El Cajon

Past Producer in Mendoza, Argentina with commodities Lead, Zinc, 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. Reserves and resources
  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 10004982
MRDS ID AR11183
Record type Site
Current site name El Cajon

Geographic coordinates

Geographic coordinates: -69.94948, -35.38081 (WGS84)
Elevation 2400
Location accuracy 2000(meters)
Relative position 33 KM WEST-NORTHWEST OF MALARGUE.

Site location context

Political divisions (FIPS codes)

Mendoza(province)

Argentina(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Argentina Mendoza

Comments on the location information

  • 5 KM WEST OF JUNCTION OF A VEGAS PELADAS AND A. DE LAS MINAS.

Commodities

Commodity Importance
Lead Primary
Zinc Critical Primary
Silver Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Ore
Calcite Gangue
Quartz Gangue

Alteration

  • (Local) Silicification Near Dacite.

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Puchenque Formation
    Rock description Puchenque Formation

Nearby scientific data

(1) -69.94948, -35.38081

Economic information

Geologic structures

Type of structure Regional
Structure description Faults- Major Ne.
Type of structure Local
Structure description Bedding Nw/ 20 Ne

Ore body information

  • Strike NE
    Dip 68 SE
    Length 250M
    Width 1.4M

Controls for ore emplacement

  • Minor Nne And Ene Faults.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1947
Production years 1949-1959

Comments on the production information

  • PRODUCTION FIGURE FOR ALL MENDOZA, BUT PRODUCTON WAS PRINCIPALLY FROM THIS MINE.

Reserves and resources

  • Type In-situ
    Estimate year 1954
    Total resources 22300000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 20 wt-pct Lead Major 1954
    Zinc Zn 10 wt-pct Zinc Major 1954
    Silver Ag 438 g/mt Silver Major 1954

Workings at the site

  • Type of workings Unknown
    Length 575M

Comments on development

  • ECON.COM: FLOTATION PLANT.

Reference information

Bibliographic references

  • Deposit

    ANGELELLI, V., 1984, YACIMIENTOS METALIFEROS DE LA REPUBLICA ARGENTINA: LA PLATA, PROVINCIA DE BUENOS AIRES, COMISION DE INVESTIGACIONES CIENTIFICAS, VOL. 2, P. 504-505

  • Other Database

    CIMRI

  • Production

    ANGELELLI, 1984, P. 505.

General comments

Subject category Comment text
Deposit THREE VEINS, ONE PRINCIPAL AND TWO MINOR.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1993 Venable, Margaret U.S. Geological Survey

Beyond USGS

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