Chorolque Viejo Mine

Producer in Potosi, Bolivia with commodities Tin, Silver, Lead, Zinc, Antimony
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. Geologic structures
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Ownership information
  15. Reserves and resources
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10006336
MRDS ID BL20335
Record type Site
Current site name Chorolque Viejo Mine

Geographic coordinates

Geographic coordinates: -66.00916, -20.97674 (WGS84)
Elevation 4000
Relative position 15 KM S30E OF CHOROLQUE

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
Silver Primary
Lead Primary
Zinc Critical Primary
Antimony Critical Tertiary

Materials information

Materials Type of material
Boulangerite Ore
Cassiterite Ore
Jamesonite Ore
Sphalerite Ore
Quartz Gangue
Siderite Gangue

Alteration

  • (Local) Silicification

Mineral occurrence model information

Model code 77
USGS model code 20b
Deposit model name Sn-polymetallic vein

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Late Ordovician
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Nearby scientific data

(1) -66.00916, -20.97674

Economic information

Geologic structures

Type of structure Regional
Structure description Nw Trending Anticline

Ore body information

  • General form PINCH AND SWELL
    Strike N 55-75 W
    Dip VERTICAL

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No
Discoverer Spanish Colonists

Ownership information

  • Type Owner-Operator
    Owner Empresa Minera Sominer Limitada

Reserves and resources

  • Type In-situ
    Estimate year 1980
    Total resources 10659000mt ore
    Commodity Subtype Grade units Group Importance Year
    Tin Sn 1.27 wt-pct Tin Major 1980
    Silver Ag 193 g/mt Silver Major 1980
  • Type In-situ
    Estimate year 1980
    Total resources 490925000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 269 g/mt Silver Major 1980
    Lead Pb 2.31 wt-pct Lead Major 1980
    Zinc Zn 1.34 wt-pct Zinc Major 1980

Comments on the reserve resource information

  • (1) INDUSTRIAL; (2) GEOLOGIC

Workings at the site

  • Type of workings Underground
    Length 1554M

Comments on the workings information

  • CROSSCUTS: 685 M; TUNNELS, RAISES, SHAFTS: 900 M. CUT AND FILL MINING.

Comments on development

  • ECON.COM: GRAVITY CONCENTRATION MILL OF 25-30 MT/DAY CAPACITY.

Reference information

Bibliographic references

  • Deposit

    FONDO DE EXPLORACION MINERA, 1980, INFORME INTERNO

  • Deposit

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

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit MINERALIZATION ZONED AROUND CERRO CHOROLQUE DACITIC STOCK. SN ZONE NEAREST STOCK AND ZN-PB-AG-SB ZONE FURTHEST AWAY FROM STOCK. SOME 15 VEINS DEVELOPED ARE 200 TO 800 M LONG AND 0.11 TO 0.46 M WIDE.

Reporter information

Type Date Name Affiliation Comment
Reporter 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.