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Fazendinha

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. Reserves and resources
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10066263
MRDS ID TC42388
Record type Site
Current site name Fazendinha

Geographic coordinates

Geographic coordinates: -41.91113, -20.52774 (WGS84)
Location accuracy 1000(meters)
Relative position 3 KM WSW OF CAPARAO

Site location context

Political divisions (FIPS codes)

Minas Gerais(province)

Brazil(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Brazil Minas Gerais

Commodities

Commodity Importance
Mica Primary

Materials information

Materials Type of material
Muscovite Ore
Beryl Gangue
Kaolin Gangue
Microcline 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 Host
    Rock type Plutonic Rock > Pegmatite

Nearby scientific data

(1) -41.91113, -20.52774
ListMap

Economic information

Ore body information

  • General form OBLONG IN PLAIN, LENS-SHAPED IN CROSS SECTION
    Strike N
    Dip GENTLY W
    Plunge GENTLY S
    Length 50M
    Width 35M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No
Discovery year 1923
Discoverer Antonio Machado Santos And Jose Maria Filho

Ownership information

  • Type Owner-Operator
    Owner Santos And Filho
    First year 1923
    Last year 1925
  • Type Owner-Operator
    Owner Brandao, Alfredo
    First year 1925
    Last year 1944
  • Type Owner-Operator
    Owner El Pidio Pitta And Renato Semola
    First year 1944

Comments on the production information

  • ORE (1) AND (2) ARE MINE CRUDE MICA; 500 KG AND UP.

Reserves and resources

  • Type In-situ
    Estimate year 1944
    Total resources 46000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Mica Mic 2.5 wt-pct Mica Major 1944

Comments on the reserve resource information

  • RESERVES ESSENTIALLY DEPLETED IN 1945; ORE RESERVE IN MICA SHOOT AND PILLARS.

Comments on the workings information

  • OPEN CUT 40 M IN DIAMETER, 20 M DEEP; A FEW HUNDRED METERS OF UNDERGROUND WORKINGS, 4 ADITS, INCLINED SHAFT.

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

    KLEPPER, M.R., AND FRAYHA, RESK, 1944, MICA DEPSOTIS NEAR CAPARAO, MUNICIPIOS OF ESPERA FELIZ AND MANHUMIRIM, MINAS GERAIS, BRAZIL: U.S. GEOLOGICAL SURVEY UNPUBLISHED REPORT, 33 P.

  • Other Database

    CIMRI

  • Production

    PECORA ET AL (1950).

General comments

Subject category Comment text
Deposit DIMENSIONS FOR PEGMATITE

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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