La Negra

Past Producer in Chile with commodities Lead, Silver, Zinc, Copper, Gold
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. Production statistics
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10059569
MRDS ID TC06212
Record type Site
Current site name La Negra

Geographic coordinates

Geographic coordinates: -70.85592, -31.05413 (WGS84)
Elevation 1580

Site location context

Political divisions (FIPS codes)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country
Chile

Commodities

Commodity Importance
Lead Primary
Silver Primary
Zinc Critical Secondary
Copper Secondary
Gold Secondary

Materials information

Materials Type of material
Bornite Ore
Chalcopyrite Ore
Galena Ore
Sphalerite Ore

Analytical data

Result 12% PB
Result 122 /GT AG
Result 3-8% ZN
Result 0.8% CU
Result 0.6 G/T AU

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Stratigraphic age (youngest) Early Cretaceous
    Stratigraphic age (youngest) Early Cretaceous
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -70.85592, -31.05413

Economic information

Ore body information

  • Strike N24E
    Dip 70NW
    Length 150M
    Width 2.5M

Economic information about the deposit and operations

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

Mining district

District name San Lorenzo

Production statistics

  • Year 1947
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^23.8% Pb
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Lead Lead 24wt-pct

Comments on the production information

  • MINING IN 1980 BUT NO PRODUCTION FIGURES AVAILABLE.

Reference information

Bibliographic references

  • Deposit

    SERPLAC, 1981, INVENTARIO DE LOS RECURSOS MINERALES DE LA IV REGION: SANTIAGO (28 VOLS.).

  • Deposit

    KAMONO, H. Y BORIC, R., 1982, INVEMTARIO POLIMETALICO U ESTUDIO GEOLOGICO DEL DISTRITO MINERO TALCUNA: CORPORACION DE FOMENTO DE LA PRODUCCION, SANTIAGO.

  • Deposit

    ENAMI, 1948, #54634.

  • Other Database

    CIMRI

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1991 Williams, William C. University of Arizona

Beyond USGS

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