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Boa Vista #2

Past Producer in Minas Gerais, Brazil with commodity Mica
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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. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10105339
MRDS ID TC40900
Record type Site
Current site name Boa Vista #2
Alternate or previous names Chalet Group

Geographic coordinates

Geographic coordinates: -41.94502, -20.66996 (WGS84)
Location accuracy 1000(meters)
Relative position 7 KM WSW OF ESPERA FELIZ

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

  • SOUTH SAO DOMINGOS CREEK.

Commodities

Commodity Importance
Mica Primary

Materials information

Materials Type of material
Muscovite Ore
Feldspar Gangue
Kaolin Gangue
Quartz 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 Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Plutonic Rock > Pegmatite

Nearby scientific data

(1) -41.94502, -20.66996
ListMap

Economic information

Ore body information

  • Strike N20E
    Dip STEEP SE
    Thickness 2M
    Length 35M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No

Ownership information

  • Type Owner
    Owner Fioravanti Padula (1940'S).

Comments on the production information

  • 500 KG AND UP PER MONTH (1944).

Comments on the workings information

  • 2 OPEN CUTS 75 +/- M LENGTH, 15-25 M WIDE, 10 M DEEP; 598 M TOTAL UNDERGROUND WORKINGS, 63 M IN PEGMATITE.

Reference information

Bibliographic references

  • Deposit

    PECORA, W.T., KLEPPER, M.R., LARRABEE, D.M., BARBOSA, A.L.M., AND FRAYHA, RESK, 1950, MICA DEPOSITS IN MINAS GERAIS, BRAZIL: U.S. GEOLOGICAL SURVEY BULLETIN 964-C, P. 205-305.

  • Deposit

    LARRABEE, D.M., KLEPPER, M.R., AND FRAYHA, RESK, 1944, THE CHALET GROUP OF MICA MINES, MUNICIPIO OF ESPERA FELIZ, MINAS GERAIS, BRAZIL: U.S. GEOLOGICAL SURVEY UNPUBLISHED REPORT 22 P.

  • Other Database

    CIMRI

  • Production

    PECORA ET AL (1950); LARRABEE ET AL (1944).

General comments

Subject category Comment text
Deposit 7 LENTICULAR NARROW PEGMATITES.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1994 Page, Norman J. U.S. Geological Survey

Beyond USGS

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

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