Defensa

Past Producer in Chile with commodities Gold, Copper, Silver
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. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10059695
MRDS ID TC06387
Record type Site
Current site name Defensa

Geographic coordinates

Geographic coordinates: -69.78563, -26.39192 (WGS84)
Elevation 1750

Site location context

Political divisions (FIPS codes)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country
Chile

Commodities

Commodity Importance
Gold Primary
Copper Secondary
Silver Secondary

Materials information

Materials Type of material
Gold Ore
Pyrite Ore

Alteration

  • (Local) Propylitic

Analytical data

Result 80M LEVEL: 18 G/T AU
Result 0.21% CU
Result 73 G/T AG

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -69.78563, -26.39192

Economic information

Ore body information

  • Strike 0
    Dip 80W
    Length 300M
    Width 0.5M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Caballo Muerto

Workings at the site

  • Type of workings Underground
    Overall depth 110M

Reference information

Bibliographic references

  • Deposit

    DIAZ, ET AL., 1980, MAPA METALOGENICO PRONOSTICO DE LA III REGION: CORPORACION DE FOMENTO DE LA PRODUCCION, SANTIAGO (5 VOLS.).

  • Deposit

    MORENO, H., 1973, IIG (INEDITO).

  • Deposit

    ENAMI, 1943, #3001.

  • Other Database

    CIMRI

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1991 Williams, William C. University of Arizona

Beyond USGS

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