White Pine Extension Mine

Past Producer in Ontonagon county in Michigan, United States with commodity Copper
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. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10080389
MRDS ID W031516
Record type Site
Current site name White Pine Extension Mine
Alternate or previous names Pinex Mine

Geographic coordinates

Geographic coordinates: -89.72426, 46.74389 (WGS84)

Site location context

Political divisions (FIPS codes)

Ontonagon(county)

Michigan(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Aldridge Creek(quadrangle 1:24,000 scale)

Ontonagon(quadrangle 1:100,000 scale)

Iron River(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Black-Presque Isle(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 Ontonagon

Public Land Survey System information

Meridian Township Range Section Fraction State
Michigan 050N 043W 7 SE OF NE Michigan

Comments on the location information

  • CENTERED ON ONLY SHAFT IN SECTION 7.

Commodities

Commodity Importance
Copper Primary

Comments on the commodity information

  • PRIMARY COMMODITY WAS NATIVE COPPER IN SANDSTONE.

Materials information

Materials Type of material
Copper Ore
Chalcocite Ore
Quartz Gangue
Feldspar Gangue
Epidote Gangue
Chlorite Gangue
Tourmaline Gangue
Apatite Gangue
Mica Gangue

Alteration

  • (Local) Copper replacement, sandstone bleaching

Mineral occurrence model information

Model code 197
USGS model code 30b
Deposit model name Sediment-hosted Cu
Mark3 model number 63

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Siltstone
    Rock unit name Nonesuch Formation
    Rock description Nonesuch Formation
    Stratigraphic age (youngest) Stenian
    Chronological age 1080
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Nonesuch Formation
    Rock description Nonesuch Formation
    Stratigraphic age (youngest) Stenian
    Chronological age 1080
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Rock unit name Nonesuch Formation
    Rock description Nonesuch Formation
    Stratigraphic age (youngest) Stenian
    Chronological age 1080

Nearby scientific data

(1) -89.72426, 46.74389

Economic information

Geologic structures

Type of structure Local
Structure description White Pine fault

Controls for ore emplacement

  • Stratigraphic-in sandstone and permeable shale near base of formation, also small fissure veins

Comments on the geologic information

  • ORE WAS NATIVE COPPER IN SANDSTONE OF THE NONESUCH FORMATION FROM A SMALL FAULTED AREA IMMEDIATELY ADJOINING THE WHITE PINE FAULT.

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1872
Year of first production 1915
Year of last production 1918

Mining district

District name Keweenaw Copper

Land status

Ownership category State Park

Comments on the production information

  • IT IS NOT KNOWN FOR CERTAIN, BUT IT IS PROBABLE THAT THIS MINE WAS THE EXPLORATION MADE IN 1963-1964 BY WHITE PINE COPPER CO. WHICH PRODUCED 5,695,661 LBS. CU. NO SPECIFIC FIGURES AVAILABLE FOR THIS LOCATION.

Comments on the reserve resource information

  • POTENTIAL RECOVERABLE COPPER SULFIDE RESERVES FROM THE NONESUCH FORMATION BASED ON WHITE PINE ESTIMATES. HOWEVER, THESE ESTIMATES WERE FOR THE FORMATION AS A WHOLE, NO SPECIFIC INFO AVAILABLE FOR THIS LOCATION.

Comments on the workings information

  • SHAFT DEPTH 438 FEET. 1ST LEVEL AT 55', 2ND AT 220', 3RD AT 320' AND 4TH AT 420'

Comments on development

  • ORIGINAL EXPLORATION IN THE AREA WAS FOR NATIVE SILVER. WHITE PINE COPPER COMPANY OPERATED THE WHITE PINE EXTENSION.

Reference information

Bibliographic references

  • Deposit

    COPPER RANGE CO., UNPUBLISHED, 1968, BEDROCK GEOLOGY MAP OF THE BERGLAND (NW 1/4) QUADRANGLE, ONTONAGON COUNTY, MICHIGAN. GEOLOGY MAPPED AND COMPILED BY COPPER RANGE EXPLORATION CO., INC., AND BY H. HUBBARD (U.S.G.S.)

  • Deposit

    BUTLER, B.S., AND BURBANK, W.S., 1929, THE COPPER DEPOSITS OF MICHIGAN: U.S. GEOLOGICAL SURVEY PROF. PAPER 144, 238P.

  • Deposit

    WILBAND, J.T., 1978, THE COPPER RESOURCES OF NORTHERN MICHIGAN; PREPARED FOR THE U.S. BUREAU OF MINES, CONTRACT NO. J0366067, 66P.

  • Deposit

    JOHNSON, A.M., AND GROTH, E.H., INVENTORY OF UNDERGROUND OF MINES, ONTONAGON COUNTY, P. 258-260, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.

General comments

Subject category Comment text
Deposit NO DESCRIPTION INFORMATION AVAILABLE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1980 Yeager, Keith (Cannon, W.) Michigan Geological Survey Division
Updater 01-MAR-1997 Sutphin, D.M. U.S. Geological Survey
Editor 01-MAY-1997 Mason Jr., G.T. U.S. Geological Survey
Updater 08-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.

External references