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Colby Mine

Past Producer in Gogebic county in Michigan, United States with commodity Iron
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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. Mineral occurrence model information
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Mining district
  11. Ownership information
  12. Production statistics
  13. Workings at the site
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10068382
MRDS ID W001411
Record type Site
Current site name Colby Mine
Alternate or previous names Peterson Mine

Geographic coordinates

Geographic coordinates: -90.05622, 46.47333 (WGS84)
Relative position NEAR BESSEMER

Site location context

Political divisions (FIPS codes)

Gogebic(county)

Michigan(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bessemer(quadrangle 1:24,000 scale)

Ironwood(quadrangle 1:100,000 scale)

Ashland(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)

Geographic areas

Country State County
United States Michigan Gogebic

Public Land Survey System information

Meridian Township Range Section Fraction State
Michigan 047N 046W 16 NE OF NE Michigan
SE OF NE Michigan
SW OF NE Michigan
NW OF NE Michigan

Comments on the location information

  • POINT LOCATED AT CENTER OF COLBY PROPERTY

Commodities

Commodity Importance
Iron Primary

Mineral occurrence model information

Model code 241
USGS model code 34a
Deposit model name Superior Fe (BC name is Lake Superior & Rapitan types iron-formation)

Nearby scientific data

(1) -90.05622, 46.47333
ListMap

Economic information

Comments on the geologic information

  • SEE GEOLOGY OF PETERSON MINE W001405

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1884
Discoverer Richard Langford
Year of first production 1884
Year of last production 1923
Production years 1884-1894; 1896-1921; 1923

Mining district

District name Gogebic Iron District

Ownership information

  • Type Owner
    Owner Puritan Mining Co.
  • Type Operator
    Owner Pickands Mather and Co.

Production statistics

  • Year 1923
    Period 1884-1923
    Material ore Fe
    Ore mined 5662220mt
    Accuracy Accurate

Comments on the production information

  • SOFT, REDDISH-BROWN BESSEMER & NON-BESSEMER.

Workings at the site

  • Type of workings Underground
    Overall depth 533.4M

Comments on the workings information

  • EARLY AS OPEN PIT 350,000 TONS TO 1890; BACK-STOPING & SUBBING (SUB LEVEL CAVING) THEN SLICING & CAVING; WAS FIRST TO PRODUCE IN GOGEBIC RANGE

Comments on development

  • LAST TO OPERATE THE MINE OF THE 1884-1923 PERIOD WAS CORRIGAN MCKINNEY STEEL CO. REPUBLIC STEEL CORP. HELD LEASE FROM LAST OPERATION TO DECEMBER 31, 1936. PURITAN MINING CO. OBTAINED LEASE IN 1944. COLBY NOW PART OF PETERSON MINE.

Reference information

Bibliographic references

  • Deposit

    LAKE SUPERIOR IRON ORES, 1952, P. 54.

  • Deposit

    JOHNSON, A.M., AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, GOGEBIC COUNTY, P. 163-168, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.

  • Production

    LAKE SUPERIOR IRON ORES, 1952, P. 54.

General comments

Subject category Comment text
Deposit FOR GEOLOGY: SEE PETERSON MINE W001405

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1972 Cannon, Suzanne S. U.S. Geological Survey
Updater 01-MAR-1997 Sutphin, D.M. U.S. Geological Survey
Editor 01-MAY-1997 Mason Jr., G.T. U.S. Geological Survey
Updater 07-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.

External references

Maps centered on this site