Spurr Mine

Past Producer in Baraga county in Michigan, United States with commodity Iron
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Production statistics
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10106104
MRDS ID W028539
Record type Site
Current site name Spurr Mine
Alternate or previous names Spurr Mountain Mine

Geographic coordinates

Geographic coordinates: -88.13254, 46.54083 (WGS84)

Site location context

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)

Geographic areas

Country State County
United States Michigan Baraga

Public Land Survey System information

Meridian Township Range Section Fraction State
Michigan 048N 031W 24 NE OF NE Michigan

Comments on the location information

  • CENTER POINT OF MINED AREA, N 1/2 - SW OF SECTION 24 .

Commodities

Commodity Importance
Iron Primary

Materials information

Materials Type of material
Hematite Ore
Grunerite Ore
Siderite Ore
Jasper Gangue
Magnetite Gangue
Chert Gangue
Garnet Gangue
Siderite Gangue
Hornblende Gangue
Actinolite Gangue
Mica Gangue
Chlorite Gangue

Alteration

  • (Local) Chert replaced by compact or specular hematite and magnetite

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Iron Formation
    Rock unit name Negaunee Iron-Formation
    Rock description Negaunee Iron-Formation
    Stratigraphic age (youngest) Paleoproterozoic

Nearby scientific data

(1) -88.13254, 46.54083

Economic information

Ore body information

  • Strike 45 S

Controls for ore emplacement

  • Near stratigraphic top of iron-formation

Comments on the geologic information

  • GRUNERITE-MAGNETITE-CHERT IRON FORMATION

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1873
Year of last production 1886

Mining district

District name Marquette Range

Land status

Ownership category Private

Production statistics

  • Year 1886
    Period 1873-1886
    Material ore Fe
    Ore mined 166852mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Fe Iron Iron 58wt-pct

Comments on the production information

  • HARD ORE, NON-BESSEMER HEMATITE. NO FIGURES AVAILABLE FOR PRODUCTION YEARS. GRADE REPORTED IS FROM NEARBY MICHIGAMME MINE (SAME FORMATION), 1901 . SEE REFERENCE 3 ON MINERAL STATISTICS.

Comments on the reserve resource information

  • IRON REMAINING IS IN GRUNERITE FORM.

Comments on the workings information

  • OPEN PIT WAS 100' DEEP WITH SHAFTS FOLLOWING ORE INTO PIT WALL & UNDERGROUND, USING SKIP ROADS TO HOIST ORE

Comments on development

  • OPEN 1872, CALLED SPURR MOUNTAIN MINE OR SPURR MINE;

Reference information

Bibliographic references

  • Deposit

    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 .

  • Deposit

    LAKE SUPERIOR IRON ORE ASSOCIATION, 1938 , LAKE SUPERIOR IRON ORES ( 1ST ED. ): CLEVELAND, OHIO, P. 119 .

  • Deposit

    HANNA, T. A., 1902 , STATE OF MICHIGAN MINES AND MINERAL STATISTICS , MARQUETTE, MICHIGAN, P. 78 .

  • Deposit

    SECTION FILES, MICHIGAN GEOLOGICAL SURVEY, CLEVELAND-CLIFFS IRON CO., 1950 , SECTION FILES OF THE GEOLOGICAL SURVEY DIVISION OF MICHIGAN DEPT. OF NATURAL RESOURCES.

  • Deposit

    JOHNSON, AL, 1998, INVENTORY OF UNDERGROUND MINES, BARAGA COUNTY, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.

General comments

Subject category Comment text
Deposit OPENED 1882 . SHIPPED 1873 - 1879 , 1881 - 1883 , AND 1886 . FIRST OPERATED BY SPURR MOUNTAIN MINING CO. AND LATER BY SPURR IRON MINING CO. INACTIVE. LOCATED WITHIN THE BOUNDARIES OF CRAIG LAKE STATE PARK.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-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

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.