Sorpresa Mine

Past Producer in Potosi, Bolivia with commodities Zinc, Lead, Silver
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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Ownership information
  14. Reserves and resources
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10006409
MRDS ID BL20436
Record type Site
Current site name Sorpresa Mine

Geographic coordinates

Geographic coordinates: -65.48054, -21.9306 (WGS84)
Elevation 3300
Relative position 14 KM S30E OF MOJO

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
Zinc Critical Primary
Lead Secondary
Silver Secondary

Materials information

Materials Type of material
Sphalerite Ore
Pyrite Gangue
Quartz Gangue
Siderite Gangue

Alteration

  • (Local) Silicification

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Rock unit name Cieneguillas
    Rock description Cieneguillas
    Stratigraphic age (youngest) Early Ordovician
    Stratigraphic age (youngest) Early Ordovician
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Nearby scientific data

(1) -65.48054, -21.9306

Economic information

Geologic structures

Type of structure Regional
Structure description On E Limb Of Anticline

Ore body information

  • Strike N 25 W; N 15 E; N 75 W
    Dip 70 NE; 70 SW; 63 NE
  • Strike N 25 W; N 15 E; N 75 W
    Dip 70 NE; 70 SW; 63 NE
  • Strike N 25 W; N 15 E; N 75 W
    Dip 70 NE; 70 SW; 63 NE

Economic information about the deposit and operations

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

Ownership information

  • Type Owner
    Owner Luis Ossio S.

Reserves and resources

  • Type In-situ
    Estimate year 1982
    Total resources 2105000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 5.34 wt-pct Zinc Major 1982
    Lead Pb 1.13 wt-pct Lead Minor 1982
    Silver Ag 9 g/mt Silver Minor 1982
  • Type In-situ
    Estimate year 1982
    Total resources 5760000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 5.34 wt-pct Zinc Major 1982
    Lead Pb 1.13 wt-pct Lead Minor 1982
    Silver Ag 9 g/mt Silver Minor 1982

Comments on the reserve resource information

  • (1) PROBABLE; (2) PROSPECTIVE

Workings at the site

  • Type of workings Surface/Underground
    Length 100M

Comments on the workings information

  • OPEN CUTS, CROSSCUTS, DRIFTS

Comments on development

  • ECON.COM: HAND SORTED ORE

Reference information

Bibliographic references

  • Deposit

    FONEM, 1982, INFORME PROYECTO NO. 301/82

  • Deposit

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

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit MAIN VEIN TRENDS N25W DIPS 70 NE, OUTCROPS FOR A LENGTH OF 100 M AND IS 0.1-0.3 M WIDE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1993 Long, Keith R. U.S. Geological Survey

Beyond USGS

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