San Lorenzo Mine

Past Producer in Potosi, Bolivia with commodity Tin
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. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  16. Production statistics
  17. Reserves and resources
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10006333
MRDS ID BL20331
Record type Site
Current site name San Lorenzo Mine

Geographic coordinates

Geographic coordinates: -65.53277, -19.33094 (WGS84)
Elevation 4100
Relative position 1.5 KM S10E OF COLAVI

Site location context

Political divisions (FIPS codes)

Potosi(province)

Bolivia(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Bolivia Potosi
Bolivia Potosi

Comments on the location information

  • 400 HA CONCESSION

Commodities

Commodity Importance
Tin Critical Primary

Materials information

Materials Type of material
Cassiterite Ore
Pyrite Gangue
Pyrrhotite Gangue
Quartz Gangue

Alteration

  • (Local) Pyritization

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -65.53277, -19.33094

Economic information

Geologic structures

Type of structure Local
Structure description Host Rocks Cut By N75-80e Trending Faults

Ore body information

  • General form BLANKET
    Strike N 4-18 W
    Dip 25 SW
    Thickness 0.07M

Controls for ore emplacement

  • Sandstone Beds

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1850

Mining district

District name Colavi

Ownership information

  • Type Owner
    Owner Indalecio Canaviri

Production statistics

  • Year 1975
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Tin Tin 28wt-pct
  • Year 1976
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Tin Tin 22wt-pct

Reserves and resources

  • Type In-situ
    Estimate year 1977
    Total resources 187450000mt ore
    Commodity Subtype Grade units Group Importance Year
    Tin Sn 0.76 wt-pct Tin Major 1977

Comments on the reserve resource information

  • (1) PROBABLE RESERVE; (2) PROSPECTIVE RESERVE

Workings at the site

  • Type of workings Underground
    Length 1280M

Comments on the workings information

  • ROOM AND PILLAR MINING

Comments on development

  • ECON.COM: ORE HAND SORTED

Reference information

Bibliographic references

  • Deposit

    IPORRE, F., AND LAURA, F., 1977, INFORME PRELIMINAR DE INVENTARIACION: GEOBOL INFORME

  • Deposit

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

  • Other Database

    CIMRI

  • Production

    GUSTAVSON ASSOC. (1992)

General comments

Subject category Comment text
Deposit THREE MANTO DEPOSITS OF CASSITERITE DISSEMINATED IN CALCAREOUS SANDSTONE AND REPLACING QUARTZ AND PYRITE.
Deposit Discovery Year: 1800'S

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.