1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

San Francisco

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. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10104476
MRDS ID TC03566
Record type Site
Current site name San Francisco

Geographic coordinates

Geographic coordinates: -69.93454, -23.15086 (WGS84)
Elevation 1310

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
Malachite Ore
Calcite Gangue
Limonite Gangue

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) -69.93454, -23.15086
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Bedding - N85w, 20n

Ore body information

  • Strike N65E; N10W; N75-80W; N85W
    Dip 90; 80E; 60N; 15-30N
    Length 30M
    Width 1.5M
  • Strike N65E; N10W; N75-80W; N85W
    Dip 90; 80E; 60N; 15-30N
  • Strike N65E; N10W; N75-80W; N85W
    Dip 90; 80E; 60N; 15-30N
  • Strike N65E; N10W; N75-80W; N85W
    Dip 90; 80E; 60N; 15-30N

Economic information about the deposit and operations

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

Mining district

District name Sierra De Valenzuela

Comments on the reserve resource information

  • 2000T OF TAILINGS AT 4.84%.

Workings at the site

  • Type of workings Surface
    Overall depth 30M
    Overall length 13.72M

Comments on development

  • ECON.COM: NOT PROSPECTIVE

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, 1970, #22303.

  • Other Database

    CIMRI

  • Reserve-Resource

    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