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Bolsita

Past Producer in La Rioja, Argentina with commodities Cobalt, Nickel, Gold, Silver
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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. Ore body information
  10. Economic information about the deposit and operations
  11. Ownership information
  12. Reserves and resources
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10004792
MRDS ID AR10213
Record type Site
Current site name Bolsita
Alternate or previous names King Tut, Reina Alejandria

Geographic coordinates

Geographic coordinates: -67.9364, -28.41246 (WGS84)
Relative position 30 KM SE OF LA CIENGA.

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

  • IN SIERRA DE FAMATINA, E OF RIO GRANDE DE VALLE HERMOSO.

Commodities

Commodity Importance
Cobalt Critical Primary
Nickel Critical Primary
Gold Primary
Silver Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Cobaltite Ore
Pyrite Ore
Pyrrhotite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Rock unit name Suri Formation
    Rock description Suri Formation
    Stratigraphic age (youngest) Middle Ordovician
    Stratigraphic age (youngest) Middle Ordovician

Nearby scientific data

(1) -67.9364, -28.41246
ListMap

Economic information

Ore body information

  • General form PINCH AND SWELL
    Strike N36W
    Dip 70-80NE
    Width 1.45M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No
Production years 1901-1902

Ownership information

  • Type Owner-Operator
    Owner Tantal Sa

Reserves and resources

  • Type In-situ
    Estimate year 1952
    Total resources 378000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Cobalt Co 1.1 wt-pct Cobalt Major 1952
  • Type In-situ
    Estimate year 1979
    Total resources 5000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Cobalt Co 0.83 wt-pct Cobalt Major 1979
    Gold Au 5.9 g/mt Gold Major 1979

Comments on the reserve resource information

  • SOME 60-80 MT MATERIAL WITH 1.40% CU IN DUMAS AT SURFACE. SAMPLING OVER 0.5 TO 2.5 M WIDTHS YIELDED 0.2-2.45% CO. A HIGH GRADE SAMPLE CONTAINED 4.79% CO, 0.23% NI, 6 G/MT AU, 2 G/MT AG.

Workings at the site

  • Type of workings Underground
    Overall depth 45M
    Overall length 142.65M

Comments on the workings information

  • THREE LEVELS OVER 45 M INTERVAL: LEVEL 1 HAS 59 M WITH TOTAL HORIZONTAL EXTENSION OF 25 M; LEVE 2 IS A 12 M ADIT; LEVEL 3 HAS 35 M WORKINGS. ANOTHER 50 M OF DEVELOPMENT IN 1979.

Comments on development

  • TANTAL SA REOPENED MINE IN 1979 FOR PURPOSES OF EXPLORATION.

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    ANGELELLI, V., 1984, YACIMIENTOS METALIFEROS DE LA REPUBLICA ARGENTINA: LA PLATA, PROVINCIA DE BUENOS AIRES, COMISION DE INVESTIGACIONES CIENTIFICAS, P. 384-385.

  • Deposit

    MAISONAVE, H.M., 1975; BOL. 162, DNGM.

  • Other Database

    CIMRI

  • Reserve-Resource

    ANGELELLI, V., (1984) P. 384.

General comments

Subject category Comment text
Deposit ORE SHOOTS 3-17 M LONG, FEW CM TO 1.45 M LONG.

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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