Equity Silver

Producer in British Columbia, Canada with commodities Silver, Gold, Copper, Antimony, Arsenic
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Reserves and resources
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10084823
MRDS ID W700036
Record type Site
Current site name Equity Silver

Geographic coordinates

Geographic coordinates: -126.26822, 54.18313 (WGS84)

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Canada British Columbia

Commodities

Commodity Importance
Silver Primary
Gold Primary
Copper Secondary
Antimony Critical Tertiary
Arsenic Critical Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Magnetite Ore
Pyrite Ore
Pyrrhotite Ore
Sphalerite Ore
Tetrahedrite Ore
Andalusite Gangue
Pyrophyllite Gangue
Quartz Gangue
Scorzalite Gangue
Sericite Gangue
Tourmaline Gangue

Mineral occurrence model information

Model code 83
USGS model code 22a
Deposit model name Volcanic-hosted Cu-As-Sb

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock
    Rock unit name Skeena Group
    Rock description Skeena Group
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -126.26822, 54.18313

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No
Discovery year 1967

Reserves and resources

  • Type In-situ
    Estimate year 1983
    Total resources 27400000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 105.6 g/mt Silver Major 1983
    Gold Au 0.95 g/mt Gold Major 1983
    Copper Cu 0.38 wt-pct Copper Minor 1983
    Antimony Sb 0.08 wt-pct Antimony Trace 1983

Comments on the reserve resource information

  • CUTOFF GRADE OF 64 G/T AG.

Reference information

Bibliographic references

  • Deposit

    KOWALCHUK, J.M., CHURCH, B.N., BRADSHAW, P.M.D., AND BARAKSO, J.J., 1984, LITHOGEOCHEMISTRY AT THE EQUITY SILVER MINE: WESTERN MINER, APRIL, 1984, P. 50-54

General comments

Subject category Comment text
Deposit HYDROTHERMAL MINERALIZATION RELATED TO AT LEAST 3 INTRUSIONS OF AGES 48-62 MA. TWO ORE ZONES: THE MAIN ZONE AND THE SOUTHERN TAIL. MINING OF THE SOUTHERN TAIL ZONE WAS SCHEDULED TO BE COMPLETED IN 1984.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1988 Orris, Greta J. U.S. Geological Survey

Beyond USGS

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