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Isle Royale

Past Producer in Houghton county in Michigan, United States with commodities Copper, Silver
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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. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Mineral rights holdings
  13. Land status
  14. Ownership information
  15. Reserves and resources
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10267794
MAS/MILS ID 0260610044
Record type Site
Current site name Isle Royale

Comments on the site names

  • DEC.19/77 REC 011 FIELD 14-29. THE PRESENT ISLE ROYALE MINE ENCLUDES THE OLD ISLE ROYALE, THE GRAND PORTAGE, AND THE HUR ON MINES. THEY WERE INCORPORATED INTO ONE MINE IN 1899.

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -88.57675, 47.1003 (WGS84)
Elevation 306
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Houghton(county)

Michigan(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Chassell(quadrangle 1:24,000 scale)

Hancock(quadrangle 1:100,000 scale)

Hancock C(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Keweenaw Peninsula(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 Houghton

Public Land Survey System information

Meridian Township Range Section Fraction State
Michigan 054 N 034 W 02 NWSESE Michigan

Commodities

Commodity Importance
Copper Primary
Silver Primary

Materials information

Materials Type of material
Bornite Unknown
Calcite Unknown
Chalcocite Unknown
Chalcopyrite Unknown
Chlorite Unknown
Copper Unknown
Epidote Unknown
Hematite Unknown
Laumontite Unknown
Plagioclase Unknown
Prehnite Unknown
Pyroxene Unknown
Quartz Unknown
Sericite Unknown
Silver Unknown

Nearby scientific data

Main Entrance (1) -88.57675, 47.1003
ListMap

Economic information

Ore body information

  • Strike N62E
    Dip 56W
    Thickness 9.1M
    Length 4023M
    Width 1529M
    Depth to top 1.5M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 DISSEMINATED
    Shape of Orebody #2 LENTICULAR
    Type of Orebody #3 REPLACEMENT
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FRACTURING
    Secondary Ore Control CONTACT ZONE
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 INTERM ARGILLIC
    Type of Wallrock Alter. #2 SERICITIC
    Type of Wallrock Alter. #3 BLEACHING
    Strike And Dip N62E:56W
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 1.5
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 780802
  • Area 1311HA
    Field Value
    Total Surface Area (HA) 1311
    Date of Last Modification 910418

Comments on the geologic information

  • DEC.19/77. REC.080 FIELD 29-34.TWO OTHER TYPES OF ALTERATION ARE PRESENT. THESE ARE OXIDATION AND PUMPELLYITIZATION. DEC.19/77 REC.080 FIELD 69-71. THE DIP GETS STEEPER AS YOU GO FROM NORTH TO SOUTH. DEC.19/77 REC 080 FIELD 72-75. CU IS FOUND IN LOWER FRAGMENT AL ZONE WHICH IS 20-45 FT. THICK AND IN THE UPPER PART OF FOOT-INCLUSION ZONE WHICH IS FROM 0-20 FT. THICK. DEC.20/77 REC 080 FIELD 35-39. MINERAL ZONE GENERALLY OUTCRO PS ON THE SURFACE WHERE SHAFTS ARE SUNK DOWN THE DIP OF THE MINERAL-BEARING ZONE. SOMETIMES THE OUTCROP IS COVERED OF WHICH THE AVERAGE IS 1.5 METERS
  • DEC.19/77.REC. 071 FIELD 57-60. 0.2 TO 0.3 OUNCES PER TON

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1852
Year of first production 1853

Mining district

District name Michigan Native Copper Belt

Mineral rights holdings

Type of mineral rights Fee Ownership

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner Universal Oil Products
    Interest 100
    Home office Illinois

Comments on the production information

  • DEC.19/77. RECORD 050 FIELD 18-21. NO DISCOVERY DATE FOUND. THE MINE OPENED IN 1852. DEC.19/77. RECORD 050 FIELD 26-29. THE MINE FIRST CLOSED IN 1932 AND THEN REOPENED IN 1937. FINAL CLOSING WAS DEC.9,1948

Reserves and resources

  • Type In-situ
    Estimate year 1978
    Inferred 453600mt ore
    Total resources 453600mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 1 wt-pct Copper Major 1978

Reference information

Bibliographic references

  • Deposit

    BRODERICK,T.M.,ET AL,1946, RECENT CONTRIBUTIONS TO THE GEOLO

  • Deposit

    GY OF THE MICHIGAN COPPER DISTRICT: ECON. GEOL.,41,P.675-725

  • Deposit

    BUTLER, B.S. AND BURBANK,W.S.,1929, THE COPPER DEPOSITS OF

  • Deposit

    MICHIGAN: U.S.GEOL. SURV., PROF. PAPER 144.

  • Deposit

    CORNWALL,H.R.,RUNNER,J.J.,STROMQUIST,A.,SWANSON,R.H.,WHITE,

  • Deposit

    W.A.,1949,DETAILED GEOLOGIC MAPS OF RECENTLY ACTIVE COPPER

  • Deposit

    MINES, HOUGHTON AND KEWEENAW COUNTIES,MICH. UNPUB. USGS OPEN

  • Deposit

    FILE REPORT.

  • Deposit

    EDDY,G.E.,1940,ISLE ROYALE. PRIVATE REPT. MICH. TAX ASSESSOR

  • Deposit

    STATE OF MICHIGAN.

  • Deposit

    HORE,R.E.,1911,THE COPPER INDUSTRY OF MICH. IN MINERAL RESOU

  • Deposit

    RCES OF MICH., PUBL.8,GEOL. SERS.6. MICH. GEOL. BIOL. SURVEY

  • Deposit

    HORE,R.E.,1914,MICH.COPPER DEPOSITS. IN MINERAL RESOURCES

  • Deposit

    OF MICH. PUBL. 19., GEOL. SERS.16.MICH. GEOL. BIO. SURVEY

  • Deposit

    KENNEDY,B.B.,1949, ISLE ROYALE PRIVATE REPT. MICH. TAX ASSES

  • Deposit

    SOR, STATE OF MICHIGAN

  • Deposit

    NAHKERVIS,J.L.,1906STATE OF MICH., MINES AND MINERAL STATS.

  • Deposit

    GAZETTE PRINT, HOUGHTON, MICHIGAN.

  • Deposit

    HEWETT,G.A.,1899, STATE OF MICH., MINES AND MINERALS STATS:

  • Deposit

    ISHPEMING PRESSES OF IRON ORE PRINTING HOUSE.

  • Deposit

    PARDEE,F.G., 1948, ISLE ROYALE, PRIVATE REPORT MICH. TAX

  • Deposit

    ASSESSOR, STATE OF MICHIGAN.

  • Deposit

    WHITE,W.S.,1968, THE NATIVE-COPPER DEPOSITS OF NORTHERN MICH

  • Deposit

    IGAN. IN ORE DEPOSITS IN THE UNITED STATES 1933/1967.J.P.

  • Deposit

    RIDGE, ED. AIME, NY. VOL I, P.303-326

  • Deposit

    VAN HISE & LEITH 1911 US GEOL SUR MONOGRAPH 52, P577, MAP49

General comments

Subject category Comment text
Deposit RESEARCH CONTRACT J0366067, AUGUST 1976-APRIL 30,1978. PRIN CIPLE INVESTIGATOR WAS JOHN T WILBAND- MICHIGAN STATE UNIV. DEPT OF GEOLOGY, COLLEGE OF NAT. SCIENCE.EAST LANSING,MICH. DEC.19/77.REC030COL.47 USED THE GEOGRAPHIC CENTER SHAFT OF THE 15 SHAFTS IN THE ISLE ROYALE MINE. DEC.16/77 REC 010 COL 42 FINAL CLOSING IN 1948. REVIEWED AND REVISED IN MARCH 1978

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Michigan State University U.S. Bureau of Mines

Beyond USGS

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

External references

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