Andacollo

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 10057767
MRDS ID TC03416
Record type Site
Current site name Andacollo

Geographic coordinates

Geographic coordinates: -70.25622, -22.70087 (WGS84)
Elevation 300

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
Calcite Gangue
Hematite Gangue
Limonite Gangue

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) -70.25622, -22.70087

Economic information

Geologic structures

Type of structure Local
Structure description Post-Mineral Fault At N10e, 35nw

Ore body information

  • General form TABULAR
    Strike N5-10E
    Dip 5-37E
    Thickness 2M

Controls for ore emplacement

  • Bedding

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 Michilla

Workings at the site

  • Type of workings Underground
    Overall length 82.3M

Comments on the workings information

  • SAHFT, ADIT; STOPED

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    IIG, 1971, INEDITO #25.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit DISCORDANT

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.