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Bristol-Youngstown Mine

Past Producer in Iron 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. Geologic structures
  13. Ore body information
  14. Controls for ore emplacement
  15. Economic information about the deposit and operations
  16. Mining district
  17. Production statistics
  18. Workings at the site
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10110360
MRDS ID W001401
Record type Site
Current site name Bristol-Youngstown Mine
Alternate or previous names Claire Mine, Clare Mine

Geographic coordinates

Geographic coordinates: -88.34948, 46.10778 (WGS84)
Relative position NEAR TOWN OF CRYSTAL FALLS

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 SE OF SE Michigan
NE OF SE Michigan

Comments on the location information

  • POINT LOCATED AT CENTER OF BRISTOL-YOUNGSTOWN PROPERTY. CENTER POINT BETWEEN 3 SHAFTS LOCATED AT S 1/2 OF NE AND N 1/2 OF SE SECTION 19.

Commodities

Commodity Importance
Iron Primary

Comments on the commodity information

  • ORE WAS COARSE BROWN HIGH PHOSPHORUS AND MANGANESE NON BESSEMER HEMATITE

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

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 Negaunee Iron-Formation
    Rock description Negaunee Iron-Formation
    Stratigraphic age (youngest) Paleoproterozoic

Nearby scientific data

(1) -88.34948, 46.10778
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Major troughs ; regional trends: E-W, NW-SE, NE-SW, forming triangle
Type of structure Local
Structure description Troughs into which Iron formation has slumped.

Ore body information

  • General form STRATABOUND

Controls for ore emplacement

  • Structurally controlled on flank of anticline.

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Commodity type Metallic
Significant Yes
Year of first production 1890
Year of last production 1969

Mining district

District name Iron River-Crystal Falls Area of the Menominee Iron District (Range)

Production statistics

  • Year 1969
    Period 1892-1969
    Material ore Fe
    Ore mined 15041682mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Fe Iron Iron 48wt-pct

Comments on the production information

  • SHIPPED TWO ORES IN EARLY YEARS, BRISTOL AND MANGANATE, THESE ALONG WITH LATER ORES ARE HARD, BROWN,

Comments on the reserve resource information

  • REMAINING IRON FORMATION IS NOT COMMERCIALLY VIABLE.

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 464.82M

Comments on the workings information

  • OPEN PIT MILLING SYSTEM AND UNDERGROUND STOPING METHOD WITH 3 SHAFTS & 19 HAULAGE LEVELS; FIRST MINED AS OPEN PIT ON NORTH OF ORE BODY (1889) THEN UNDERGROUND ON SOUTH ORE BODY

Comments on development

  • CORRIGAN-MCKINNEY, OGLEBAY NORTON AND INLAND STEEL. SHIPMENT OF "MANGANATE" MADE FROM THIS PROPERTY IN 1890. PROBABLY BY A MR. ROBERTS WHO WAS ACTIVE THERE BEFORE OGLEBAY. NORTON AND CO. TOOK OVER AS SALES AND OPERATING AGENT FOR BRISTOL MINING CO. WHEN THE BRISTOL WAS OPENED IN 1892. SHIPPED EVERY YEAR. EXCEPT 1894-1898. UNTIL LEASE SURRENDERED APRIL 1933. SHIPMENTS COMPLETED FROM STOCKPILE IN 1934. THE BRISTOL. TOGETHER WITH NW-SW SECTION 20 (PART OF YOUNGSTOWN) WAS OPERATED AS BRISTOL-YOUNGSTOWN BY OGLEBAY NORTON AND CO. FROM 1926 TO 1933. THE YOUNGSTOWN WAS LEASED BY OLIVER MINING CO. IN 1949. AND REOPENED WITH BRISTOL AS BRISTOL-YOUNGSTOWN. SHIPMENTS 1950-1959. UNDERGROUND.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit ARCHEAN CRYSTALLINE ROCKS OVERLAIN BY PALEOPROTEROZOIC SEDIMENTARY ROCKS. DURING PALEOPROTEROZOIC TIME, ARCHEAN ROCKS BLOCK FAULTED AND DIFFERENTIALLY RAISED; LOWERED; FORMING TROUGHS. PALEOPROTEROZOIC ROCKS AS SEDIMENTS SLUMPED INTO TROUGHS. AT ABOUT THE SAME TIME ENTIRE AREA WAS REGIONALLY THERMAL METAMORPHOSED. BRISTOL MINE IS IN THE CHLORITE ZONE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1972 Cannon, Suzanne S. U.S. Geological Survey
Updater 01-MAR-1980 Yeager, Keith (Cannon, W.) U.S. Geological Survey
Editor 01-MAR-1997 Sutphin, D.M. U.S. Geological Survey
Updater 01-MAY-1997 Mason Jr., G.T. U.S. Geological Survey
Editor 09-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.

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