| Deposit ID | 10072532 |
|---|---|
| MRDS ID | W018138 |
| Record type | Site |
| Current site name | Armstrong Bay Mine |
| Geographic coordinates: | -92.15797, 47.86194 (WGS84) |
|---|
Political divisions (FIPS codes)
St. Louis(county)
Minnesota(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Soudan(quadrangle 1:24,000 scale)
Vermilion Lake(quadrangle 1:100,000 scale)
Hibbing(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Vermilion(hydrologic unit)
Rainy(hydrologic accounting unit)
Rainy(hydrologic subregion)
Souris-Red-Rainy(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Minnesota | St. Louis |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| 4th Principal | 62N | 14W | 5,22,28,11;8 | Minnesota |
| Commodity | Importance |
|---|---|
| Iron | Primary |
| Materials | Type of material |
|---|---|
| Hematite | Ore |
| Magnetite | Ore |
| Chert | Gangue |
| Model code | 188 |
|---|---|
| USGS model code | 28b |
| Deposit model name | Algoma Fe |
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Sedimentary Rock > Chemical Sediment > Iron Formation | ||||
| Rock unit name | Soudan Iron Formation | ||||
| |||||
| (1) | -92.15797, 47.86194 |
|---|
| Type of structure | Regional |
|---|---|
| Structure name | Folds |
| Type of structure | Local |
| Structure name | Folds |
| General form | IRREGULAR |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| Year of first production | 1923 |
| District name | Vermilion Range |
|---|
| Type | Operator |
|---|---|
| Owner | U.S. Steel Corp. |
| Year | 1980 |
| Type | Unknown |
|---|---|
| Owner | Chippewa Iron Mining Co |
| Year | 1923 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W018138 |
SIMS, P.K.,1972. BANDED IRON-FORMATIONS IN VERMILION DISTRICT; IN; SIMS,P.K. AND MOREY,G.B.,EDS., GEOLOGYOF MINNESOTA; A CENTENNIAL VOLUME, MINN.GEOL.SURV., P.79-81.
MOREY, G.B.,ET.AL.,1970. STRATIGRAPHY OF THE LOWER PRECAMBRIAN ROCKS IN THE VERMILION DISTRICT, NORTHEASTERN MINNESOTA, MINN.GEOL.SURV. R.I. 14, 33P.
TRETHEWEY, W.D., 1974, UNIV. MINN. BULL., MINING DIRECTORY ISSUE
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JAN-1984 | Sutphin, David M. | U.S. Geological Survey | |
| Updater | 01-MAR-1997 | Sutphin, David M. | U.S. Geological Survey | |
| Editor | 01-MAY-1997 | Mason Jr., G.T. | U.S. Geological Survey |
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.