1. Mineral Resources
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  3. Mineral Resource Data System (MRDS)

Guanchaca

Past Producer in Chile with commodities Silver, Lead, Zinc, Copper
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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. Reserves and resources
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10104417
MRDS ID TC03195
Record type Site
Current site name Guanchaca
Alternate or previous names Mercedes, San Antonio, Despreciada, Descubridora, Nueva Fortuna

Geographic coordinates

Geographic coordinates: -68.79451, -21.75423 (WGS84)
Elevation 3630

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 Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Covellite Ore
Galena Ore
Sphalerite Ore
Barite Gangue
Calcite Gangue
Limonite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Icanche Formation
    Rock description Icanche Formation
    Stratigraphic age (youngest) Eocene
    Stratigraphic age (youngest) Eocene
    Stratigraphic age (youngest) Eocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -68.79451, -21.75423
ListMap

Economic information

Ore body information

  • Strike 90; N60W; N60W; N70E; 90
    Dip 90; 90; 90; 90; 90
    Length 650M
    Width 2M
  • Strike 90; N60W; N60W; N70E; 90
    Dip 90; 90; 90; 90; 90
  • Strike 90; N60W; N60W; N70E; 90
    Dip 90; 90; 90; 90; 90
  • Strike 90; N60W; N60W; N70E; 90
    Dip 90; 90; 90; 90; 90
  • Strike 90; N60W; N60W; N70E; 90
    Dip 90; 90; 90; 90; 90

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 Huanchaquita

Reserves and resources

  • Type In-situ
    Estimate year 1931
    Total resources 172200000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 435 g/mt Silver Major 1931
    Lead Pb 8.6 wt-pct Lead Minor 1931
    Zinc Zn 6.1 wt-pct Zinc Minor 1931

Workings at the site

  • Type of workings Underground
    Area 10HA
    Overall depth 110M
    Overall length 914.4M
    Overall width 100M

Comments on the workings information

  • SHAFT, ADIT

Comments on development

  • MAPPED AND SAMPLED BY CHILE EXPLORATION COMPANY IN 1930'S

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    MARCH, W.S., 1931, ARCHIVO SERNAGEOMIN #3453.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit OXIDIZED TO 30M; SUPERGENE ENRICHED TO 100M.

Reporter information

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

Beyond USGS

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

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