| Deposit ID | 10122514 |
|---|---|
| MRDS ID | W018307 |
| MAS/MILS ID | 0270610020 |
| Record type | Site |
| Current site name | Arcturus |
| Related records | 10072669 |
| Point of reference | Ore Body |
|---|---|
| Geographic coordinates: | -93.32213, 47.32829 (WGS84) |
| Elevation | 433 |
| Location accuracy | 10(meters) |
Political divisions (FIPS codes)
Itasca(county)
Minnesota(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Calumet(quadrangle 1:24,000 scale)
Pokegama Lake(quadrangle 1:100,000 scale)
Hibbing(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Prairie-Willow(hydrologic unit)
Mississippi Headwaters(hydrologic accounting unit)
Mississippi Headwaters(hydrologic subregion)
Upper Mississippi(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Minnesota | Itasca |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| 4th Principal | 056 N | 024 W | 13 | C SESE | Minnesota |
| Commodity | Importance |
|---|---|
| Iron | Primary |
| Silica | Tertiary |
| Materials | Type of material |
|---|---|
| Chert | Unknown |
| Goethite | Unknown |
| Hematite | Unknown |
| Kaolinite | Unknown |
| Martite | Unknown |
| Quartz | Unknown |
| Ore Body (1) | -93.32213, 47.32829 |
|---|
| Strike | N75E | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dip | 07S | ||||||||||||||||||||||||||||||
| Thickness | 41.5M | ||||||||||||||||||||||||||||||
| Length | 1067M | ||||||||||||||||||||||||||||||
| Width | 760M | ||||||||||||||||||||||||||||||
| Depth to top | 30.5M | ||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||
| Area | 130HA | ||||||
|---|---|---|---|---|---|---|---|
| |||||||
| Operation type | Surface |
|---|---|
| Development status | Producer |
| Commodity type | Metallic |
| Significant | Yes |
| Year of first production | 1917 |
| District name | Mesabi District |
|---|
| Type of mineral rights | Fee Ownership |
|---|
| Ownership category | Mixed |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | U.S. Steel Corp. |
| ID | 2100279 |
| Interest | 100 |
| Home office | Pennsylvania |
| Year | 1980 |
| Year | 1977 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Description | Beneficiated Iron Ore (Hematite) Shipped 500113 Metric Tons For The Year | ||||||||||||||
| |||||||||||||||
| Year | 1978 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Description | Beneficiated Iron Ore (Hematite) Shipped 1142450 Metric Tons For The Year | ||||||||||||||
| |||||||||||||||
| Year | 1979 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Description | Beneficiated Iron Ore (Hematite) Shipped 767875 Metric Tons For The Year | ||||||||||||||
| |||||||||||||||
| Year | 1980 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Description | Beneficiated Iron Ore (Hematite) Shipped 394480 Metric Tons For The Year | ||||||||||||||
| |||||||||||||||
| Type of workings | Surface | ||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Area | 80.9HA | ||||||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0270610020 | |
| Mine Safety and Health Administration | MSHA | MSHA | 2100279 |
SKILLINGS MINING REVIEW, 1980 U.S. STEEL IRON ORE
SHIPMENTS FROM MINNESOTA, JANUARY 2, 1980, P. 6.
SKILLINGS MINING REVIEW, U.S. STEEL IRON ORE SHIPMENTS
FROM MINNESOTA JANUARY 19, 1980, P. 10.
WALLER, P. OF U.S. STEEL CORP.,PERSONAL COMMUNICATION, JULY,
1981.
MARSDEN, R.W. THE MESABI RANGE, MINNESOTA, ORE DEPOSITS OF
THE U.S. 1933-1967, PP. 518-537.
MOREY, G.B. MESABI RANGE, GEOLOGY OF MINNESOTA: A CENTENNIAL
VOLUME, 1972, PP. 204-217.
OPEN FILE REPORT 109-80, IRON ORE RESERVES OF THE MESABI
RANGE MINNESOTA, JAN 23, 1980, PP 12 AND 70.
LAMPRECHT, J. OF U.S. STEEL CORP. PERSONAL COMMUNICATION,
MAY 8, 1981.
| Subject category | Comment text |
|---|---|
| Deposit | THE PLANT CAPACITY WAS 1100000 MTPY. ORE BODY DIMENSIONS HAVE BEEN ASSUMED TO BE AT LEAST AS LARGE AS THE PIT DIMENSIONS. IT IS LIKELY THAT THEY ARE LARGER. ACTUAL STRIKE AND DIP OF THE ORE BODY IS UNKNOWN. AVERAGES FOR THE BIWABIK IRON FORMATION HAVE BEEN GIVEN. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 09-MAR-1995 | Dolzani, Roger L. | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
| Status | Abandoned since 06/27/1983 |
|---|---|
| MSHA mine ID | 2100279 |
| Mine name (MSHA) | Arcturus Mine |
| Current operator | United States Steel Corp |
| Current controller (parent) | USX Corp (United States Steel Corp) |
| Mine type | Surface (Metal / non-metal) |
MSHA cross-reference per the original MRDS record. Mine status and operator reflect MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date. See the Mine Data Retrieval System for current status.
Open MSHA's Mine Data Retrieval System for inspections, accidents, and violations for this mine.
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.