1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Esperanza

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

Geologic information

Identification information

Deposit ID 10059991
MRDS ID TC06792
Record type Site
Current site name Esperanza

Geographic coordinates

Geographic coordinates: -70.35647, -27.51691 (WGS84)
Elevation 950

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

Materials information

Materials Type of material
Gold Ore

Alteration

  • (Local) Phyllic, Propylitic, Silicic

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Early Cretaceous
    Stratigraphic age (youngest) Early Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -70.35647, -27.51691
ListMap

Economic information

Ore body information

  • Strike N30W
    Dip 50-60SW
    Length 150M
    Width 0.8M

Comments on the geologic information

  • NEAR CONTACT WITH ANDESITE

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Ojancos Nuevos

Production statistics

  • Year 1971
    Material AU
    Accuracy Accurate
    Description Ap_Grade: ^30 G/T Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Gold Gold 30g/mt
  • Year 1980
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^15 G/T Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Gold Gold 15g/mt

Workings at the site

  • Type of workings Underground
    Overall depth 100M

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

    SALINAS, M., 1971, IIG (INEDITO).

  • Other Database

    CIMRI

Reporter information

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

Beyond USGS

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

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