| Deposit ID | 10068367 |
|---|---|
| MRDS ID | W001392 |
| Record type | Site |
| Current site name | Mather Mine |
| Related records | 10146672 |
| Geographic coordinates: | -87.6328, 46.49861 (WGS84) |
|---|---|
| Relative position | IN NEGAUNEE, MI., ABOUT 1/4 MILE SOUTH OF TEAL |
Political divisions (FIPS codes)
Marquette(county)
Michigan(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Ishpeming(quadrangle 1:24,000 scale)
Gwinn(quadrangle 1:100,000 scale)
Marquette(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Dead-Kelsey(hydrologic unit)
Southcentral Lake Superior(hydrologic accounting unit)
Southern Lake Superior(hydrologic subregion)
Great Lakes(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Michigan | Marquette |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Michigan | 47W | 27N | 1 AND 2 | NE 1/4 (1) | Michigan |
| SE OF SW (2) | 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 | Negaunee Iron-Formation | ||
| Rock description | Negaunee Iron-Formation | ||
| |||
| (1) | -87.6328, 46.49861 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Marquette syncline; regional trends: E-W. |
| General form | STRATABOUND |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| Year of first production | 1941 |
| Year of last production | 1979 |
| Production years | MATHER PRODUCED IRON ORE FROM 1941 TO 1979. IT WAS THE LAST UNDERGROUND IRON MINE IN MICHIGAN. IRON ORE SHIPMENTS FROM STOCKPILES CONTINUED AT LEAST TO 1983. CRUDE RED HEMATITE IRON OXIDE-PIGMENT SHIPMENT FROM STOCKPILES CONTINUED TO AT LEAST 1992. |
| District name | Marquette Iron District (Range) |
|---|
| Type | Owner |
|---|---|
| Owner | The Negaunee Mine Co.- Ames Mine (1893-1894) |
| First year | 1893 |
| Last year | 1894 |
| Type | Operator |
|---|---|
| Owner | Cleveland Cliffs Iron Co. (formerly Nelson) |
| Year | 1894 |
|---|---|
| Material | ore Fe |
| Ore mined | 6399mt |
| Year | 1973 |
|---|---|
| Material | ore Fe |
| Ore mined | 6768mt |
| Accuracy | Accurate |
| Year | 1975 |
|---|---|
| Material | ore Fe |
| Ore mined | 1727mt |
| Year | 1976 |
|---|---|
| Material | ore Fe |
| Ore mined | 1727mt |
| Accuracy | Accurate |
| Year | 1979 |
|---|---|
| Period | 1888-1979 |
| Material | ore Fe |
| Ore mined | 60035080mt |
| Accuracy | Accurate |
| Type of workings | Underground |
|---|---|
| Overall depth | 1066.8M |
VAN HISE AND BAYLEY, 1897, U. S. GEOLOGICAL SURVEY MONOGRAPH 28.
LAKE SUPERIOR IRON ORE ASSOC., 1952, LAKE SUPERIOR IRON ORES.
GRATON-SALES VOL. A. I. M. E., 1968, MARQUETTE DIST., (IN) ORE DEPOSITS OF THE U. S., 1933 - 1967, P. 508 - 517.
U.S. BUREAU OF MINES, 1954-1994, MINERALS YEARBOOK [1953-1993]: WASHINGTON, D.C., U. S. GOVERNMENT PRINTING OFFICE, VARIOUS VOLUMES.
1970 GEOL MAP G. SIMMONS; JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, MARQUETTE COUNTY, P. 15-16, 300-304, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.
MINERALS YEARBOOKS FOR APPROPRIATE YEARS.
| Subject category | Comment text |
|---|---|
| Deposit | ARCHEAN ROCKS OVERLAIN BY MARQUETTE RANGE SUPERGROUP ROCKS. ARCHEAN CRYSTALLINE ROCKS BLOCK FAULTED AND DIFFERENTIALLY RAISED LOWERED; FORMING TROUGHS. MARQUETTE RANGE SUPERGROUP ROCKS AS SEMI-CONSOLIDATED SEDIMENTS SLUMPED INTO THE TROUGHS. AT ABOUT THE SAME TIME ENTIRE AREA WAS REGIONALLY THERMAL METAMORPHOSED CREATING METAMORPHIC FACIES OR NODES. THE MARQUETTE DISTRICT WAS AFFECTED BY THE REPUBLIC NODE (WHICH ZONES FROM CHLORITE TO SILLIMANITE EXCLUSIVE OF KYANITE ONLY. MATHER MINE IS LOCATED IN THE CHLORITE ZONE (JAMES H. L. 1955 P. 1455 - 1488). |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-NOV-1972 | Cannon, Suzanne S. | U.S. Geological Survey | |
| Updater | 01-NOV-1995 | Sutphin, D.M. (Cannon, W.F.) | U.S. Geological Survey | |
| Editor | 01-MAY-1997 | Mason Jr., G.T. | U.S. Geological Survey | |
| Editor | 11-AUG-2002 | Anderson, Arlene (M. Gere) | Michigan Department of Natural Resources |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
MRDS records operators as of each record's last update (≤ 2019). Some of the operators listed here have since changed hands or dissolved:
Curated by qvyshift.com from publicly-reported M&A activity (SEC filings, press releases, USGS Mineral Yearbooks). Not authoritative — verify against primary sources before relying on it. The MSHA panel above is the current authoritative source for actively-permitted mines.