Defensa-Todos Los Stos-Huascar

Producer in Chile with commodities Gold, Silver, Copper
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. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Production statistics
  15. Reserves and resources
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10058478
MRDS ID TC04466
Record type Site
Current site name Defensa-Todos Los Stos-Huascar

Geographic coordinates

Geographic coordinates: -69.53119, -25.10083 (WGS84)
Elevation 2780

Site location context

Political divisions (FIPS codes)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country
Chile

Commodities

Commodity Importance
Gold Primary
Silver Primary
Copper Primary

Materials information

Materials Type of material
Atacamite Ore
Bornite Ore
Chrysocolla Ore
Enargite Ore
Gold Ore
Pyrite Ore
Barite Gangue
Gypsum Gangue
Hematite Gangue
Limonite Gangue
Quartz Gangue

Alteration

  • (Local) Phyllic, Argillic, Silicic

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name El Guanaco Formation
    Rock description El Guanaco Formation
    Stratigraphic age (youngest) Paleocene
    Stratigraphic age (youngest) Paleocene
    Stratigraphic age (youngest) Paleocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -69.53119, -25.10083

Economic information

Ore body information

  • General form IRREGULAR
    Strike N85E
    Dip 75N
    Length 750M
    Width 1.5M

Controls for ore emplacement

  • Fault

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Medium
Significant No

Mining district

District name El Guanaco

Production statistics

  • Year 1983
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^3.5-18 G/T Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Gold Gold 11g/mt

Reserves and resources

  • Type In-situ
    Estimate year 1983
    Total resources 832000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 4.62 g/mt Gold Major 1983
    Silver Ag 23.36 g/mt Silver Major 1983

Workings at the site

  • Type of workings Surface/Underground
    Area 15HA
    Overall depth 250M
    Overall length 548.64M
    Overall width 250M

Reference information

Bibliographic references

  • Deposit

    BORIC, R., DIAZ, F., AND MAKSAEV, V., 1984, COMPLEMENTO MAPA METALOGENICO, II REGION: GERENCIA DE DESAROLLO, SANTIAGO, (12VOLS.).

  • Deposit

    CAMUS, F. Y DUHALDE, M.A., 1982, GEOLOGIA DE LOS YACIMIENTOS HIDROTERMALES DE ORO EN CHILE: REV. GEOL. DE CHILE, 17, P. 47-70.

  • Deposit

    ENAMI, 1976, 1978, 1979, #2389.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit OXIDIZED TO 100M; ENRICHED TO 160M

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1990 Williams, William C. University of Arizona

Beyond USGS

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