Coquimbana

Past Producer in Chile with commodity Manganese
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. Reserves and resources
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10104395
MRDS ID TC03082
Record type Site
Current site name Coquimbana
Alternate or previous names Alrededores

Geographic coordinates

Geographic coordinates: -70.86287, -28.36914 (WGS84)
Elevation 620

Site location context

Political divisions (FIPS codes)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country
Chile

Commodities

Commodity Importance
Manganese Critical Primary

Materials information

Materials Type of material
Braunite Ore
Psilomelane Ore
Hematite Gangue
Jasper Gangue
Limonite Gangue

Analytical data

Result TO 85M DEOTH: 45-47% MN TO 130M DEPTH: 49-51% MN

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Bandurrias Formation
    Rock description Bandurias Formation
    Stratigraphic age (youngest) Early Cretaceous
    Stratigraphic age (youngest) Early Cretaceous
    Stratigraphic age (youngest) Early Cretaceous
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -70.86287, -28.36914

Economic information

Ore body information

  • Strike N30E
    Dip 70NW-90

Economic information about the deposit and operations

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

Mining district

District name Picanitas

Reserves and resources

  • Type In-situ
    Estimate year 1941
    Total resources 100000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Manganese Mn 35 wt-pct Manganese Major 1941

Reference information

Bibliographic references

  • Deposit

    RUIZ, C. Y PEEBLES, F., 1988, YACIMIENTOS METALIFEROS DE CHILE: SANTIAGO, 334 P.

  • Deposit

    BEHNCKE, R., 1944, ESTUDIO DE LOS YACIMIENTOS DE MN DE CARRIZAL: MEMORIA, UNIVERSIDAD DE CHILE, SANTIAGO.

  • Deposit

    DIAZ, ET AL., 1980, MAPA METALOGENICO PRONOSTICO DE LA III REGION: CORPORACION DE FOMENTO DE LA PRODUCCION, SANTIAGO (5 VOLS.).

  • Other Database

    CIMRI

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1990 Williams, William C. University of Arizona

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.