San Antonio Mine

Past Producer in Manitoba, Canada with commodities Gold, Silver, Arsenic, Zinc, Lead, Copper, Bismuth
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Alteration
  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. Ownership information
  14. Production statistics
  15. Reserves and resources
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10084905
MRDS ID W700133
Record type Site
Current site name San Antonio Mine

Geographic coordinates

Geographic coordinates: -95.60034, 51.03334 (WGS84)
Relative position AT BISSETT, ON THE NORTH SHORE OF RICE LAKE

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Canada Manitoba

Commodities

Commodity Importance
Gold Primary
Silver Primary
Arsenic Critical Tertiary
Zinc Critical Tertiary
Lead Tertiary
Copper Tertiary
Bismuth Critical Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Magnetite Ore
Petzite Ore
Pyrite Ore
Pyrrhotite Ore
Sphalerite Ore
Ankerite Gangue
Chlorite Gangue
Tourmaline Gangue

Alteration

  • (Local) Silicification, Carbonitization, Sericitization, Epidotization, Chloritization, Albitization

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite > Diabase

Nearby scientific data

(1) -95.60034, 51.03334

Economic information

Ore body information

  • General form PINCH AND SWELL
    Strike 060-075 (16 TYPE VEINS), 300-330 (38 TYPE VEINS)
    Dip 60 NW (16 TYPE VEINS), VERTICALLY OR STEEPLY NE (38 TYPE VEINS)

Comments on the geologic information

  • THE SILL INTRUDES TUFF, ARKOSE, AND CONGLOMERATE OF THE RICE LAKE GROUP.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1911
Discoverer Alex Desautels
Year of first production 1932
Production years 1932-1968, 1982-1983

Mining district

District name Rice Lake District

Ownership information

  • Type Operator
    Owner San Antonio
    First year 1932
    Last year 1968
  • Type Operator
    Owner Brinco
    First year 1982
    Last year 1983
  • Type Lessee
    Owner San Antonio Resources
    First year 1985

Production statistics

  • Year 1982
    Material AU
    Accuracy Estimate
    Description Ap_Grade: ^Estimate With 90% Recovery
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 90wt-pct
  • Year 1983
    Material AU
    Accuracy Estimate
    Description Ap_Grade: ^Estimate With 90% Recovery
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 90wt-pct

Reserves and resources

  • Type In-situ
    Name UPPER LEVELS
    Estimate year 1987
    Commodity Subtype Grade units Group Importance Year
    Gold Au 7.2 g/mt Gold Major 1987
  • Type In-situ
    Name LOWER LEVELS
    Estimate year 1987
    Commodity Subtype Grade units Group Importance Year
    Gold Au 8.57 g/mt Gold Major 1987

Comments on the reserve resource information

  • * INCLUDING 136,000 TONNES WITH 11.31 G/T AU
  • THESE FIGURES INCLUDE PRODUCTION + RESERVES.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit THE GRADE OF THE ORE IS ABOUT 0.35 OZ/T AU.
Deposit OPERATIONS HAD BEEN SUSPENDED BY JANUARY, 1987.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1987 Paidakovich, Matthew E. U.S. Geological Survey
Updater 01-JUN-1989 Bolm, Karen S. U.S. Geological Survey

Beyond USGS

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