Las Breas

Past Producer in Chile with commodity Copper
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Production statistics
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10058640
MRDS ID TC04936
Record type Site
Current site name Las Breas

Geographic coordinates

Geographic coordinates: -70.62731, -28.57247 (WGS84)
Elevation 875

Site location context

Political divisions (FIPS codes)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country
Chile

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Chrysocolla Ore
Malachite Ore

Host and associated rocks

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

Nearby scientific data

(1) -70.62731, -28.57247

Economic information

Ore body information

  • Strike 0
    Dip 40E
    Thickness 2M

Economic information about the deposit and operations

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

Mining district

District name El Jilguero

Production statistics

  • Year 1928
    Material ORE
    Accuracy Estimate
    Description Ap_Grade: ^5-6% Cu
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Copper Copper 6wt-pct

Comments on the production information

  • TAILINGS (1980): 5-6% CU; 3 G/T AU; 80 G/T AG

Workings at the site

  • Type of workings Underground
    Overall depth 15M

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.)

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit THREE MINERALIZED SEQUENCES

Reporter information

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

Beyond USGS

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