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Nueva Esperanza-Araras Placer Mine

Producer in Pando, Bolivia with commodities Gold, Tin
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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. Ownership information
  13. Reserves and resources
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10100677
MRDS ID BL30136
Record type Site
Current site name Nueva Esperanza-Araras Placer Mine

Geographic coordinates

Geographic coordinates: -65.33279, -10.04793 (WGS84)
Elevation 330
Relative position 84 KM DUE N OF GUAYARAMERIN

Site location context

Political divisions (FIPS codes)

Pando(province)

Bolivia(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Bolivia Pando
Bolivia Pando

Comments on the location information

  • ON RIO MADERA NEAR NUEVA ESPERANZA

Commodities

Commodity Importance
Gold Primary
Tin Critical Tertiary

Materials information

Materials Type of material
Cassiterite Ore
Gold Ore
Garnet Gangue
Hematite Gangue
Ilmenite Gangue
Magnetite Gangue
Pyrite Gangue
Quartz Gangue
Rutile Gangue
Zircon Gangue

Mineral occurrence model information

Model code 119
USGS model code 39a
Deposit model name Placer Au-PGE
Mark3 model number 54

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Conglomerate

Nearby scientific data

(1) -65.33279, -10.04793
ListMap

Economic information

Controls for ore emplacement

  • Paleochannel

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Ownership information

  • Type Owner
    Owner Coop. Min. Agro. Nueva Esperanza Ltda.

Comments on the production information

  • ACTIVE LITTLE DEVELOPED PRODUCER

Reserves and resources

  • Type In-situ
    Estimate year 1983
    Total resources 105509000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.056 g/mt Gold Major 1983
  • Type In-situ
    Estimate year 1986
    Total resources 119393000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.04 g/mt Gold Major 1986
  • Type In-situ
    Estimate year 1986
    Total resources 163729000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 0.62 g/mt Gold Major 1986

Comments on the reserve resource information

  • (1) POSITIVE; (2)PROBABLE; (3)POSSIBLE

Comments on the workings information

  • MINED USING MONITORS AND SUCTION DREDGES.

Comments on development

  • ECONOMIC COMMENTES: GRAVITY CONCENTRATION

Reference information

Bibliographic references

  • Deposit

    GUSTAVSON ASSOC., 1992, COMPENDIUM OF THE ECONOMIC GEOLOGY OF BOLIVIA.

  • Deposit

    BANCO MINERO, 1986. PROYECTO AURIFERO NUEVA ESPERANZA-ARARAS, PANDO, BOLIVIA: BAMIN INTERNAL REPORT.

  • Deposit

    CLAURE, H., 1983, PROYECTO NORESTE, EXPLORACION DEL ORO PROPIEDAD SAN ANTONIO DEL RIO: COMIBOL INFORME INTERNO NO. T01/83.

  • Other Database

    CIMRI

  • Reserve-Resource

    (1-3) GUSTAVSON ASSOC. (1992)

General comments

Subject category Comment text
Deposit HEAVY MINERALS IRREGULARLY DISTRIBUTED IN CONGLOMERATE OF SUBROUNDED CLASTS IN A SAND-CLAY MATRIX.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1994 Blacutt, William U.S. Geological Survey

Beyond USGS

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

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