Centennial No.2

Past Producer in Houghton county in Michigan, United States with commodities Copper, Silver
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. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10243309
MAS/MILS ID 0260610048
Record type Site
Current site name Centennial No.2
Alternate or previous names Calumet and Hecla Conglomerate

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -88.42475, 47.2558 (WGS84)
Elevation 341

Site location context

Political divisions (FIPS codes)

Houghton(county)

Michigan(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ahmeek(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 056 N 032 W 18 NENWNW Michigan

Commodities

Commodity Importance
Copper Tertiary
Silver Tertiary

Materials information

Materials Type of material
Calcite Unknown
Chlorite Unknown
Copper Unknown
Epidote Unknown
Hematite Unknown
Plagioclase Unknown
Pyroxene Unknown
Quartz Unknown
Silver Unknown

Nearby scientific data

Ore Body (1) -88.42475, 47.2558

Economic information

Ore body information

  • Strike N40W
    Dip 37W
    Thickness 1143M
    Length 5500M
    Width 2900M
    Area 259HA
    Depth to top 7M
    Field Value
    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 CONTACT ZONE
    Secondary Ore Control FRACTURING
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 PROPYLITIC
    Type of Wallrock Alter. #2 BLEACHING
    Strike And Dip N40W:37W
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 7
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 259
    Date of Last Modification 780811

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1863
Year of first production 1904

Mining district

District name Michigan Native Copper Belt

Mineral rights holdings

Type of mineral rights Fee Ownership
Type of mineral rights Minerals Only

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Universal Oil Products
    Interest 100
    Home office Illinois
    Year 1977

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    F THE MICHIGAN COPPER DISTRICT: ECON. GEOL., V.41, P.675-725

  • Deposit

    CORNWALL,H.J., RUNNER,J.J., STORMQUIST,A.A., SWANSON,R.H., W

  • Deposit

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

  • Deposit

    OUGHTON AND KEWEENAW COUNTIES, MICH., UNPUB. U.S.G.S.

  • Deposit

    ILE REPORT.

  • Deposit

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

  • Deposit

    IN ORE DEPOSITS IN THE UNITED STATES 1933-1967, J.D.RIDGE, E

  • Deposit

    E, N.Y., VOL. I, P.303-326.

  • Deposit

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

  • Deposit

    : U.S.G.S. PROF. PAPER 144.

  • Deposit

    WHITE,W.S., CORNWALL,H.R. AND SWANSON,R.W., 1953, BEDROCK GE

  • Deposit

    F THE AHMEEK QUADRANGLE, MICHIGAN, U.S.G.S. GEOL. QUAD. MAP

  • Deposit

    PARDEE,F.G., 1929, CENTENNIAL MINE, REPORT TO TAX ASSESSORS:

  • Deposit

    DEPT. NAT. RES., UNPUB. DOCUMENT.

  • Deposit

    HARDENBERG,H.J., 1957, CENTENNIAL, REPORT TO TAX ASSESSORS:

  • Deposit

    DEPT. NAT.RES., UPUB. DOCUMENT.

  • Deposit

    HARDENBERG,H.J., 1968, 1969, 1972, CENTENNIAL NO.2, REPORT T

  • Deposit

    SSESSORS: MICH: DEPT. NAT. RES., UNPUB. DOCUMENT.

  • Deposit

    BENEDICT,H.C., 1952, RED METAL THE CALUMET AND HELLA STORY,

  • Deposit

    ITY OF MICHIGAN PRESS, ANN ARBOR,257P.

  • Deposit

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

  • Deposit

    RESOURCES OF MICHIGAN PUB.8,GEOL.SERS.6,MICH.GEOL.BIOL.SURV.

  • Deposit

    HORE,R.E.,1914,MICHIGAN COPPER DEPOSITS. IN MINERAL DEPOSITS

  • Deposit

    OF MICHIGAN, PUB.19, GEOL. SERS. 16, MICH. GEOL. BIOL. SURV.

  • Deposit

    WEEGE,R.J. POLLOCK,J.P. AND THE CALUMET DIVISION GEOLOGICAL

  • Deposit

    STAFF 1972 THE GEOLOGY OF TWO NEW MINES IN THE NATIVE COPPER

  • Deposit

    DISTRICT OF MICH:ECON. GEOL. V.67,NO.67, P.622-633.

General comments

Subject category Comment text
Deposit US BUREAU OF MINES RESEARCH CONTRACT J0366067.AUG,1976-APRIL 8, JOHN T. WILBAND,PRINCIPLE INVESTIGATOR. GRADE QUANTITY MATRIX: HARDENBERG(1968)REPORTS 7,227,208LBS. GRADE IN 1967 WAS APPROX.19 LBS/TON THUS TONS OF ORE ARE 7, /19=380379 TONS OR 345074 TONNES.THESE DATA ARE CONSIDERED R AT 90% LEVEL OF PROBABILITY RECORD 060 FIELD 14-36. THE CENTENNIAL NO.2 MINE HAS WORKED UMET AND HECLA CONGLOMERATE, THE OSCEOLA AMYGDALOID,AND THE GE AMYGDALOID. THE KEARSARGE WILL BE THE LODE DESCRIBED IN R 070,071, AND 080. RECORD 080 FIELDS 53-58, 63-68, AND 72-75. THESE MEASUREMENT OR THE ENTIRE KEARSARGE LODE; THE LENGTH IN THE CENTENNIAL M A IS APPROXIMATELY 241 METERS IN LENGTH. REVIEWED AND REVISED IN MARCH, 1978, EFOC. BECAUSE THE RESERVES DESCRIBED BY THE CONTRACTOR FOR THE CENTENNIAL NO. 2 HAVE BEEN INCLUDED IN THE CALUMET NO. 1 DEPOSIT SEQUENCE NO. 26-061-0007, THE RESERVE MATRICES HAVE BEEN DELETED FROM THE CENTENNIAL NO. 2 DEPOSIT. COMMENTS 802-805 ARE STILL APPLICABLE TO THAT PORTION OF THE CALUMET NO. 1 DEPOSIT WHICH OCCU THE WORKINGS OF THE CENTENNIAL NO. 2 MINE. THE ORIGINAL MAT HAD 345,100 TONNES OF ORE AT 0.95 % COPPER, ENTERED AT THE 90 PERCENT PROBABILITY LEVEL, AND THE ORIGINAL MATRIX 1 HAD THE SAME TONNAGE AND GRADE ENTERED AT ALL PROBABILITY LEVELS

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.