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San Santiago

Past Producer in La Rioja, Argentina with commodities Nickel, Cobalt, Uranium, Copper, Zinc, Lead, Iron, Sulfur
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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. Ownership information
  13. Production statistics
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10097641
MRDS ID AR10203
Record type Site
Current site name San Santiago
Alternate or previous names La Solitaria

Geographic coordinates

Geographic coordinates: -68.37364, -28.3869 (WGS84)
Elevation 2550
Relative position 16 KM SW OF LA CIENAGA; 35 KM N OF JAGUE

Site location context

Political divisions (FIPS codes)

La Rioja(province)

Argentina(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Argentina La Rioja

Comments on the location information

  • 5 KM W OF RIO POTRERO GRANDE, ON RIGHT SIDE OF QUEBRADA OF CUMICHANGO, IN THE BOLSON DE JAGUE NEAR RIO CUMICHANGO

Commodities

Commodity Importance
Nickel Critical Primary
Cobalt Critical Primary
Uranium Primary
Copper Secondary
Zinc Critical Secondary
Lead Secondary
Iron Tertiary
Sulfur Tertiary

Materials information

Materials Type of material
Annabergite Ore
Chalcopyrite Ore
Galena Ore
Limonite Ore
Niccolite Ore
Pitchblende Ore
Pyrite Ore
Sphalerite Ore
Uraninite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Espinal Formation
    Rock description Espinal Formation
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Schist > Mica Schist
  • Host or associated Host
    Rock type Metamorphic Rock > Amphibolite
  • Host or associated Host
    Rock type Plutonic Rock > Pegmatite

Nearby scientific data

(1) -68.37364, -28.3869
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Vein Cut By Ne-Sw And Nw-Se Faults Which Displace Vein A Few Dm To 3 M.

Ore body information

  • Strike N65E TOE-W
    Dip 55-65 NW
    Length 140M
    Width 0.8M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Significant No

Ownership information

  • Type Owner
    Owner Comision Nacional De Energia Atomica, Adela Marragi

Production statistics

  • Year 1952
    Material (1) ORE
    Accuracy Accurate
    Description Ap_Grade: ^17% Ni
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Nickel Nickel 17wt-pct

Comments on the production information

  • (1) METALLURGICAL SAMPLE WHICH YIELDED A FLOTATION CONCENTRATE CONTAINING 37% NI AND 1.1% U3O8.

Comments on the reserve resource information

  • SAMPLING: LABOR II (11 M LONG, 0.56 M WIDE); 0.16% U3O8, 0.46% NI; ( 0.24 M WIDTH) 0.66% U3O8, 13.74% NI. NODULE FROM LABOR III: 10.07% U3O8, 27.90% NI.

Comments on the workings information

  • FOUR OLD WORKINGS OVER 30 M VERTICAL INTERVAL. SUBSEQUENT WORK LIMITED TO 90 M OF DRIFTING IN EARLY 1950'S TO RECOVER A METALLURGICAL TEST SAMPLE. ADITS.

Comments on development

  • ECON.COM: WORKED AS EARLY AS THE MID-1800'S AS LA SOLITARIA MINE.

Reference information

Bibliographic references

  • Deposit

    MAPA MINERO DE LA PROVINCIA DE RIOJA 1966-1967, INSTITUTO NACIONAL DE GEOLOGIA Y MINERIA; SERVICIO DE ECONOMIA MINERIA, P. 385-386.

  • Deposit

    MAISONAVE, H. M., 1975, BOL. 162, DNMG.

  • Deposit

    ANGELELLI, V., 1984, YACIMIENTOS METALIFEROS DE LA REPUBLICA ARGENTINA: LA PLATA, PROVINCIA DE BUENOS AIRES, COMISION DE INVESTIGACIONES CIENTIFICAS.

  • Other Database

    CIMRI

  • Production

    (1) ANGELELLI (1984) P. 385.

General comments

Subject category Comment text
Deposit LENSES, SHOOTS, AND NODULES OF NICCOLITE AND URANINITE A FEW MM TO 10 M LONG. URANINITE OCCURS AS FILMS UP TO 3 MM THICK.
Deposit RECORD # AR10001 BY THIERNO SOW HAS BEEN INCORPORATED INTO THIS RECORD.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1993 Sow, Thierno U.S. Geological Survey

Beyond USGS

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

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