La Isla

Producer in Chile with commodities Silver, Lead, Zinc, Copper
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. Ownership information
  14. Reserves and resources
  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 10057690
MRDS ID TC03319
Record type Site
Current site name La Isla

Geographic coordinates

Geographic coordinates: -69.04951, -23.0642 (WGS84)
Elevation 2550

Site location context

Political divisions (FIPS codes)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country
Chile

Commodities

Commodity Importance
Silver Primary
Lead Secondary
Zinc Critical Secondary
Copper Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Polybasite Ore
Proustite Ore
Silver Ore
Sphalerite Ore
Barite Gangue
Calcite Gangue
Hematite Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Argillic, Silicic

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Caracoles Group
    Rock description Caracoles Group
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Middle Jurassic

Nearby scientific data

(1) -69.04951, -23.0642

Economic information

Ore body information

  • Strike N40-50W
    Dip 90
    Length 1000M
    Width 4M

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Caracoles

Ownership information

  • Type Operator
    Owner Pirquineros
  • Type Owner
    Owner Compania Minera Flomax

Reserves and resources

  • Type Tailings
    Estimate year 1935
    Total resources 100000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 150 g/mt Silver Major 1935

Workings at the site

  • Type of workings Underground
    Area 25HA
    Overall depth 150M
    Overall length 457.2M
    Overall width 500M

Comments on the workings information

  • SHAFT, INCLINE; STOPED TO SURFACE

Reference information

Bibliographic references

  • Deposit

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

  • 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

    CABELLO, J., 1978, EXPLORACION GEOQUIMICA Y MAGNETOMETRIA EN EL DISTRITO ARGENTIFERO DE CARACOLES: MEMORIA DEPARTAMENTO GEOLOGIA, UNIVERSIDAD DE CHILE.

  • Deposit

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

  • Other Database

    CIMRI

  • Production

    BORIC, ET AL., 1984.

General comments

Subject category Comment text
Deposit OXIDIZED TO 80M, SUPERGENE ENRICHMENT TO 150M. <500T SILVER

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.