18 De Agosto Mine

Past Producer in Potosi, Bolivia with commodities Tin, Copper, Arsenic
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. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10006320
MRDS ID BL20316
Record type Site
Current site name 18 De Agosto Mine

Geographic coordinates

Geographic coordinates: -65.69305, -19.92731 (WGS84)
Elevation 3800
Relative position 7 KM S50W OF LA LAVA

Site location context

Political divisions (FIPS codes)

Potosi(province)

Bolivia(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Bolivia Potosi
Bolivia Potosi

Commodities

Commodity Importance
Tin Critical Primary
Copper Tertiary
Arsenic Critical Tertiary

Materials information

Materials Type of material
Cassiterite Ore
Chalcopyrite Ore
Pyrite 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 Unconsolidated Deposit > Gravel
    Stratigraphic age (youngest) Holocene
  • Host or associated Host
    Rock type Unconsolidated Deposit > Sand and Gravel

Nearby scientific data

(1) -65.69305, -19.92731

Economic information

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 Walter Milligan

Comments on the reserve resource information

  • MINIMUM ESTIMATE

Reference information

Bibliographic references

  • Deposit

    INTERNATIONAL MINING CO. EXPL NO. 501/69 MINTEC I-VM-11.

  • Deposit

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

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit ALLUVIAL TIN DEPOSIT DERIVED FROM EROSION OF TIN MINRALIZATION IN THE KARI KARI CALDERA. PLACER CONSISTS OF CLASTS OF GRANODIORITE, GNEISS, QUARTZITE, AND SLATE IN A MATRIX OF SAND AND CLAY WITH IRREGULAR DISSEMINATIONS OF CASSITERITE, PYRITE, CHALCOPYRITE, AND ARSENOPYRITE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1991 Guerra, Edwin Servicio Geologic de Bolivia
Updater 01-NOV-1993 Long, Keith R. U.S. Geological Survey

Beyond USGS

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