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Esperanza - Amigo - Borda Mines

Past Producer in La Paz, Bolivia with commodities Copper, Silver, Lead
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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. Alteration
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10005996
MRDS ID BL10224
Record type Site
Current site name Esperanza - Amigo - Borda Mines

Geographic coordinates

Geographic coordinates: -68.21007, -17.5721 (WGS84)
Elevation 3850
Relative position JUST N OF TOWN OF CHACARILLA

Site location context

Political divisions (FIPS codes)

La Paz(province)

Bolivia(country)

South America(continent)

Land(continent)

Federal lands

Federal(land status)

Geographic areas

Country State
Bolivia La Paz

Comments on the location information

  • LAT LONG IS FOR ESPERANZA MINE

Commodities

Commodity Importance
Copper Primary
Silver Secondary
Lead Tertiary

Materials information

Materials Type of material
Cuprite Ore
Malachite Ore
Tenorite Ore

Alteration

  • (Local) Bleaching

Analytical data

Result ANALYSIS (SCHNEIDER-SCHERBINA, 1963): 1.02% CU, 1.20% PB, TR AG OVER 50 M, 5.10% CU, 1.3% PB, 5 G/MT AG

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 > Sandstone
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene

Nearby scientific data

(1) -68.21007, -17.5721
ListMap

Economic information

Ore body information

  • General form LENTICULAR
    Length 550M
    Width 150M
    Depth to top 0M

Controls for ore emplacement

  • Preferred Beds

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Chacarilla District

Land status

Ownership category Federal

Ownership information

  • Type Owner-Operator
    Owner Nitto Bolivia Mining Co.

Workings at the site

  • Type of workings Underground
    Length 200M
    Overall depth 80M

Reference information

Bibliographic references

  • Deposit

    SCHNEIDER-SCHERBINA, A., 1963, LOS YACIMIENTOS DE COBRE DEL ALTIPLANO BOLIVIANO: MISION GEOLOGICA ALEMANA EN BOLIVIA INFORME 44, 158P

  • Deposit

    GEOLOGICAL INVESTIGATIONS BY GERMAN GEOLOGICAL MISSION TO BOLIVIA (SCHNEIDER-SCHERBINA, 1963

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit ARE 4 MANTOS 2 TO 5 M THICK

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1915 Long, Keith R. Servicio Geologic de Bolivia

Beyond USGS

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

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