Manto Libertad

Past Producer in Chile with commodity Copper
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. Geologic structures
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  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 10057941
MRDS ID TC03648
Record type Site
Current site name Manto Libertad

Geographic coordinates

Geographic coordinates: -70.17788, -22.15088 (WGS84)
Elevation 850

Site location context

Political divisions (FIPS codes)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country
Chile

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Atacamite Ore
Chrysocolla Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name La Negra Formation
    Rock description La Negra Formation
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -70.17788, -22.15088

Economic information

Geologic structures

Type of structure Local
Structure description Fault At N65w, 70sw

Ore body information

  • General form IRREGULAR
    Strike N30E
    Dip 20SE

Controls for ore emplacement

  • Bedding/Fault

Comments on the geologic information

  • PREHNITE-PUMPELLYITE METAMORPHISM

Economic information about the deposit and operations

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

Mining district

District name Punta Blanca-Cerro Tres Puntas

Workings at the site

  • Type of workings Surface/Underground
    Area 0.1HA
    Overall depth 6M
    Overall length 45.72M
    Overall width 20M

Comments on development

  • ECON.COM: LIMITED POSSIBILITIES

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    ENAMI, 1966, #2053R.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit MINERLAIZATION ERRATIC; IRREGULAR ALONG BEDDING AND IN FAULT

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.