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San Lorenzo Mine

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

Geologic information

Identification information

Deposit ID 10097723
MRDS ID BL20321
Record type Site
Current site name San Lorenzo Mine

Geographic coordinates

Geographic coordinates: -65.74944, -19.73093 (WGS84)
Elevation 4160
Relative position 17 KM DUE S OF POTOSI

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
Silver Primary
Lead Primary
Copper Tertiary
Zinc Critical Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Sphalerite Ore
Limonite Gangue
Pyrite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale

Nearby scientific data

(1) -65.74944, -19.73093
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Economic information

Ore body information

  • General form PINCH AND SWELL
    Strike N-S
    Dip 65-70 E
    Length 300M
    Width 0.3M

Economic information about the deposit and operations

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

Ownership information

  • Type Operator
    Owner Corporacion Minera Del Sur S.A. (Comsur)
  • Type Owner
    Owner Elias Roncal Otalara

Reserves and resources

  • Type In-situ
    Estimate year 1982
    Total resources 28000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 346.61 g/mt Silver Major 1982
    Lead Pb 7.48 wt-pct Lead Major 1982
    Zinc Zn 2.94 wt-pct Zinc Trace 1982

Comments on the reserve resource information

  • GEOLOGIC RESERVE

Workings at the site

  • Type of workings Underground
    Length 130M
    Overall depth 45M

Comments on the workings information

  • MAIN SHAFT 40 M DEEP, MAIN WORKING ADIT 70 M LONG, TWO OTHER ADITS BOTH 30 M LONG

Comments on development

  • ECON.COM: ORE HAND SORTED

Reference information

Bibliographic references

  • Deposit

    BARRIENTOS, M., 1982, INFORME ETAPA "A" SAN LORENZO PROYECTO 372/82, CENTRO DE DOCUMENTACION FONDO NACIONAL DE EXPLORACION MINERA.

  • Deposit

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

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit ONE VEIN

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.

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