25 De Mayo

Past Producer in San Juan, Argentina with commodities Lead, Zinc, Silver, Copper
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. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10005526
MRDS ID AR16064
Record type Site
Current site name 25 De Mayo

Geographic coordinates

Geographic coordinates: -69.6995, -31.04746 (WGS84)
Elevation 2125

Site location context

Political divisions (FIPS codes)

San Juan(province)

Argentina(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Argentina San Juan

Comments on the location information

  • SE END OF CORDILLERA LAS LENAS, ALONG QUEBRADA SECA, 20 KM SSW OF CU-BI MINE "SAN FRANCISCO DE LOS ANDES"

Commodities

Commodity Importance
Lead Primary
Zinc Critical Primary
Silver Primary
Copper Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Covellite Ore
Galena Ore
Limonite Ore
Malachite Ore
Pyrite Ore
Pyrrhotite Ore
Sphalerite Ore
Calcite Gangue
Quartz Gangue
Rutile Gangue
Specularite Gangue
Tourmaline Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Formation Agua Negro;Leoncito Batholith
    Rock description Formation Agua Negro;Leoncito Batholith

Nearby scientific data

(1) -69.6995, -31.04746

Economic information

Ore body information

  • Strike E-W TO N70W
    Dip 50-70N
    Length 600M
    Width 2.5M

Controls for ore emplacement

  • Fault

Comments on the geologic information

  • 3 STAGES OF MINERALIZATION: (1) QUARTZ-TOURMALINE-RUTILE? & SPECULARITE; (2) PYRITE, SPHALERITE, PYRRHOTITE, GALENA, QUARTZ; (3) CALCITE

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No

Reference information

Bibliographic references

  • Deposit

    ANGEGILLI, V., 1984, YACIMIENTOS METALIFEROS DE LA REPUBLICA ARGENTINA: LA PLATA, PROVINCIA DE BUENOS AIRES, COMISION DE INVESTIGACIONES CIENTIFICAS, VOL. II, PP. 532-533

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit IRREGULAR MINERALIZATION. ONE ORE SHOOT AVERAGED 28% PB, 10% ZN, & 800 G/T AG

Reporter information

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

Beyond USGS

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