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Centennial No. 3-6

Past Producer in Houghton county in Michigan, United States with commodity Copper
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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. Production statistics
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10183832
MAS/MILS ID 0260610029
Record type Site
Current site name Centennial No. 3-6

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -88.42895, 47.2642 (WGS84)
Elevation 355
Location accuracy 100(meters)

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 033 W 12 SWSENE Michigan

Commodities

Commodity Importance
Copper Primary

Materials information

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

Nearby scientific data

Main Entrance (1) -88.42895, 47.2642
ListMap

Economic information

Ore body information

  • Strike N35E
    Dip 38N
    Thickness 1.8M
    Length 2000M
    Width 2050M
    Area 10HA
    Depth to top 600M
    Field Value
    Type of Orebody #1 REPLACEMENT
    Shape of Orebody #1 LENTICULAR
    Type of Orebody #2 DISSEMINATED
    Shape of Orebody #2 TABULAR
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control LITHOLOGY
    Secondary Ore Control OTHER
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 PROPYLITIC
    Type of Wallrock Alter. #2 BLEACHING
    Strike And Dip N35E:38N
    Minimum Depth to Top 1
    Avg. Thick. Unconsol. Mat. 9
    Min. Thick. Unconsol. Mat. .3
    Total Surface Area (HA) 10
    Date of Last Modification 790111

Comments on the geologic information

  • SOURCE OF INFORMATION: REFERENCES G001-3,7-9,10-11. THE CONGLOMERATE CHANGES TO SANDSTONE AT THE THINNER MARGINS OF THE LENS. BECAUSE THE PERMEABILITY OF THE SANDSTONE IS LESS, ORE IS CONFINED TO THE CONGLOMERATIC PORTION OF THE LENS.
  • MINERAL WEIGHT PERCENTAGES FROM WILBAND, REFERENCE M001-2.

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1864
Year of first production 1869
Milling method Flotation

Mining district

District name Michigan Native Copper Belt

Mineral rights holdings

Type of mineral rights Fee Ownership
Type of mineral rights Private Lease

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Michigan Copper Co, U S Highighway 81, 41n Calumet, Mi 49913
    ID 2000999
    Interest 100
    Home office Michigan
    Year 1994

Comments on the ownership information

  • MINERAL WEIGHT PERCENTAGES FROM WILBAND, REFERENCE M001-2. PROPERTY NOW (1994) 0WNED BY MICHIGAN COPPER CO. PH: 906-296-9918 COMPANY LOCATED IN CALUMET, MICHIAN

Production statistics

  • Year 1965
    Description Unknown Grade 543799 Pounds Of Recov. Copper
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Copper Copper 246663.07mt
  • Year 1966
    Description 1.37% Recoverable Copper In Ore 782899 Pounds Of Recov. Copper
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Copper Copper 355117.01mt 1wt-pct
  • Year 1967
    Description 1.37% Recoverable Copper In Ore 6072899 Pounds Of Recov. Copper
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Copper Copper 2754620.65mt 1wt-pct
  • Year 1968
    Description 1.37% Recoverable Copper In Ore 5390899 Pounds Of Recov. Copper
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Copper Copper 2445270.65mt 1wt-pct
  • Year 1975
    Description 1.63% Recoverable Copper In Ore 1455700 Pounds Of Recov. Copper
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Copper Copper 660294.41mt 2wt-pct
  • Year 1976
    Description 1.63% Recoverable Copper In Ore 3886200 Pounds Of Recov. Copper
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Copper Copper 1762750.66mt 2wt-pct

Comments on the production information

  • SOURCE OF HISTORY INFORMATION: REFERENCES H001-10. SOURCE OF PRODUCTION AND EXPLORATION HISTORY INFORMATION: REFERENCES H011-13 AND Q001-4.

Comments on the reserve resource information

  • MATRIX ONE CONTAINS THE RESERVE FIGURES RELEASED BY MINE OFFICIALS AT THE TIME OF CLOSING OF THE MINE IN 1968. SEE REFERENCE Q001-4 FOR BASIS OF THE PROBABILITY ASSIGNMENT.
  • INCLUDED IN A REPORT BY DRESCHER. SEE CALUMET NO. 1 MAS SEQ # 0260610007A ADIT UPDATE 1993: THE MINE WAS DEWATERED IN 1990 AND OPERATIONS PROPOSED FOR 1991, BUT INVESTMENT PROBLEMS PRECLUDED OPERATIONS.

Workings at the site

  • Type of workings Underground
    Length 17819M
    Overall depth 1914M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method HORIZ CUT & FILL W/WASTE ROCK 10-60
    Swell Factor .54
    Percent Waste Rock 0
    Percent Recovery 100
    Hardness of Rock HARDROCK WITH LITTLE WATER
    Rock Characteristics ONE SYSTEM OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Number of Shafts 2
    Capacity 1000
    Capacity Units MT ORE/DAY
    Unit Production Cost 26.38
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 2
    Year of Information 1978

Comments on the workings information

  • ENVIRONMENTAL SENSITIVITY OF LAND AND WATER TO MINERAL EXTRACTION IS RATED MODERATE IN BOTH LONG AND SHORT TERM BECAUSE OF SIZE OF TAILINGS DISPOSAL AREA AND BECAUSE OF THE HIGH SALINITY OF MINE WATERS.

Reference information

Bibliographic references

  • Geology

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

  • Geology

    IGAN. U.S. GEOLOGICAL SURVEY PROF. PAPER NO. 144, 1929, 238

  • Geology

    PP. PLUS SEPARATE PLATES.

  • Geology

    HUBBARD, H.A. LOWER KEWEENAWAN VOLCANIC ROCKS OF MICHIGAN

  • Geology

    AND WISCONSIN. U.S. GEOLOGICAL SURVEY J. RES., V. 3, NO. 5,

  • Geology

    SEPT.-OCT.,1975, PP. 529-541.

  • Geology

    WEEGE, R.J., ET AL. THE GEOLOGY OF TWO NEW MINES IN THE NA-

  • Geology

    TIVE COPPER DISTRICT OF MICHIGAN. ECON. GEOL., V. 67,

  • Geology

    1972, PP. 622-633,

  • Geology

    WHITE, W.S., ED. GUIDEBOOK FOR FIELD CONFERENCE, MICHIGAN

  • Geology

    COPPER DISTRICT. MICHIGAN TECH. UNIV. PRESS, 1971,82PP

  • Geology

    WEEGE, R.J. AND POLLOCK, J.P. 1971. RECENT DEVELOPMENTS IN

  • Geology

    THE NATIVE-COPPER DISTRICT OF MICHIGAN. IN GUIDEBOOK

  • Geology

    FOR FIELD CONFERENCE. ED. BY W.S. WHITE. PP. 18-43.

  • Geology

    MICH. TECH. PRESS.

  • Geology

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

  • Geology

    GAN. CHAPTER IN ORE DEPOSITS OF THE UNITED STATES,

  • Geology

    1933-1967, ED. BY J.D. RIDGE, AIME, V. 1, 1968, PP.

  • Geology

    303-325.

  • Deposit

    BRODERICK, T.M. AND C.D. HOHL. THE MICHIGAN COPPER DIST-

  • Deposit

    RICT. CHAPTER IN COPPER RESOURCES OF THE WORLD, INTER-

  • Deposit

    NAT. GEOL. CONG., WASHINGTON, D.C., 1935, PP. 271-284.

  • Deposit

    WEEGE, R.J., AND J.P. POLLOCK. EXPLORATION METHODS IN THE

  • Deposit

    COPPER COUNTRY, KEWEENAW PENINSULA, MICHIGAN. CHAPTER

  • Deposit

    IN PAPERS PRESENTED AT THE AIME PACIFIC SOUTHWEST MIN-

  • Deposit

    ERAL INDUSTRY CONFERENCE, SPARKS, NEVADA, MAY 5-7,1965,

  • Deposit

    SESSION ON NORTH AMERICAN EXPLORATION AND MINE DEVELOP-

  • Deposit

    MENT; NEVADA BUREAU OF MINES REPT. 13, PT. C, 1966, PP.

  • Deposit

    51-61.

  • Deposit

    WILBAND, J.T. THE COPPER RESOURCES OF NORTHERN MICHIGAN.

  • Deposit

    BUMINES MINERALS AVAILABILITY SYSTEM CONTRACT NO. J0366

  • Deposit

    067, UNPUBL. FINAL REPT., 1978, 66 PP.; COPY AT E.F.O.C

  • Geology

    WILBAND, J.T. PETROGRAPHIC STUDIES OF KEWENAW ROCKS. UN-

  • Geology

    PUBLISHED, 1970.

  • Reserve-Resource

    WILBAND, J.T. STUDY TO EVALUATE THE COPPER AND SILVER DE-

  • Reserve-Resource

    POSITS IN THE STATE OF MICHIGAN. BUMINES MINERALS

  • Reserve-Resource

    AVAILABILITY SYSTEM CONTRACT NO. J0366067 (MICHIGAN

  • Reserve-Resource

    STATE UNIV.), UNPUBLISHED DEPOSIT FILES, 1978:

  • Deposit

    ANON. 1976. 1876-1976 HOMESTAKE CENTENNIAL. BROCHURE DIS-

  • Deposit

    TRIBUTED BY THE HOMESTAKE MINING COMPANY.

  • Deposit

    JOLLY, W.T. 1972. DEGRADATION AND METAMORPHIC DIFFERENTIA-

  • Deposit

    TION OF THE KEWEENAWAN THOLEITIC LAVAS OF NORTHERN

  • Deposit

    MICHIGAN, U.S.A. JOURNAL OF PETROLOGY. VOL. 13. PP.

  • Deposit

    273-309.

  • Deposit

    LEWIS, J.D. 1975. MICHIGAN MINERAL PRODUCERS, DEPT. NAT.

  • Deposit

    RESOURCES, GEOL. SURV. DIV. ANNUAL DIRECTORY.

  • Deposit

    MILLER, V.R. ET AL. 1974. DETECTING AND SORTING DISSEMINAT-

  • Deposit

    ED NATIVE COPPER ORE. U.S.B.M. R.I. 7904.

  • Deposit

    BROOKS, T.S., R. PUMPELLY, AND C. ROMINGER. UPPER PENIN-

  • Deposit

    SULA, 1869-1873. GEOLOGICAL SURVEY OF MICHIGAN, V.1, 1873,

  • Deposit

    567 PP.

  • Deposit

    SKILLINGS, 8-26-89, P3.

  • Deposit

    RCF LIST 10/81

  • Deposit

    NOT ON 1980 OR 1981 MSHA LISTS; ASSUME PAST PRODUCER

General comments

Subject category Comment text
Deposit ORE CONTROLS ARE LITHOLOGY AND PERMEABILITY.

Reporter information

Type Date Name Affiliation Comment
Reporter 03-OCT-1994 Drescher, Theodore A. U.S. Bureau of Mines

Beyond USGS

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

Maps centered on this site