Agate Harbor Mine

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

Geologic information

Identification information

Deposit ID 10310095
MRDS ID LW00095
Record type Site
Current site name Agate Harbor Mine

Geographic coordinates

Geographic coordinates: -88.04364, 47.44139 (WGS84)
Relative position EAGLE HARBOR TOWNSHIP

Site location context

Political divisions (FIPS codes)

Keweenaw(county)

Michigan(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Delaware(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 Keweenaw

Public Land Survey System information

Meridian Township Range Section Fraction State
Michigan 58N 29W 7 NW Michigan

Comments on the location information

  • LOCATED ON ROAD NORTH OF THE RESOLUTE MINE

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Copper Ore

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) -88.04364, 47.44139

Economic information

Geologic structures

Type of structure Regional
Structure description Syncline

Ore body information

  • 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
Year of first production 1846
Year of last production 1854

Mining district

District name Keweenaw Copper District

Ownership information

  • Type Owner
    Owner Agate Harbor Mining Co. (French)

Comments on the workings information

  • 3 SHAFTS INTO FISSURE VEINS

Reference information

Bibliographic references

  • Deposit

    JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, KEWEENAW COUNTY, P. 4-5, SITE ID # 420002, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.

General comments

Subject category Comment text
Deposit MINE IS ON 2 SIDE BY SIDE FISSURES

Reporter information

Type Date Name Affiliation Comment
Reporter 04-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.