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  3. Mineral Resource Data System (MRDS)

Pilar

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. 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 10058582
MRDS ID TC04868
Record type Site
Current site name Pilar

Geographic coordinates

Geographic coordinates: -70.50121, -25.62583 (WGS84)
Elevation 530

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
Calcite Gangue
Gypsum Gangue

Analytical data

Result 7.75% 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) -70.50121, -25.62583
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Economic information

Ore body information

  • Strike N15E; N75W; N30E
    Dip 85W; 85SW; SW
    Length 60M
    Width 0.9M
  • Strike N15E; N75W; N30E
    Dip 85W; 85SW; SW
  • Strike N15E; N75W; N30E
    Dip 85W; 85SW; SW

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 Esperanza

Workings at the site

  • Type of workings Surface/Underground
    Area 0.012HA
    Overall depth 50M
    Overall length 54.86M
    Overall width 2M

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    ENAMI, 1968, #2441.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit MINERALIZATION IN VESICLES AND FRACTURES

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1991 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