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Pilgrim 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. Materials information
  8. Alteration
  9. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  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 10079774
MRDS ID W030502
Record type Site
Current site name Pilgrim Mine

Geographic coordinates

Geographic coordinates: -89.96566, 46.47361 (WGS84)

Site location context

Political divisions (FIPS codes)

Gogebic(county)

Michigan(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Wakefield(quadrangle 1:24,000 scale)

Wakefield(quadrangle 1:100,000 scale)

Iron River(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
047N 045W 18 Michigan

Comments on the location information

  • CENTERED ON SHAFT IN THE E 1/2 OF NE OF SECTION 18.

Commodities

Commodity Importance
Iron Primary

Comments on the commodity information

  • CHERT, (SPORADIC FLINT), LOCAL PYRITE, DISSEMINATED MARTITE, QUARTZITE INTERBEDS.

Materials information

Materials Type of material
Hematite Ore
Chert Gangue
Pyrite Gangue
Martite Gangue

Alteration

  • (Local) Chert to hematite in oxidation zones

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)

Host and associated rocks

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

Nearby scientific data

(1) -89.96566, 46.47361
ListMap

Economic information

Controls for ore emplacement

  • Structural-footwall quartzite and cross-cutting dikes form ore troughs.

Comments on the geologic information

  • GRANULAR CHERT FACIES IRON FORMATION (IRONWOOD.)

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Gogebic Range

Land status

Ownership category Private

Production statistics

  • Year 1919
    Material ore Fe
    Ore mined 291mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Fe Iron Iron 53wt-pct

Comments on the production information

  • ORE IS SOFT, RED, NON-BESSEMER HEMATITE. GRADE GIVEN IS FROM PRODUCTION ANALYSIS FOR ONLY YEAR OF SHIPMENT - 1919.

Comments on the reserve resource information

  • REMAINING IRON FORMATION IS NOT COMMERCIALLY VIABLE.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit FIRST OPENED AND SHIPPED IN 1919. OPERATED AS AN OPEN PIT MINE BY PLYMOUTH MINING CO. (PICKANDS MATHER AND CO., AGENT). AFTER INITIAL YEAR OF OPERATION, THIS MINE WAS INCLUDED IN PLYMOUTH MINE OPERATION. (SEE SEPARATE REPORT, THIS FILE).

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1980 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

Beyond USGS

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

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