| Deposit ID | 10079316 |
|---|---|
| MRDS ID | W028537 |
| Record type | Site |
| Current site name | Portland Mine |
| Geographic coordinates: | -88.15226, 46.53472 (WGS84) |
|---|
Political divisions (FIPS codes)
Baraga(county)
Michigan(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Three Lakes(quadrangle 1:24,000 scale)
L'Anse(quadrangle 1:100,000 scale)
Iron River(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Michigamme(hydrologic unit)
Northwestern Lake Michigan(hydrologic accounting unit)
Northwestern Lake Michigan(hydrologic subregion)
Great Lakes(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Michigan | Baraga |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Michigan | 048N | 031W | 26 | NE OF NW | Michigan |
| NW OF NW | Michigan |
| Commodity | Importance |
|---|---|
| Iron | Primary |
| Materials | Type of material |
|---|---|
| Hematite | Ore |
| Grunerite | Ore |
| Limonite | Ore |
| Chert | Gangue |
| Magnetite | Gangue |
| Hornblende | Gangue |
| Actinolite | Gangue |
| Garnet | Gangue |
| Mica | Gangue |
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Sedimentary Rock > Chemical Sediment > Iron Formation | ||
| Rock unit name | Bijiki Iron-Formation | ||
| Rock description | Bijiki Iron-Formation | ||
| |||
| (1) | -88.15226, 46.53472 |
|---|
| Operation type | Surface |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Year of first production | 1909 |
| Year of last production | 1915 |
| District name | Marquette Range |
|---|
| Ownership category | Private |
|---|
| Year | 1915 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1909-1915 | ||||||||||||||
| Material | ore Fe | ||||||||||||||
| Ore mined | 276389mt | ||||||||||||||
| Accuracy | Accurate | ||||||||||||||
| |||||||||||||||
KLASNER, J. S., AND CANNON, W. F., 1978 , BEDROCK GEOLOGY MAP OF THE SOUTHERN PART OF THE MICHIGAMME AND THREE LAKES QUADRANGLES, MARQUETTE AND BARAGA COUNTIES, MICHIGAN, USGS MAP 1 - 1078 .
LAKE SUPERIOR IRON ORE ASSOCIATION, 1938 , LAKE SUPERIOR IRON ORES ( 1ST ED. ): CLEVELAND, OHIO, P. 116 .
SECTION FILES, MICHIGAN GEOLOGICAL SURVEY, THE CLEVELAND-CLIFFS IRON CO., 1949 - 1950 , RECORD OF EXPLORATION, SECTION FILES OF THE GEOLOGICAL SURVEY DIVISION OF MICHIGAN DEPT. OF NATURAL RESOURCES.
JOHNSON, A, 1998, INVENTORY OF UNDERGROUND MINES, BARAGA COUNTY, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.
| Subject category | Comment text |
|---|---|
| Deposit | OPENED IN 1909 . SHIPPED IN 1909 , 1910 , 1914 , 1915 FORMERLY OPERATED BY NIAGARA IRON MINING CO., (ROGERS - BROWN IRON CO., AGENT). INACTIVE - OPEN PIT. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-DEC-1979 | 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 | 06-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.