTIES |
Political divisions (FIPS codes)
Gogebic(county)
Michigan(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Ironwood(quadrangle 1:24,000 scale)
Ironwood(quadrangle 1:100,000 scale)
Ashland(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Bad-Montreal(hydrologic unit)
Southwestern Lake Superior(hydrologic accounting unit)
Western Lake Superior(hydrologic subregion)
Great Lakes(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Michigan | Gogebic |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Michigan | 047N | 047W | 23 | SE OF SW | Michigan |
| NE OF SW | Michigan |
| Commodity | Importance |
|---|---|
| Iron | Primary |
| Materials | Type of material |
|---|---|
| Hematite | Ore |
| Goethite | Ore |
| 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 | Ironwood Iron-Formation | ||
| Rock description | Ironwood Iron-Formation | ||
| |||
| (1) | -90.14789, 46.45333 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | N-dipping sediments; regional trends are east to west. |
| Type of structure | Local |
| Structure description | An E-W linear iron formation going from Gogebic, MI, to Ironwood,MI, and to |
| General form | STRATABOUND |
|---|---|
| Dip | 50-55 N |
| Operation type | Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Deposit size | Medium |
| Significant | Yes |
| Discovery year | 1848 |
| Discoverer | A. Randall discovered low-grade magnetic material during the survey of the fourth principal meridian. |
| Year of first production | 1884 |
| Year of last production | 1904 |
| Production years | 1884 TO AT LEAST 1950. PENOKEE MINE CLOSED IN LATE 1961. |
| District name | Gogebic Iron District |
|---|
| Type | Owner |
|---|---|
| Owner | Penokee Ore Co. |
| Year | 1950 |
|---|---|
| Material | ore Fe |
| Ore mined | 34573mt |
| Accuracy | Accurate |
| Year | 1962 |
|---|---|
| Period | 1937-1962 |
| Material | ore Fe |
| Ore mined | 65631894mt |
| Accuracy | Accurate |
| Type of workings | Underground |
|---|---|
| Overall depth | 826.01M |
SCHMIDT, 1980: USGS BULLETIN 1460. JOHNSON, A.M., AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, GOGEBIC COUNTY, P. 135-140, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.
LAKE SUPERIOR IRON ORE ASSOCIATION, 1952, P. 58; REED, 1975
| Subject category | Comment text |
|---|---|
| Deposit | ACCORDING TO MINE INSPECTOR 1964 THERE WAS A CAVE-IN SOUTH OF NORFOLK STREET ADJOINING PARKING LOT & RAILROAD AVE, OFF FROM MCLEOD AVE. TO ASHLAND LOCATION WAS SEALED OFF BOTH ENTRANCES DUE TO HAZARDOUS CONDITIONS. IN 1906 NORRIE WAS CALLED THE GREATEST IRON MINE OF ENTIRE WORLD BY MSM |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-OCT-1995 | Sutphin, D.M. (Cannon, W.F.) | U.S. Geological Survey | |
| Updater | 01-MAR-1997 | Sutphin, D.M. | U.S. Geological Survey | |
| Editor | 01-MAY-1997 | Mason Jr., G.T. | U.S. Geological Survey | |
| Updater | 07-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.