Juana O Vaquillas

Past 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. Controls for ore emplacement
  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 10058058
MRDS ID TC03806
Record type Site
Current site name Juana O Vaquillas

Geographic coordinates

Geographic coordinates: -69.30284, -25.38416 (WGS84)
Elevation 3260

Site location context

Political divisions (FIPS codes)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country
Chile

Commodities

Commodity Importance
Silver Primary
Lead Primary
Zinc Critical Tertiary
Copper Tertiary

Materials information

Materials Type of material
Argentite Ore
Chalcopyrite Ore
Chrysocolla Ore
Covellite Ore
Galena Ore
Proustite Ore
Pyrargyrite Ore
Sphalerite Ore
Barite Gangue
Hematite Gangue
Limonite Gangue
Magnetite Gangue
Pyrite Gangue

Alteration

  • (Local) Silicic, Argillic, Phyllic, Propylitic

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
    Stratigraphic age (youngest) Early Cretaceous
    Stratigraphic age (youngest) Early Cretaceous
    Stratigraphic age (youngest) Early Cretaceous
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Santa Ana Formation
    Rock description Santa Ana Formation
  • 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) -69.30284, -25.38416

Economic information

Ore body information

  • Strike 0-N40W; N80E; N40W
    Dip 50W; 90; 55NE
    Length 700M
    Width 30M
  • Strike 0-N40W; N80E; N40W
    Dip 50W; 90; 55NE
  • Strike 0-N40W; N80E; N40W
    Dip 50W; 90; 55NE

Controls for ore emplacement

  • Fault

Economic information about the deposit and operations

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

Mining district

District name Sierra Vaquillas Altas

Production statistics

  • Year 1982
    Period To 1982
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^2000-3000 G/T Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Silver Silver 2500g/mt

Workings at the site

  • Type of workings Surface/Underground
    Area 20HA
    Overall depth 100M
    Overall length 914.4M
    Overall width 200M

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    IIG, 1976, INEDITO #1799.

  • Deposit

    LLAUMET, C., 1983, LA MINERIA DE LA PLATA: REV. MINERALES, P. 38.

  • Deposit

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

  • Deposit

    ENAMI, 1969, #2436.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit LOWER GRADE MINERALIZATION IN ADJACENT BRECCIAS IN STOCKWORKS AND DISSEMINATED.

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.