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  3. Mineral Resource Data System (MRDS)

Tres Gracias

Past Producer in Chile with commodities Copper, Iron
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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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Controls for ore emplacement
  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 10058209
MRDS ID TC04088
Record type Site
Current site name Tres Gracias

Geographic coordinates

Geographic coordinates: -70.05786, -26.38915 (WGS84)
Elevation 800

Site location context

Political divisions (FIPS codes)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country
Chile

Commodities

Commodity Importance
Copper Primary
Iron Primary

Materials information

Materials Type of material
Atacamite Ore
Chrysocolla Ore
Cuprite Ore
Hematite Ore
Malachite Ore

Analytical data

Result 6,55% CU
Result 54.86% FE
Result 0.74 G/T AU

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) -70.05786, -26.38915
ListMap

Economic information

Ore body information

  • General form IRREGULAR
    Strike N50W
    Dip 30NE
    Thickness 6M
    Length 400M

Controls for ore emplacement

  • Fault

Economic information about the deposit and operations

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

Mining district

District name Diego De Almagro

Production statistics

  • Year 1980
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^5-16% Cu
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Copper Copper 11wt-pct

Comments on the production information

  • ORE MINED AS IRON FLUX FOR COPPER SMELTING

Workings at the site

  • Type of workings Surface
    Overall depth 10M

Reference information

Bibliographic references

  • Deposit

    LITTLE, J., 1926, GEOLOGY AND METAL DEPOSITS OF CHILE: THE BRANWELL CO., NEW YORK, P. 87.

  • Deposit

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

  • Deposit

    FRUTOS, J. AND PINCHEIRA, M., 1986, FICHAS METALOGENICAS DE YACIMIENTOS MINERALES METALICOS CHILENOS, IN FRUTOS, J., OYARZUN, J., AND PINCHEIRA, M., EDS., GEOLOGIA Y RECURSOS MINERALES CHILENOS: UNIVERSIDAD DE CONCEPCION, CONCEPCION, P. 841-888.

  • Other Database

    CIMRI

Reporter information

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

Beyond USGS

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

Maps centered on this site