Conchi Viejo

Past Producer in Chile with commodities Copper, Molybdenum
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. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Production statistics
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10104462
MRDS ID TC03522
Record type Site
Current site name Conchi Viejo
Alternate or previous names Anita

Geographic coordinates

Geographic coordinates: -68.73118, -21.95588 (WGS84)
Elevation 3550

Site location context

Political divisions (FIPS codes)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country
Chile

Comments on the location information

  • FRUTOS & PINCHEIRA (1986) LOCATION AT 21-57-48S AND 068-45-18W.

Commodities

Commodity Importance
Copper Primary
Molybdenum Secondary

Materials information

Materials Type of material
Atacamite Ore
Brochantite Ore
Chalcocite Ore
Chalcopyrite Ore
Chrysocolla Ore
Malachite Ore
Molybdenite Ore
Limonite Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Sericitic, Argillic, Propylitic, Silicic

Analytical data

Result 1.7% CU BETWEEN 58.5M AND 94.5M DEPTH (DRILL HOLE)

Host and associated rocks

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

Nearby scientific data

(1) -68.73118, -21.95588

Economic information

Geologic structures

Type of structure Local
Structure description Faults At N50-80w, 55-70ne (Mineralized) And N85w/75s.

Ore body information

  • Length 400M
    Width 400M
    Depth to bottom 50M

Comments on the geologic information

  • ARGILLIC ALTERATION AT CORE AND PROPYLITIC ALTERATION AT PERIPHERY OF DEPOSIT.

Economic information about the deposit and operations

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

Mining district

District name Conchi Viejo

Production statistics

  • Year 1964
    Period 1963-64
    Material CU
    Accuracy Accurate
    Description Cp_Grade: ^2.9-3.2%
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Copper Copper 3wt-pct

Comments on the reserve resource information

  • 40,000T OF TAILINGS AT 4.0%

Workings at the site

  • Type of workings Surface/Underground
    Area 13.2HA
    Overall depth 85M
    Overall length 365.76M
    Overall width 330M

Comments on development

  • ITT DRILLED HOLES IN 1968

Reference information

Bibliographic references

  • 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.

  • Deposit

    RUIZ, C. AND PEEBLES, F., 1988, YACIMIENTOS METALIFEROS DE CHILE: SANTIAGO, 334 P.

  • Deposit

    BORIC, R., DIAZ, F., MAKSAEV, V., 1984, COMPLEMENTO MAPA METALOGENICO, II REGION: GERENCIA DE DESAROLLOA, SANTIAGO (12 VOLS.).

  • Deposit

    AMBRUS, J., 1977, GEOLOGY OF THE EL ABRA PORPHYRY COPPER DEPOSIT, CHILE: ECON. GEOL., V. 72, P. 1062-1085.

  • Deposit

    KUNTZ, J., 1928, MONOGRAFIA MINERA DE LA PROVINCIA DE ANTOPFAGASTA: SONAMI, SANTIAGO, 77 P.

  • Deposit

    ENAMI, 1978, #2126.

  • Other Database

    CIMRI

  • Production

    BORIC, ET AL., 1984.

General comments

Subject category Comment text
Deposit OXIDIZED TO 30M

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1989 Williams, William C. University of Arizona

Beyond USGS

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