Bohemian 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. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Production statistics
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10310131
MRDS ID LW00131
Record type Site
Current site name Bohemian Mine
Alternate or previous names Lake Mine, Great Western

Comments on the site names

  • PART OF LAKE MINE GROUP

Geographic coordinates

Geographic coordinates: -89.04313, 46.77861 (WGS84)
Relative position GREENLAND TOWNSHIP; ON THE BLUFF SOUTH OF M-26 AND EAST OF M-38

Site location context

Political divisions (FIPS codes)

Ontonagon(county)

Michigan(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Greenland(quadrangle 1:24,000 scale)

Ontonagon(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 Ontonagon

Public Land Survey System information

Meridian Township Range Section Fraction State
Michigan 51N 37W 29,30,31,32 SW OF 29 Michigan
SE OF 30 Michigan
NE OF 31 Michigan
NW OF 32 Michigan

Commodities

Commodity Importance
Copper Primary

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) Portage Lake Volcanics

Economic information

Ore body information

  • Name BUTLER, EVERGREEN & KNOWLTON LODES
    General form IRREGULAR

Comments on the geologic information

  • ALTERNATE BRECCIATED BASALT FLOWS, AMYGDALOIDAL BASALTS AND/OR INTERFLOW CONGLOMERATES - VARIES WITH LOCATION

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No
Discoverer Aboriginal Indians
Year of first production 1848
Year of last production 1886

Mining district

District name Keweenaw Copper District

Production statistics

  • Year 1886
    Period 1848-1886
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major recovered Cu Copper Copper 302.11mt

Comments on the workings information

  • ADIT INTO HILL, SHAFT FOR HOIST; SEE LAKE MINE ENTRY FOR LATER MINING AT DEPTH AT THIS LOCATION

Comments on development

  • PISCATAUQUA (SEC 29) 1848, INTERNATIONAL 1852, GREAT WESTERN MINING CO.(SEC 30), BOHEMIA (SEC 31) 1853, (SPENT $181K PRODUCED $13K), BELT COPPER MINE LTD.1882, ARCTIC 1901, BELT CONSOLIDATED COPPER CO. 1901, DIANA 1895-96, TO LAKE COPPER CO. 1905

Reference information

Bibliographic references

  • Deposit

    JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, ONTONAGON COUNTY, P. 114-115, SITE ID # 660011, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.

  • Production

    UNDERGROUND MINE INVENTORY

Reporter information

Type Date Name Affiliation Comment
Reporter 06-AUG-2002 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.