Los Amigos

Past Producer in Chile with commodities Lead, Zinc, Silver
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. Economic information about the deposit and operations
  11. Mining district
  12. Reserves and resources
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10057885
MRDS ID TC03569
Record type Site
Current site name Los Amigos

Geographic coordinates

Geographic coordinates: -69.04118, -23.1692 (WGS84)
Elevation 2900

Site location context

Political divisions (FIPS codes)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country
Chile

Commodities

Commodity Importance
Lead Primary
Zinc Critical Primary
Silver Primary

Materials information

Materials Type of material
Galena Ore
Sphalerite Ore
Calcite Gangue
Limonite Gangue

Analytical data

Result CISTERNAS SHAFT - 0.7-15% PB, 2-13.1% ZN, 0-65 G/T AG. VALENZUELA SHAFT - 17.5-26.8% PB, 7.7-14.1% ZN, 59-84 G/T AG.

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) -69.04118, -23.1692

Economic information

Ore body information

  • Strike 0; NW
    Dip 90; 90
    Length 300M
    Width 1M
  • Strike 0; NW
    Dip 90; 90

Economic information about the deposit and operations

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

Mining district

District name Caracoles

Reserves and resources

  • Type In-situ
    Estimate year 1941
    Total resources 15000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 12 wt-pct Lead Major 1941
    Zinc Zn 9 wt-pct Zinc Major 1941

Workings at the site

  • Type of workings Surface/Underground
    Area 18HA
    Overall depth 4M
    Overall length 548.64M
    Overall width 300M

Comments on development

  • ECON.COM: PROSPECTIVE

Reference information

Bibliographic references

  • Deposit

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

  • Other Database

    CIMRI

  • Reserve-Resource

    BORIC, ET AL., 1941.

General comments

Subject category Comment text
Deposit ENTRY #2 IS 120M LONG. BEST MINERALIZATION AT VEIN INTERSECTIONS.

Reporter information

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

Beyond USGS

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