El Toqui

Producer in Chile with commodities Copper, Zinc
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. Ownership information
  9. Reserves and resources
  10. Workings at the site
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10279511
MAS/MILS ID 3370370002
Record type Site
Current site name El Toqui

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -72.14947, -45.01442 (WGS84)

Site location context

Political divisions (FIPS codes)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country
Chile

Commodities

Commodity Importance
Copper Secondary
Zinc Critical Primary

Nearby scientific data

Ore Body (1) -72.14947, -45.01442

Economic information

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Significant Yes
Mining method Open Stope - Room and Pillar
Year of first production 1986
Milling method Flotation

Ownership information

  • Type Operator
    Owner Sociedad Contractual Minera El Toqui Ltd.
    Home office Chile
    Year 1996
  • Type Owner
    Owner Minera American Barrick Ltda.
    Interest 100
    Home office Chile
    Year 1996
  • Type Owner
    Owner Barrick Gold Corp. (American Barrick Resources Corp.)
    Interest 100
    Home office Canada
    Year 1996

Reserves and resources

  • Type In-situ
    Estimate year 1993
    Demonstrated 5600000mt ore
    Total resources 5600000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 7.7 wt-pct Zinc Major 1993
    Lead Pb 0.5 wt-pct Lead 1993

Comments on the reserve resource information

  • DATA FROM PAH REPORT.

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method ROOM AND PILLAR 10-34
    Percent Recovery 100
    Capacity 1200
    Capacity Units MT ORE/DAY
    Operating Days per Year 300
    Year of Information 1989

Reference information

Bibliographic references

  • Reserve-Resource

    AME MINERAL ECONOMICS QUARTERLY MINE ANALYSIS, JUN 93,P. 48.

General comments

Subject category Comment text
Deposit (THE MINE WAS OPENED FOR A SHORT PERIOD IN 1984, BUT WAS THEN CLOSED AND LATER REOPENED IN 1986 AND HAS SINCE REMAINED IN PRODUCTION. 2-92 LAC MINERALS HAS ANNOUNCED THAT IT HAS WITHDRAWN PLANS TO FURTHER EXPAND EL TOQUE MINE. THE COMPANY HAS INVESTED IN AN EXPLORATION PROGRAM TO RE-EVALUATE ORE RESERVES, AND HAS RECENTLY EXPANDED MILL CAPACITY BY AROUND 45% TO 450,000 TPY PRODUCING AROUND 26,000 TPY ZN CONC.

Reporter information

Type Date Name Affiliation Comment
Reporter 11-MAR-1997 Difrancesco, Carl A. U.S. Bureau of Mines

Beyond USGS

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