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La Amarilla Mine

Past Producer in La Paz, 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. Economic information about the deposit and operations
  11. Ownership information
  12. Reserves and resources
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10097710
MRDS ID BL20214
Record type Site
Current site name La Amarilla Mine

Geographic coordinates

Geographic coordinates: -68.08284, -15.54773 (WGS84)
Elevation 1000
Location accuracy 1000(meters)
Relative position 90 KM FROM GUANAY, Estimated Location From Gustavson Assoc., 1992., Estimated Location From Gustavson Assoc., 1992.

Site location context

Political divisions (FIPS codes)

La Paz(province)

Bolivia(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Bolivia La Paz
Bolivia La Paz

Comments on the location information

  • ON THE RIO TIPUANI

Commodities

Commodity Importance
Gold Primary
Tin Critical Tertiary

Materials information

Materials Type of material
Cassiterite Ore
Gold Ore
Garnet Gangue
Ilmenite Gangue
Magnetite Gangue
Quartz 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 Associated
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Stratigraphic age (youngest) Late Ordovician
    Stratigraphic age (youngest) Late Ordovician
  • Host or associated Associated
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Conglomerate
    Rock unit name Cangalli;
    Rock description Cangalli;

Nearby scientific data

(1) -68.08284, -15.54773
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Economic information

Comments on the geologic information

  • CONBLOMERATE CONTAINS QUARTZITE, SHALE, GRANITE, AND HEMATITE CLASTS IN A CLAY MATRIX CAPPED BY GRAVEL.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Ownership information

  • Type Owner-Operator
    Owner Cooperativa La Amarilla Limitada

Reserves and resources

  • Type In-situ
    Estimate year 1984
    Total resources 315000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 10 g/mt Gold Major 1984

Comments on the workings information

  • SMALL OPEN PITS

Comments on development

  • ECON.COM: GRAVITY CONCENTRATION IN SLUICES

Reference information

Bibliographic references

  • Deposit

    TEJERINA, M., 1984, INFORME ETAPA "A" PROYECTO 456/84 - CENTRO DE DOCUMENTACION, FONDO NACIONAL DE EXPLORACION MINERA.

  • Deposit

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

  • Other Database

    CIMRI

  • Reserve-Resource

    GUSTAVSON ASSOC. (1992)

General comments

Subject category Comment text
Deposit PLACER DEPOSITS IN CONGLOMERATE 5 TO 100 M THICK; RICHEST NEAR BEDROCK.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-93 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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