Buena Esperanza

Past Producer in Chile with commodities Gold, 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. Economic information about the deposit and operations
  10. Mining district
  11. Production statistics
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10059332
MRDS ID TC05900
Record type Site
Current site name Buena Esperanza

Geographic coordinates

Geographic coordinates: -70.74453, -29.69246 (WGS84)
Elevation 1800

Site location context

Political divisions (FIPS codes)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country
Chile

Commodities

Commodity Importance
Gold Primary
Copper Primary

Materials information

Materials Type of material
Bornite Ore
Chalcopyrite Ore
Pyrite 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) -70.74453, -29.69246

Economic information

Economic information about the deposit and operations

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

Mining district

District name La Corina

Production statistics

  • Year 1939
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^15 G/T Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 15g/mt
  • Year 1945
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^ 2% Cu
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Ore Copper Copper 2wt-pct

Reference information

Bibliographic references

  • Deposit

    SERPLAC, 1981, INVENTARIO DE LOS RECURSOS MINERALES DE LA IV REGION: SANTIAGO (28 VOLS.).

  • Deposit

    ENAMI, 1939, #4000.

  • Other Database

    CIMRI

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.