Escondida

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. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10057705
MRDS ID TC03337
Record type Site
Current site name Escondida
Alternate or previous names Hornito

Geographic coordinates

Geographic coordinates: -70.23622, -22.97421 (WGS84)
Elevation 1130

Site location context

Political divisions (FIPS codes)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country
Chile

Commodities

Commodity Importance
Copper Primary

Comments on the commodity information

  • TAILINGS SAMPLE

Materials information

Materials Type of material
Atacamite Ore
Chrysocolla Ore
Malachite Ore
Gypsum Gangue
Hematite Gangue
Quartz Gangue

Analytical data

Result 1.0% CU

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) -70.23622, -22.97421

Economic information

Ore body information

  • Strike N10-15E
    Dip 70-80W
    Length 100M
    Width 3M

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 Los Hornos-Chacaya

Workings at the site

  • Type of workings Underground
    Area 0.05HA
    Overall depth 20M
    Overall length 91.44M
    Overall width 5M

Comments on the workings information

  • SHAFT; STOPED TO SURFACE

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    IIG, 1971, INEDITO #1602.

  • Other Database

    CIMRI

  • Reserve-Resource

    BORIC, ET AL., 1984.

General comments

Subject category Comment text
Deposit MINERALIZATION IN FRACTURES

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.