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  3. Mineral Resource Data System (MRDS)

Escondida-Porfinda

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. Reserves and resources
  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 10057875
MRDS ID TC03555
Record type Site
Current site name Escondida-Porfinda

Geographic coordinates

Geographic coordinates: -70.21454, -23.19753 (WGS84)
Elevation 1120

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
Chalcopyrite Ore
Chrysocolla Ore
Hematite Gangue
Limonite Gangue
Quartz Gangue
Tourmaline Gangue

Alteration

  • (Local) Argillic, Kaolinitic

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Monzonite
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic
  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Monzonite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -70.21454, -23.19753
ListMap

Economic information

Ore body information

  • Strike 0-N15W; N30E
    Dip 24-34E; NW
    Length 35M
    Width 0.2M
  • Strike 0-N15W; N30E
    Dip 24-34E; NW
    Length 15M
    Width 0.5M

Economic information about the deposit and operations

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

Mining district

District name Naguayan

Reserves and resources

  • Type In-situ
    Estimate year 1966
    Total resources 100000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 6 wt-pct Copper Major 1966

Comments on the reserve resource information

  • 3000T OF TAILINGS AT 1.5%.

Workings at the site

  • Type of workings Surface
    Overall depth 30M
    Overall length 32M

Comments on development

  • ECON.COM: NOT PROSPECTIVE

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, 1966, #22218.

  • Other Database

    CIMRI

  • Reserve-Resource

    ENAMI, 1966.

General comments

Subject category Comment text
Deposit PORFINDA IS 200M SOUTH OF ESCONDIDA

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.

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