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  3. Mineral Resource Data System (MRDS)

Marietta

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. 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. Reporter information

Geologic information

Identification information

Deposit ID 10057716
MRDS ID TC03351
Record type Site
Current site name Marietta
Alternate or previous names El Tesoro

Geographic coordinates

Geographic coordinates: -69.06285, -22.94253 (WGS84)
Elevation 2350

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
Gypsum Gangue

Alteration

  • (Local) Argillic, Silicic

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Cinchado Formation
    Rock description Cinchado Formation
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -69.06285, -22.94253
ListMap

Economic information

Ore body information

  • Strike N40E
    Dip 90
    Length 100M
    Width 2M

Controls for ore emplacement

  • Faults

Economic information about the deposit and operations

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

Mining district

District name El Tesoro

Workings at the site

  • Type of workings Underground
    Area 10HA
    Overall depth 30M
    Overall length 365.76M
    Overall width 250M

Comments on the workings information

  • SHAFT, INCLINE; STOPED TO SURFACE

Reference information

Comments on the other database information

  • RECORD NUMBER TC03358 IS A POTENTIAL DUPLICATE OF THIS RECORD

Bibliographic references

  • Deposit

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

  • Deposit

    MONTANO, M., 1976, ESTUDIO GEOLOGIA DE LA ZONA DE CARACOLES Y AREAS VECINAS, CON ENFASIS EN EL SISTEMA JURASICOS, PROVINCIA DE ANTOFAGASTA, II REGION: TESIS DOCTORADO, UNIVERSIDAD DE CHILE, SANTIAGO.

  • Deposit

    IIG, 1976, #940.

  • Other Database

    CIMRI

  • Production

    BORIC, ET AL., 1984.

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.

Maps centered on this site