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Vulcan Exploration Copper Mine

Past Producer in Keweenaw 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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Production statistics
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10100311
MRDS ID W062191
Record type Site
Current site name Vulcan Exploration Copper Mine

Geographic coordinates

Geographic coordinates: -87.78752, 47.43611 (WGS84)
Elevation 271
Location accuracy 100(meters)
Relative position THE TRENCH IS ON THE LINE BETWEEN SECTIONS 7 AND 18

Site location context

Political divisions (FIPS codes)

Keweenaw(county)

Michigan(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Fort Wilkins(quadrangle 1:24,000 scale)

Copper Harbor(quadrangle 1:100,000 scale)

Hancock(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 Keweenaw

Public Land Survey System information

Meridian Township Range Section Fraction State
Michigan T58N R27W 7 SW OF SW Michigan
T58N R27W 18 Michigan

Comments on the location information

  • LOCATION IS FOR A N40 WEST-TRENDING TRENCH SHOWN ON THE FORT WILKINS 1:24,000 SCALE MAP.

Commodities

Commodity Importance
Copper Primary

Comments on the commodity information

  • COPPER OCCURS IN OR ADJACENT TO THE FISSURES OR FAULTS AS DISSEMINATED GRAINS, AS THIN SHEETS ALONG CRACKS, OR AS MASSES WEIGHING UP TO HALF A TON.

Materials information

Materials Type of material
Copper Ore
Calcite Gangue
Prehnite Gangue
Quartz Gangue
Datolite Gangue
Laumontite Gangue
Epidote Gangue
Chlorite Gangue

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) -87.78752, 47.43611
ListMap

Economic information

Ore body information

  • General form FISSURE

Controls for ore emplacement

  • Fissure

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Deposit size Small
Significant No
Year of first production 1864
Year of last production 1864
Production years 1864

Mining district

District name Keweenaw Copper

Production statistics

  • Year 1864
    Accuracy Accurate

Comments on the production information

  • REFINED COPPER WAS TAKEN FROM OPENINGS.

Reference information

Bibliographic references

  • Deposit

    BUTLER, B.S., AND BURBANK, W.S., 1929, THE COPPER DEPOSITS OF MICHIGAN: USGS PROF PAPER NO. 144, 238 PP.

  • Deposit

    CORNWALL, H. R., 1955, BEDROCK GEOLOGY OF THE FORT WILKINS QUADRANGLE, MICHIGAN: U.S. GEOLOGICAL SURVEY, GEOLOGIC QUADRANGLE MAPS OF THE UNITED STATES, GQ 74, 1:24,000.

  • Production

    BUTLER AND BURBANK (1929)

General comments

Subject category Comment text
Deposit THIS FISSURE DEPOSIT WAS WORKED BETWEEN 1864 AND 1866.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-96 Sutphin, D.M. (Cannon, W.F.) U.S. Geological Survey
Updater 01-MAR-97 Sutphin, D.M. U.S. Geological Survey
Editor 01-MAY-97 Mason Jr., G.T. U.S. Geological Survey

Beyond USGS

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

Maps centered on this site