La Princesa

Past Producer in Chile with commodities Copper, Silver
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. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10057769
MRDS ID TC03418
Record type Site
Current site name La Princesa

Geographic coordinates

Geographic coordinates: -69.20285, -22.68254 (WGS84)
Elevation 2000

Site location context

Political divisions (FIPS codes)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country
Chile

Commodities

Commodity Importance
Copper Primary
Silver Primary

Materials information

Materials Type of material
Chrysocolla Ore
Malachite Ore
Calcite Gangue
Limonite Gangue

Alteration

  • (Local) Silicic

Analytical data

Result UPPER BED - 3.0% CU, 1.7 G/T AG LOWER BED - 2.3% CU, 0.9 G/T AG

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Stratigraphic age (youngest) Late Jurassic

Nearby scientific data

(1) -69.20285, -22.68254

Economic information

Geologic structures

Type of structure Local
Structure description Bedding - N50e, 45nw

Ore body information

  • Strike N50E
    Dip 45NW
    Thickness 15M
    Length 150M
    Width 2M

Controls for ore emplacement

  • Bedding (Stratiform)

Economic information about the deposit and operations

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

Mining district

District name Sw Calama

Workings at the site

  • Type of workings Underground
    Area 0.06HA
    Overall depth 15M
    Overall length 137.16M
    Overall width 4M

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    ENAMI, 1964, #22292.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit MINERALIZATION CONFINED TO THIN SANDSTONE LAYERS (<1.2M THICK) WHICH ARE INTERCALATED WITH BLACK SILTSTONES. 400M TO NORTHEAST, COPPER OXIDE SHOWS, 0.2-0.3M THICK, TRENDING N40E, 60-80NW.

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.