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Kearsarge Amygdaloid No.1

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 10146467
MRDS ID W060037
MAS/MILS ID 0260610003
Record type Site
Current site name Kearsarge Amygdaloid No.1
Alternate or previous names Peninsula, Ahmeek, North Kearsarge, South Kearsarge, Centennial No. 2, Gratiot, Mohawk, Wolverine, Douglass, Calumet and Hecla Crosscut, Allouez Crosscut, Osceola Crosscut
Related records 10082605

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -88.41755, 47.2778 (WGS84)
Elevation 300
Location accuracy 1000(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 Michigan

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Barite Unknown
Calcite Unknown
Chlorite Unknown
Copper Unknown
Epidote Unknown
Hematite Unknown
Laumontite Unknown
Plagioclase Unknown
Prehnite Unknown
Pyroxene Unknown
Quartz Unknown
Saponite Unknown
Silver Unknown

Nearby scientific data

Ore Body (1) -88.41755, 47.2778
ListMap

Economic information

Ore body information

  • Strike N40E
    Dip 40N
    Thickness 3M
    Length 17600M
    Width 3700M
    Area 20HA
    Depth to top 1200M
    Field Value
    Type of Orebody #1 DISSEMINATED
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 REPLACEMENT
    Type of Orebody #3 FISSURE VEIN
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control LITHOLOGY
    Secondary Ore Control FRACTURING
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 BLEACHING
    Type of Wallrock Alter. #2 PROPYLITIC
    Strike And Dip N40E:40N
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 3
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 20
    Date of Last Modification 790111

Comments on the geologic information

  • MINERAL WEIGHT PERCENTAGES FROM WILBAND, REF. M001-2. OTHER MINERALS ARE MENTIONED IN REF. G007-10.
  • DIMENSIONS OF MINERALIZED ZONE FROM DIAGRAMS BY AASE (GENERAL REFERENCE LINES 001-003). THE BEST GEOLOGICAL DESCRIPTION OF THE KEARSARGE LODE IS REF. G007-10.

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Large
Significant Yes
Discovery year 1874
Year of first production 1887

Mining district

District name Michigan Native Copper Belt

Mineral rights holdings

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

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Universal Oil Products
    Interest 100
    Home office Illinois
    Year 1978

Comments on the ownership information

  • THE PROPERTY IS LEASED TO HOMESTAKE COPPER COMPANY AND INCO, LTD., ON A 60-40 PERCENTAGE PARTNERSHIP BASIS.

Production statistics

  • Year 1962
    Description Unk. Grade-Centennial, Peninsula Mines 10499000 Pounds Of Refined Copper
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Copper Copper 476226.62mt
  • Year 1963
    Description Unk. Grade-Centennial, Peninsula Mines 9427000 Pounds Of Refined Copper
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Copper Copper 4276015.27mt
  • Year 1964
    Description Unk. Grade-Centennial, Peninsula Mines 8500399 Pounds Of Refined Copper
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Copper Copper 3855716.12mt
  • Year 1965
    Description Unk. Grade-Centennial, Peninsula Mines 4325600 Pounds Of Refined Copper
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Copper Copper 1962059.15mt
  • Year 1966
    Description Unknown Grade Ore From Centennial Mine 2862299 Pounds Of Refined Copper
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Copper Copper 1298316.98mt
  • Year 1967
    Description Unknown Grade Ore From Centennial Mine 725100 Pounds Of Refined Copper
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Copper Copper 328899.82mt

Comments on the production information

  • YEAR OF DISCOVERY FROM REFERENCE H011-13, YEAR OF INITIAL PRODUCTION FROM REF. G001-3, YEAR OF LAST PRODUCTION FROM REF. H008-10. AN EXPLORATION DRIFT ON THE SOUTH END OF THE KEARSARGE LODE RESULTED IN THE DISCOVERY OF A BLIND ORE SHOOT (REF. H001-7 ). PRODUCTION DATA FROM REFERENCE H008-10.

Comments on the reserve resource information

  • DERIVATION OF QUANTITIES EXPLAINED IN GENERAL COMMENTS, AND SOURCE OF QUANTITY INFORMATION IS GIVEN IN GENERAL REFERENCES. THE RESERVES OF THE SENECA MINE (SEQ. NO. 0260830021) HAVE BEEN SUBTRACTED OUT BECAUSE THE SENECA RESERVES ARE WITHIN THE ORE BLOCK DEFINED BY AASE FOR THE KEARSARGE AMYGDALOID NO. 1 DEPOSIT.

Workings at the site

  • Type of workings Underground
    Length 7000M
    Overall depth 1524M
    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 .55
    Percent Waste Rock 25
    Percent Recovery 100
    Hardness of Rock HARDROCK FISSURED WITH MODERATE 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 6000
    Capacity Units MT ORE/DAY
    Unit Production Cost 24.35
    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

    WHITE, W.S., ET AL. BEDROCK GEOLOGY OF THE AHMEEK QUADRAN-

  • Geology

    GLE, MICHIGAN. USGS MAP GQ-27, 1953.

  • Geology

    CORNWALL, H.R. AND J.C. WRIGHT. GEOLOGIC MAP OF THE LAURIUM

  • Geology

    QUADRANGLE, MICHIGAN. USGS MAP MF47, 1956.

  • Geology

    DAVIDSON, E.S., ET AL. BEDROCK GEOLOGY OF THE MOHAWK QUAD-

  • Geology

    RANGLE. MICHIGAN. USGS MAP GQ-54, 1955.

  • Geology

    CORNWALL, H.R., ET AL. DETAILED GEOLOGIC MAPS OF RECENTLY

  • Geology

    ACTIVE COPPER MINES, HOUGHTON AND KEWEENAW COUNTIES,

  • Geology

    MICHIGAN. U.S. GEOLOGICAL SURVEY OPEN FILE REPT., 1947, 43

  • Geology

    PP., 24 PLATES.

  • Geology

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

  • Geology

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

  • 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. JO366

  • Deposit

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

  • 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

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

  • Deposit

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

  • Deposit

    PP. PLUS SEPARATE PLATES.

  • Geology

    WILBAND, J.T. PETROGRAPHIC STUDY OF KEWEENAW BASALTS. UN-

  • Geology

    PUBLISHED, 1970.

  • Deposit

    AASE, JAMES H, MICHIGAN NATIVE-COPPER AVAILABILITY STUDY, RE

  • Deposit

    & RESOURCE PORTION OF UNPUBLISHED BUMINES STUDY, 1970,

  • Deposit

    (SOURCE OF RESERVE & RESOURCE DATA, HAS DIAGRAMS OF ORE

  • Deposit

    BECHTEL CORP, PRELIMINARY ENGINEERING & FEASIBILITY STUDY FO

  • Deposit

    HILLS CREEK PROJECT, FOR CALUMET & HECLA, INC., 1966.

  • Deposit

    (CONFIDENTIAL SOURCE OF SOME MILL & MINE COSTING DATA U

  • Deposit

    6000 TPD MILL & MINE MODELS IN BUMINES IC 8598)

  • Deposit

    BENNETT,H J, ET AL, AN ECONOMIC APPRAISAL OF THE SUPPLY OF C

  • Deposit

    FROM PRIMARY DOMESTIC SOURCES, BUMINES IC 8598, PP 15-1

  • Deposit

    96-97. (SOURCE OF MODEL MINE & MILL COSTS & DESIGN, W

  • Deposit

    WERE SCALED UP TO THE SIZE OF THIS PROPERTY)

  • Deposit

    JOHNSON, GUY A, MICHIGAN NATIVE COPPER AVAILABILITY STUDY, C

  • Deposit

    PORTION OF UNPUBLISHED BUMINES STUDY, 1970, 30 P. (SO

  • Deposit

    OF MINE DESIGN & SOME MINE COSTING INFORMATION USED IN

  • Deposit

    IC 8598, HAS MINE DESIGN ILLUSTRATIONS NOT IN IC)

  • Deposit

    WHITE, W S, THE NATIVE COPPER DEPOSITS OF NORTHERN MICHIGAN,

  • Deposit

    DEPOSITS OF THE U.S., 1933-1967, AIME, 1968, PP303-326.

  • Deposit

    (GENERAL DESCRIPTION OF DISTRICT, PLUS DETAILED BIBLIOG

  • Deposit

    MATHEWS, A. A., INC. CAPITAL AND OPERATING COST ESTIMATING S

  • Deposit

    FOR MINING AND BENEFICIATION OF METALLIC AND NONMETALLIC MIN

  • Deposit

    EXCEPT FOSSIL FUELS IN THE UNITED STATES AND CANADA. U.S.B.M

  • Deposit

    CONTRACT NO. JO255026. JULY 1975 299 PP.

  • Deposit

    BRODERICK. T.M., C.D. HOHL, AND H.N. EIDEMILLER. RECENT

  • Deposit

    CONTRIBUTIONS TO THE GEOLOGY OF THE MICHIGAN COPPER

  • Deposit

    DISTRICT. ECON. GEOL., V. 41, NO. 7, 1946, PP.675-725.

  • Deposit

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

  • Deposit

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

  • Deposit

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

General comments

Subject category Comment text
Deposit COPPER TONNAGES & GRADES FROM AASES REPORT, SEE REFERENCES. ALL OTHER % P VALUES GENERATED FROM 50% P TONNAGE (THE CUMMULATIVE OF ALL MEASURED, INDICATED & INFERRED RESERVES DOWN TO THE 7800 FT LEVEL FOR THAT ORE GRADE SHOWN). SEE HARD-COPY BACKUP-FILE FOR DETAILS. THE DEPOSIT IS LOCATED IN THE MOHAWK, AHMEEK, AND LAURIUM 7.5 MINUTE QUADS.

Reporter information

Type Date Name Affiliation Comment
Reporter 21-MAR-1995 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