Maria Teresa Mine

Producer in Oruro, Bolivia with commodities Tin, Zinc, Lead, Arsenic, Copper
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. Ore body information
  11. Economic information about the deposit and operations
  12. Land status
  13. Ownership information
  14. Production statistics
  15. Reserves and resources
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10006340
MRDS ID BL20340
Record type Site
Current site name Maria Teresa Mine

Geographic coordinates

Geographic coordinates: -66.71808, -18.94818 (WGS84)
Elevation 4475
Relative position 15.5 KM S50E OF CHALLAPATA

Site location context

Political divisions (FIPS codes)

Oruro(province)

Bolivia(country)

South America(continent)

Land(continent)

Federal lands

Federal(land status)

Geographic areas

Country State
Bolivia Oruro
Bolivia Oruro

Comments on the location information

  • 2000 HA CONCESSION

Commodities

Commodity Importance
Tin Critical Primary
Zinc Critical Tertiary
Lead Tertiary
Arsenic Critical Tertiary
Copper Tertiary

Materials information

Materials Type of material
Cassiterite Ore
Chalcopyrite Ore
Galena Ore
Sphalerite Ore
Pyrite Gangue
Pyrrhotite Gangue
Quartz Gangue

Alteration

  • (Local) Pyritization, Oxidation

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Stratigraphic age (youngest) Late Silurian
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale

Nearby scientific data

(1) -66.71808, -18.94818

Economic information

Ore body information

  • Strike N 40-50 E; N 65 W
    Dip 72 NE
  • Dip 72 NE

Comments on the geologic information

  • HOST ROCKS STRIKE N40W DIP 70SW. SE OF THE CONCESSION THERE IS A 2 KM OUTCROP OF GRANITE AND ACIDIC LAVA FLOW.

Economic information about the deposit and operations

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

Land status

Ownership category Federal

Ownership information

  • Type Owner-Operator
    Owner Vicente Orlandini, Julieta Viuda De Orlandini

Production statistics

  • Year 1974
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tin Tin 26wt-pct

Reserves and resources

  • Type In-situ
    Estimate year 1974
    Total resources 1656700000mt ore
    Commodity Subtype Grade units Group Importance Year
    Tin Sn 1.24 wt-pct Tin Major 1974

Comments on the workings information

  • WORKING ON SEVERAL LEVELS. MAIN ADIT, 610 M LONG, IS ON LEVEL 6. TOTAL OF 310 M OF CROSSCUTS AND 300 M OF DRIFTS. CUT AND FILL MINING.

Reference information

Bibliographic references

  • Deposit

    TARQUINO, R., 1969, MINTEC INTERNAL REPORT 1969-I-M15

  • Deposit

    SANDOVAL, R., AND RUIZ, E., 1974, INVENTARIACION DE LA MINERA CHICA: GEOBOL INTERNAL REPORT

  • Deposit

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

  • Other Database

    CIMRI

  • Production

    SANDOVAL AND RUIZ (1974)

General comments

Subject category Comment text
Deposit TWO MAIN VEINS: (1) ELECTRA, 400 M LONG, STRIKES N40-50E 72 NE, 20 TO 60 CM WIDE; (2) MARIA TERESA, 400 M LONG, N65W, 15-20 CM WIDE. OTHER SHORT VEINS STRIKE N50E.
Deposit Discovery Year: 1800'S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1991 Edwin Guerra Servicio Geologic de Bolivia
Updater 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.