Ravenna-Prickett Mine

Past Producer in Iron 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. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Production statistics
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10079371
MRDS ID W028627
Record type Site
Current site name Ravenna-Prickett Mine

Geographic coordinates

Geographic coordinates: -88.36532, 46.10611 (WGS84)

Site location context

Political divisions (FIPS codes)

Iron(county)

Michigan(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Crystal Falls(quadrangle 1:24,000 scale)

Iron River(quadrangle 1:100,000 scale)

Iron River(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Brule(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 Iron

Public Land Survey System information

Meridian Township Range Section Fraction State
Michigan 043N 032W 19 SW OF SW Michigan
NW OF SW Michigan

Comments on the location information

  • CENTERED ON SHAFT IN NW OF SW OF SECTION 24, T43N, R33W.

Commodities

Commodity Importance
Iron Primary

Materials information

Materials Type of material
Hematite Ore
Goethite Ore
Chert Gangue
Pyrite Gangue
Siderite Gangue
Stilpnomelane Gangue
Chlorite Gangue
Mica Gangue

Alteration

  • (Local) Chert and siderite to hematite and goethite in oxidation zones

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Iron Formation
    Stratigraphic age (youngest) Paleoproterozoic

Nearby scientific data

(1) -88.36532, 46.10611

Economic information

Controls for ore emplacement

  • Structurally controlled in a synclinal body

Comments on the geologic information

  • WELL-BEDDED, CHERT AND SIDERITE IRON FORMATION

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1911
Year of last production 1943

Mining district

District name Menominee Range

Land status

Ownership category Private

Production statistics

  • Year 1943
    Period 1911-1943
    Material ore Fe
    Ore mined 645391mt
    Accuracy Accurate
  • Year 1943
    Period 1940-1943
    Material ore Fe
    Ore mined 344227mt
    Accuracy Accurate

Comments on the production information

  • ORE IS HARD AND SOFT, RED, HIGH, PHOSPHORUS, NON-BESSEMER HEMATITE. CRUSHED AND GRADE SHIPPED. NO PRODUCTION ANALYSIS AVAILABLE.

Comments on the reserve resource information

  • REMAINING IRON FORMATION IS NOT COMMERCIALLY VIABLE.

Comments on the workings information

  • SEQUENTIAL METHOD OF OPEN PIT AND UNDERGROUND STOPING METHOD WITH SUB LEVEL MINED UNDER THE PIT WHEN THE NEAR SURFACE ORE WAS EXHAUSTED.

Comments on development

  • INLAND STEEL CORP.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit RAVENNA PROPERTY REOPENED IN 1940 WITH ADJACENT PRICKETT PROPERTY BY INLAND STEEL CO., AND OPERATED AS RAVENNA-PRICKETT. SHIPPED 1940-1943. OPERATED AS AN OPEN PIT, THEN UNDERGROUND. LEASE SURRENDERED IN 1943.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-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.