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Eureka Mine

Past Producer in Jujuy, Argentina with commodities Gold, Copper
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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. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Land status
  13. Ownership information
  14. Reserves and resources
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10056537
MRDS ID TC00578
Record type Site
Current site name Eureka Mine

Geographic coordinates

Geographic coordinates: -66.18889, -21.94615 (WGS84)
Elevation 4300
Relative position 30 KM W OF SANTA CATALINA AND 90 KM W OF LA QUIACA

Site location context

Political divisions (FIPS codes)

Jujuy(province)

Argentina(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Argentina Jujuy

Commodities

Commodity Importance
Gold Primary
Copper Primary

Comments on the commodity information

  • NUGGETS AND PIECES OF 5-10 MICRONS

Materials information

Materials Type of material
Copper Ore
Cuprite Ore
Gold Ore
Malachite Ore

Mineral occurrence model information

Model code 197
USGS model code 30b
Deposit model name Sediment-hosted Cu
Mark3 model number 63

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Siltstone
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Cabreria Formation, Eureka Member
    Rock description Cabreria Formation, Eureka Mbr
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Conglomerate

Nearby scientific data

(1) -66.18889, -21.94615
ListMap

Economic information

Controls for ore emplacement

  • Fluvial Channel

Comments on the geologic information

  • ALUVIAL MATERIAL AT THE BASE IS HEAVY WITH CLASTS UP TO 1/2 M3 AND THE REST WITH MEDIUM TO FINE CLASTS TO 100 M THICK.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No
Production years 1885-1908, 1950-1960

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Giuguanotti

Reserves and resources

  • Type In-situ
    Estimate year 1991
    Total resources 15000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.07 g/mt Gold Major 1991

Comments on the reserve resource information

  • TENTATIVES

Comments on the workings information

  • 900 M OF WORKINGS, A 456 M EXCAVATION AT THE 40 M LEVEL, VARIOUS GALERIES, CHIMNEYS, 66 M OF GALERIES AT THE 16 M LEVEL, FLOODED WORKINGS AT THE 70 M LEVEL. 12 SURFICIAL WORKINGS.

Comments on development

  • WITHOUT EXPLORATION ; TOTAL$: 0.5

Reference information

Bibliographic references

  • Deposit

    DIRECCION NACIONAL DE MINERIA Y GEOLOGIA, 1991, REPORT ON THE ARGENTINE MINING SECTOR, ARGENTINE SELECTED MINING PROJECT: BUENOS AIRES.

  • Deposit

    ANGELELLI, VICTORIO, 1984, YACIMIENTOS METALIFEROS DE LA REPUBLICA ARGENTINA, VOL. II: COMISION DE INVESTIGACIONES CIENTIFICAS, P. 393-704.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit ALSO MODEL # 39A. SEDIMENT-HOSTED COPPER DEPOSIT OVERPRINTS A PLACER GOLD DEPOSIT IN A PALEOCHANNEL. PLACER GOLD FOUND IN A 1-2 M THICK CONGLOMERATE WHICH EXTENDS BEYOND THE LIMITS OF THE COPPER MINERALIZATION.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1991 Bolm, Karen S. U.S. Geological Survey
Updater 01-FEB-1993 Long, Keith R. U.S. Geological Survey

Beyond USGS

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

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