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  3. Mineral Resource Data System (MRDS)

Mariana Mine

Past Producer in La Paz, Bolivia with commodity Tin
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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. Economic information about the deposit and operations
  10. Mining district
  11. Ownership information
  12. Production statistics
  13. Reserves and resources
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10097715
MRDS ID BL20260
Record type Site
Current site name Mariana Mine

Geographic coordinates

Geographic coordinates: -67.22505, -17.08101 (WGS84)
Elevation 4200
Relative position 8.5 KM N30W OF ICHOCA

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

Materials information

Materials Type of material
Cassiterite Ore
Pyrite Gangue
Siderite Gangue
Tourmaline Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
    Rock unit name Santa Vera Cruz
    Rock description Santa Vera Cruz
    Stratigraphic age (youngest) Late Silurian
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Late Silurian
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Rock unit name Uncia
    Rock description Uncia
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Nearby scientific data

(1) -67.22505, -17.08101
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Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of last production 1990

Mining district

District name Santa Vera Cruz

Ownership information

  • Type Owner-Operator
    Owner Empresa Minera Barrosquira Limitada

Production statistics

  • Year 1980
    Material ORE
    Accuracy Estimate
    Description Ap_Grade: ^0.2% Sn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Tin Tin 0wt-pct
  • Year 1990
    Material CONS
    Accuracy Accurate
    Description Ap_Grade: ^28.42% Sn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Tin Tin 28wt-pct

Reserves and resources

  • Type In-situ
    Estimate year 1990
    Total resources 3141000mt ore
    Commodity Subtype Grade units Group Importance Year
    Tin Sn 2.67 wt-pct Tin Major 1990

Comments on the reserve resource information

  • (1) POSITIVE; (2) PROBABLE; (3) POSSIBLE

Comments on the workings information

  • DEVELOPED ON THREE LEVELS

Reference information

Comments on the other database information

  • BL20530 AND BL20260 ARE NOT DUPLICATES, KEITH LONG, MARCH 94.

Bibliographic references

  • Deposit

    SANTOS, D., AND GOMEZ G., G., 1980, INFORME PRELIMINAR DE INVENTARIACION MINA MARIANA: GEOBOL INTERNAL REPORT

  • Deposit

    GUSTAVSON ASSOC. (1992) COMPENDIUM OF THE ECONOMIC GEOLOGY OF BOLIVIA

  • Other Database

    CIMRI

  • Production

    (1) SANTOS AND GOMEZ (1980); (2) GUSTAVSON ASSOC. (1990)

General comments

Subject category Comment text
Deposit THIN VEINS AND VEINLETS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-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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