Duvay-Obalski

Plant in Quebec, Canada with commodities Gold, Silver
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Economic information about the deposit and operations
  8. Mining district
  9. Mineral rights holdings
  10. Land status
  11. Ownership information
  12. Reserves and resources
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10303074
MAS/MILS ID 1220500139
Record type Site
Current site name Duvay-Obalski
Alternate or previous names South Briar, Goldstack, Duvay, Midway, New Briar

Geographic coordinates

Geographic coordinates: -77.62044, 48.68999 (WGS84)

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Canada Quebec

Commodities

Commodity Importance
Gold Primary
Silver Primary

Nearby scientific data

(1) -77.62044, 48.68999

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Plant
Commodity type Metallic
Significant Yes
Mining method Open Pit
Plant type Leach
Plant subcategory Hydromet
Milling method Leach-Precipitation

Mining district

District name Val D'Or

Mineral rights holdings

Type of mineral rights Unknown

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner Sphinx Mining Co.
    Interest 100
    Home office Canada
    Year 1992

Reserves and resources

  • Type In-situ
    Estimate year 1990
    Demonstrated 6080000mt ore
    Total resources 6080000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 2.1 g/mt Gold Major 1990
  • Type In-situ
    Estimate year 1992
    Indicated 6078000mt ore
    Demonstrated 6078000mt ore
    Total resources 6078000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 2.057 g/mt Gold Major 1992

Comments on the reserve resource information

  • SEE NORTHERN MINER REFERENCE, 004-005.

Reference information

Bibliographic references

  • Reserve-Resource

    MR 223, 1989, (QUE-223).

  • Reserve-Resource

    THE NORTHERN MINER, "SPHINX HEAP-LEACH GOLD IN QUEBEC",

  • Reserve-Resource

    SEPT. 17, 1990, PAGES 1, 19.

  • Reserve-Resource

    THE NORTHERN MINER, "FEASIBILITY DONE ON SPHINX PROJECT",

  • Reserve-Resource

    JULY 8; PAGE 19, JULY 15; PAGE 17, 1991.

  • Deposit

    METALS ECONOMICS GROUP, JUNE 1992.

General comments

Subject category Comment text
Deposit FEASIBILITY DONE BY MID-1991, SEE NORTHERN MINER REFERENCE

Reporter information

Type Date Name Affiliation Comment
Reporter 10-FEB-1993 Porter, Kenneth E. U.S. Bureau of Mines

Beyond USGS

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