Winona Mine

Past Producer in Houghton 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. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Production statistics
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10080390
MRDS ID W031517
Record type Site
Current site name Winona Mine

Geographic coordinates

Geographic coordinates: -88.907, 46.87528 (WGS84)

Site location context

Political divisions (FIPS codes)

Houghton(county)

Michigan(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Winona North(quadrangle 1:24,000 scale)

L'Anse(quadrangle 1:100,000 scale)

Iron River(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
052N 036W 29 Michigan

Comments on the location information

  • CENTERED BETWEEN THE FOUR SHAFTS IN SECTION 29.

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Copper Ore
Quartz Gangue
Calcite Gangue
Epidote Gangue
Pumpellyite-(Mg) Gangue
Chlorite Gangue
Feldspar Gangue
Prehnite Gangue
Laumontite Gangue
Silver Gangue

Alteration

  • (Local) Removal of hematite, copper replacement, quartz- pumpellyite bleaching

Mineral occurrence model information

Model code 96
USGS model code Unassigned
Deposit model name Native Cu
Mark3 model number 99

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt
    Rock unit name Portage Lake Volcanics
    Rock description Portage Lake Volcanics
    Stratigraphic age (youngest) Stenian
    Chronological age 1095

Nearby scientific data

(1) -88.907, 46.87528

Economic information

Controls for ore emplacement

  • Concentrated in shoots (stratigraphic in amygdaloid or fissure related)

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Large
Significant Yes

Mining district

District name Keweenaw Copper

Land status

Ownership category Private

Production statistics

  • Year 1920
    Period 1902-1920
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major recovered Cu Copper Copper 8021.4mt

Comments on the production information

  • Ore grade reported 14.03 LBS CU/TON (0.70% Cu). GRADE GIVEN IS AN AVERAGE OF 14 AVAILABLE FIGURES, 1902-1919. THE PRODUCTION AMOUNT IS FOR THE WINONA LODE AS A WHOLE (WORKED BY THE WINONA AND KING PHILIP MINES).

Comments on the reserve resource information

  • A HIGHLY SPECULATIVE ESTIMATE OF 500 TONS OF RESERVES YIELDING 4.5 MT COPPER.

Reference information

Bibliographic references

  • Deposit

    COPPER RANGE CO., UNPUBLISHED, 1968, BEDROCK GEOLOGY MAP OF THE WINONA (SW1/4) QUADRANGLE, HOUGHTON 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., 19788 THE COPPER RESOURCES OF NORTHERN MICHIGAN; PREPARED FOR THE U.S. BUREAU OF MINES, CONTRACT NO. J0366067, 66P.

  • Production

    BUTLER AND BURBANK (1929)

General comments

Subject category Comment text
Deposit FIRST ORGANIZED IN 1864, WITH A FEW UNRECORDED SHIPMENTS. IN 1870, THE MINE WAS LEFT TO TRIBUTORS. REORGANIZED IN 1898 AS THE WINONA COPPER CO., WHICH BEGAN SHIPMENTS IN 1902. ABSORBED THE KING PHILIP COPPER CO. IN 1911. CLOSED IN 1920 AND LAST SHIPMENT WAS IN THAT YEAR.

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

Beyond USGS

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

External references