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  3. Mineral Resource Data System (MRDS)

Lealtad

Past Producer in Chile with commodity 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. 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. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10057820
MRDS ID TC03480
Record type Site
Current site name Lealtad

Geographic coordinates

Geographic coordinates: -70.15455, -22.43422 (WGS84)

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
Malachite Ore
Tenorite Ore
Calcite Gangue
Hematite Gangue
Limonite Gangue
Quartz Gangue

Alteration

  • (Local) Argillic, Propylitic

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) -70.15455, -22.43422
ListMap

Economic information

Ore body information

  • Strike N80E-90; N75W
    Dip 65N; 60-75N
    Length 270M
    Width 6M
  • Strike N80E-90; N75W
    Dip 65N; 60-75N

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 Cerro Lealtad

Comments on the reserve resource information

  • 17,300T OF TAILINGS AT 3.6% (3.4% SOLUBLE)

Workings at the site

  • Type of workings Underground
    Overall depth 60M

Comments on development

  • ECON.COM: PROSPECTIVE

Reference information

Bibliographic references

  • Deposit

    FRUTOS, J. AND PINCHEIRA, M., 1987, 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

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

  • Deposit

    ENAMI, 1966, #2053R.

  • Other Database

    CIMRI

  • Reserve-Resource

    ENAMI

General comments

Subject category Comment text
Deposit MINERALIZATION MAINLY IN TWO, HIGH-GRADE LENSES OF PRINCIPAL VEIN OXIDIZED TO 60M

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.

Maps centered on this site