| Deposit ID | 10079772 |
|---|---|
| MRDS ID | W030501 |
| Record type | Site |
| Current site name | Plymouth Mine |
| Alternate or previous names | Pilgrim-Mikado-Rhinelander-Atwood Consolidated |
| Geographic coordinates: | -89.9576, 46.47028 (WGS84) |
|---|
Political divisions (FIPS codes)
Gogebic(county)
Michigan(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Wakefield(quadrangle 1:24,000 scale)
Wakefield(quadrangle 1:100,000 scale)
Iron River(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Black-Presque Isle(hydrologic unit)
Southcentral Lake Superior(hydrologic accounting unit)
Southern Lake Superior(hydrologic subregion)
Great Lakes(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Michigan | Gogebic |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Michigan | 047N | 045W | 18 16 | Michigan |
| Commodity | Importance |
|---|---|
| Iron | Primary |
| Materials | Type of material |
|---|---|
| Hematite | Ore |
| Chert | Gangue |
| Pyrite | Gangue |
| Martite | 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 | Ironwood Iron-Formation | ||
| Rock description | Ironwood Iron-Formation | ||
| |||
| (1) | -89.9576, 46.47028 |
|---|
| Operation type | Surface-Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Deposit size | Large |
| Significant | Yes |
| Year of first production | 1895 |
| Year of last production | 1952 |
| District name | Gogebic Range |
|---|
| Ownership category | Private |
|---|
| Year | 1952 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1895-1952 | ||||||||||||||
| Material | ore Fe | ||||||||||||||
| Ore mined | 18385191mt | ||||||||||||||
| Accuracy | Accurate | ||||||||||||||
| |||||||||||||||
LAKE SUPERIOR IRON ORE ASSOCIATION, 1952, LAKE SUPERIOR IRON ORES (2ND ED.): CLEVELAND, OHIO, P. 58
CROWELL, BENEDICT, AND MURRAY, C.B., INC., 1917, 1920, 1923, 1927, 1930, THE IRON ORES OF LAKE SUPERIOR (3RD-7TH EDS.): CLEVELAND, OHIO, PP. 231-232, 208-209, 258, 277-278, 250 RESPECTIVELY.
JOHNSON, A.M., AND GROTH, E.H.,1998, INVENTORY OF UNDERGROUND MINES, GOGEBIC COUNTY, P. 202-213, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.
| Subject category | Comment text |
|---|---|
| Deposit | PLYMOUTH OPENED 1916 AND SHIPPED EVERY YEAR THROUGH 1952 EXCEPT 1932-1935 AND 1945. INITIALLY OPERATED BY COATES AND TWEED; THEN PLYMOUTH MINING CO. STARTING 1917. PLYMOUTH-LOOMIS LEASED IN 1949 FOR OPERATION AS PART OF PLYMOUTH MINE, LAST SHIPPED IN 1955. THE PLYMOUTH INCLUDED THE MIKADO MINE, NW AND NW OF NE OF SECTION 18, FROM 1919 UNTIL SOLD TO SYRACUSE MINING CO. IN DECEMBER 1950 (SEE MIKADO REPORT, SAME FILE). OPERATED 1919-1950 AS PART OF THE PLYMOUTH OPEN PIT (SHIPMENTS INCLUDED IN PRODUCTION FIGURES). |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUN-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 | 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.