Volta Grande Mine

Producer in Minas Gerais, Brazil with commodities Tin, Tantalum, Lithium
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. Mining district
  12. Ownership information
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10085127
MRDS ID W700664
Record type Site
Current site name Volta Grande Mine

Geographic coordinates

Geographic coordinates: -44.54813, -21.10329 (WGS84)
Relative position 200 KM NW OF RIO DE JANEIRO, 150 KM SSW OF BELO HORIZONTE, ABOUT 33 KM WEST OF SAO JOAO DEL REI.

Site location context

Political divisions (FIPS codes)

Minas Gerais(province)

Brazil(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Brazil Minas Gerais

Comments on the location information

  • NEAR AND SOUTH OF BEND IN RIO DAS MORTES.

Commodities

Commodity Importance
Tin Critical Primary
Tantalum Critical Primary
Lithium Critical Primary

Materials information

Materials Type of material
Cassiterite Ore
Spodumene Ore
Tantalite Ore
Albite Gangue
Gahnite Gangue
Ilmenite Gangue
Kaolinite Gangue
Lepidolite Gangue
Magnetite Gangue
Microcline Gangue
Microlite Gangue
Muscovite Gangue
Quartz Gangue
Spessartite Gangue
Tourmaline Gangue
Xenotime Gangue
Zircon Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Gneiss
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Plutonic Rock > Pegmatite

Nearby scientific data

(1) -44.54813, -21.10329

Economic information

Ore body information

  • Strike ENE
    Dip LOW-MODERATE SE-S
    Length 2300M

Comments on the geologic information

  • SEEMS TO HAVE A BORDER ZONE AND HAVE AT LEAST FOUR ASSEMBLAGES: (1) FELDSPAR-QUARTZ-MUSCOVITE-SPODUMENE, (2) FELDSPAR-QUARTZ-MUSCOVITE, (3) FELDSPAR (MICROCLINE?), (4) QUARTZ-MUSCOVITE.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No
Year of first production 1943

Mining district

District name Sao Jao Del Rei District

Ownership information

  • Type Operator
    Owner Companhia De Estanho Sao Joao Del Rei )
    First year 1943

Comments on the workings information

  • OPEN PIT; IN 1957 OPEN PIT WAS 750 M IN DIAMETER.

Comments on development

  • ORE PRODUCTION CAPACITY BETWEEN 300,000 AND 500,000 TONNES/YEAR.

Reference information

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-89 Beougher, Dee (Spanski, Gregory T.) U.S. Geological Survey
Updater 01-FEB-94 Page, Norman J. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.