Lizzardo

Prospect 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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Economic information about the deposit and operations
  12. Mining district
  13. Ownership information
  14. Reserves and resources
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10082596
MRDS ID W060026
Record type Site
Current site name Lizzardo

Geographic coordinates

Geographic coordinates: -88.2056, 47.35 (WGS84)
Relative position ABOUT 1.5 MILES WEST OF 543-S DEPOSIT

Site location context

Political divisions (FIPS codes)

Keweenaw(county)

Michigan(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bruneau Creek(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 057N 031W 11 Michigan

Comments on the location information

  • INEXACT LOCATION - ASSUMED CENTER OF SECT 11 FOR LAT/LONG ESTIMATE

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Chalcocite Ore

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

Nearby scientific data

(1) Jacobsville Sandstone

Economic information

Geologic structures

Type of structure Regional
Structure description Syncline
Type of structure Local
Structure description Amygdaloidal flow tops and associated dacite dike

Comments on the geologic information

  • SIMILAR GEOLOGIC ENVIRONMENT TO DEPOSIT AT 543-S

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No
Discoverer Homestake Keweenaw venture

Mining district

District name Keweenaw Copper

Ownership information

  • Type Owner
    Owner Michigan Copper Company Ltd

Reserves and resources

  • Type In-situ
    Estimate year 1995
    Reserves 104
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 1.77 wt-pct Copper Major 1995

Comments on the reserve resource information

  • Reported ore grade 1.77% Cu.

Reference information

Bibliographic references

  • Deposit

    MICHIGAN COPPER COMPANY LTD, 19----, MICHIGAN COPPER SULFIDE PROJECT: KEWEENAW PENINSULA: COMPANY REPORT, 21 PP.

  • Reserve-Resource

    MICHIGAN COPPER COMPANY LTD REPORT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1995 Nicholson, Suzanne U.S. Geological Survey
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.