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Urubu

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 10065551
MRDS ID TC40898
Record type Site
Current site name Urubu
Alternate or previous names Chalet Group, Almeida Mine

Geographic coordinates

Geographic coordinates: -41.94335, -20.67524 (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

  • S OF SAO DOMINGOS CREEK ON N SLOPES OF MORRO URUBU.

Commodities

Commodity Importance
Mica Primary

Materials information

Materials Type of material
Muscovite Ore
Biotite Gangue
Feldspar Gangue
Kaolin Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Gneiss
  • Host or associated Host
    Rock type Plutonic Rock > Pegmatite

Nearby scientific data

(1) -41.94335, -20.67524
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Economic information

Ore body information

  • General form VERTICAL SHEET
    Strike NE
    Dip STEEP E
    Thickness 1.5M
    Length 75M
    Width 6M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No
Discovery year 1897
Discoverer French Prospector

Ownership information

  • Type Owner-Operator
    Owner English Interests (Ww I)
    First year 1919
    Last year 1944
  • Type Owner-Operator
    Owner Fioravanti Padula
    First year 1919
    Last year 1939
  • Type Owner-Operator
    Owner Pedro Serenario
    First year 1943
    Last year 1944
  • Type Owner-Operator
    Owner Renato Semoca And Elpidio Ribas Pitta
    First year 1944

Comments on the production information

  • CUMULATIVE PRODUCTION: ORE (1) AND (2) ARE MINE CRUDE MICA PRODUCTION; ORE (3) PEGMATITE WITH 13:1 STRIPPING RATIO OF OVERBURDEN TO PEGMATITE; 500 KG AND UP PER MONTH (1944).

Comments on the workings information

  • 1087 M TOTAL ACCESSIBLE UNDERGROUND, 275 IN WEATHERED PEGMATITE; LOWER OPEN-CUT: 75 M LONG, 20-60 M WIDE 30 M DEEP REMOVING 135,000 TONS OF MATERIAL; MIDDLE CUT (ALMEIDA MINE): N-S LENGTH 90 M, EW OF 90 M, DEPTH 25 M, REMOVING 187,500 TONS OF MATERIAL; UPPER CUT: E-W LENGTH 100 M, 60 M WIDE, DEPTH 30-40 M, REMOVING 387000 TONS OF MATERIAL.

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., 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

    ANNUAL PRODUCTION: UNPUBLISHED DATA. CUMULATIVE PRODUCTION: PECORA (1950).

General comments

Subject category Comment text
Deposit ORE SHOOT IS VERTICAL SHEET AROUND A QUARTZ LENS CONTAINING 140 MT MINE-CRUDE MICA, TOP PART OF SHOOT WAS ERODED; IRREGULARLY SHAPED PEGMATITE. 300-400 M LONG.

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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