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Leoncito Cu Prospect

Prospect in San Juan, Argentina with commodities Copper, Molybdenum
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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. 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. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10068827
MRDS ID W002085
Record type Site
Current site name Leoncito Cu Prospect

Geographic coordinates

Geographic coordinates: -69.58282, -32.03079 (WGS84)
Elevation 3000
Relative position 35 KM SSW OF BARREAL

Site location context

Political divisions (FIPS codes)

San Juan(province)

Argentina(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Argentina San Juan

Commodities

Commodity Importance
Copper Tertiary
Molybdenum Tertiary

Materials information

Materials Type of material
Malachite Ore
Limonite Gangue

Alteration

  • (Local) Intense Fracturing And Hydrothermal Alteration. Kaolinization, Sericitization, Silicification

Analytical data

Result DRILL-HOLE DATA IS: DDH 1, CU 10-100 PPM, MO, 1-10 PPM
Result DDH 2, CU, 50-200 PPM, MO, 10-20 PPM
Result DDH 3, CU, 40-1680 PPM, MO, 6-112 PPM. GEOCHEMICAL PROSPECTING SHOWED CU VALUES OF 200-4300 PPM AND MO VALUES OF 16-130 PPM

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Breccia Pipe;Andesite Dikes;Andesite Porphyry;Perm-Tri
    Rock description Breccia Pipe;Andesite Dikes;Andesite Porphyry;Perm-Tri
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -69.58282, -32.03079
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Series Of Fault Blocks, Descending East To West
Type of structure Local
Structure description Nnw-Trending Anticline, Subsidiary Folding On Limbs. 2 Sets Of Faults Strike Nnw And N-S. Intrusive Activity On Eastern Limb Of Anticline

Ore body information

  • General form IRREGULAR

Controls for ore emplacement

  • Associated With Intrusive

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Significant No
Discovery year 1966
Discoverer United Nations & Gov'T Of Argentina

Ownership information

  • Type Owner
    Owner Government Of Argentina

Reference information

Bibliographic references

  • Deposit

    UNITED NATIONS DEVELOPMENT PROGRAMME, 1970, INVESTIGATION OF PORPHYRY COPPER TYPE MINERALIZATION IN THE PROVINCES OF MENDOZA, NEUQUEN, AND SAN JUAN, ARGENTINA: NEW YORK UNITED NATIONS, P. 291-294

  • Deposit

    1966 DIREXPL UNITED NATIONS, GOV'T OF ARGENTINA

  • Deposit

    SEE UNDP, 1970, REF

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1973 Davidson, Claire B. U.S. Geological Survey

Beyond USGS

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

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