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  3. Mineral Resource Data System (MRDS)

Malvina

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. Alteration
  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 10104430
MRDS ID TC03280
Record type Site
Current site name Malvina

Geographic coordinates

Geographic coordinates: -70.37955, -23.3442 (WGS84)
Elevation 350

Site location context

Political divisions (FIPS codes)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country
Chile

Comments on the location information

  • FRUTOS & PINCHEIRA (1986) LOCATION AT 23-22-00S AND 070-23-00W.

Commodities

Commodity Importance
Copper Primary

Alteration

  • (Local) Silicic, Propylitic

Analytical data

Result 0.9% 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) -70.37955, -23.3442
ListMap

Economic information

Ore body information

  • Strike N65E; N75W
    Dip 56SE; 56SW
    Length 100M
    Width 2M
  • Strike N65E; N75W
    Dip 56SE; 56SW

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 El Morado

Workings at the site

  • Type of workings Surface/Underground
    Area 0.35HA
    Overall depth 12M
    Overall length 457.2M
    Overall width 7M

Comments on development

  • ECON.COM: NOT PROSPECTIVE

Reference information

Bibliographic references

  • Deposit

    FRUTOS, J. AND PINCHEIRA, M., 1986, 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., AND MAKSAEV, V., 1984, COMPLEMENTO MAPA METALOGENICO, II REGION: GERENCIA DE DESAROLLO, SANTIAGO, (12 VOLS.).

  • Deposit

    ENAMI, 1961, #22242.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit MINERALIZATION IN FRACTURES

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