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Otilia Mine

Producer in La Paz, Bolivia with commodities Tin, Zinc, Lead
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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. 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 10006253
MRDS ID BL20231
Record type Site
Current site name Otilia Mine

Geographic coordinates

Geographic coordinates: -67.41616, -16.93185 (WGS84)
Elevation 4800
Relative position 13 KM FROM VILOCO

Site location context

Political divisions (FIPS codes)

La Paz(province)

Bolivia(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Bolivia La Paz
Bolivia La Paz

Commodities

Commodity Importance
Tin Critical Primary
Zinc Critical Primary
Lead Primary

Materials information

Materials Type of material
Cassiterite Ore
Galena Ore
Sphalerite Ore
Barite Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Weak Argillization

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Tres Cruces Batholith
    Rock description Tres Cruces Batholith
    Stratigraphic age (youngest) Late Silurian
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Late Silurian
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Rock unit name Llallagua
    Rock description Llallagua
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • 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) -67.41616, -16.93185
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description On Ne Limb Of A S60e Syncline

Ore body information

  • General form TABULAR
    Thickness 0.05M
    Length 2000M

Controls for ore emplacement

  • At The Margin Of The Tres Cruces Batholith

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Tres Cruces

Ownership information

  • Type Owner-Operator
    Owner Rodolfo Aguilar

Production statistics

  • Year 1983
    Period 1983
    Accuracy Estimate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Tin Tin 40wt-pct

Comments on the production information

  • PRODUCTION IS VERY IRREGULAR.

Reserves and resources

  • Type In-situ
    Estimate year 1983
    Total resources 7155000mt ore
    Commodity Subtype Grade units Group Importance Year
    Tin Sn 0.85 wt-pct Tin Major 1983
  • Type In-situ
    Estimate year 1983
    Total resources 27436000mt ore
    Commodity Subtype Grade units Group Importance Year
    Tin Sn 1.05 wt-pct Tin Major 1983

Comments on the reserve resource information

  • (1) POSITIVE; (2) PROBABLE

Workings at the site

  • Type of workings Underground
    Length 200M
    Overall depth 100M

Comments on the workings information

  • TUNNELS AND CROSSCUTS

Comments on development

  • ECON.COM: HAND SORTING

Reference information

Bibliographic references

  • Deposit

    VIA, A., SALVADOR, N., AND AVENDANO, A., 1983, PROYECTO DE SEMIMECANIZACION DE LA MINERIA CHICA, MINA OTILIA

  • Deposit

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

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit TWO BRECCIATED VEINS WITH MYLONITIZED SELVEGES: OTILIA IS 2000 M LONG AND 0.20 TO 0.50 M WIDE; SAN JORGE IS SHORTER AND NARROWER THAN THE OTELIA VEIN AND IS DEVELOPED TO 50 M DEPTH

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1991 Cardenas, Nestor Servicio Geologic de Bolivia
Updater 01-SEP-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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