La Escondida

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. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10104658
MRDS ID TC04824
Record type Site
Current site name La Escondida

Geographic coordinates

Geographic coordinates: -71.09148, -29.84302 (WGS84)
Elevation 406

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
Manganite Ore
Pyrolusite Ore
Calcite Gangue
Piedmontite Gangue

Analytical data

Result 46% MN
Result 0.13% CU

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Arqueros Formation
    Rock description Arqueros Formation
    Stratigraphic age (youngest) Early Cretaceous
    Stratigraphic age (youngest) Early Cretaceous

Nearby scientific data

(1) -71.09148, -29.84302

Economic information

Ore body information

  • Strike 0
    Dip 17E
    Thickness 1.5M
    Length 300M

Economic information about the deposit and operations

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

Mining district

District name Brillador

Workings at the site

  • Type of workings Surface
    Overall depth 36M

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit FIVE ORE BODIES. OCCURS IN LOWEST CYCLE; HIGHEST GRADE HAND-PICKED ORE IS 51%, LOWEST 31% M.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1991 Williams, William C. University of Arizona
Updater 01-JAN-1994 Page, Norman J. U.S. Geological Survey

Beyond USGS

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