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Jacutinga

Past Producer in Minas Gerais, Brazil with commodities Mica, Gemstone
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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 10066238
MRDS ID TC42355
Record type Site
Current site name Jacutinga

Geographic coordinates

Geographic coordinates: -41.90169, -20.52607 (WGS84)
Elevation 815
Location accuracy 1000(meters)
Relative position 3 KM SW 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

Comments on the location information

  • HEAD OF N FLOWING TRIBUTARY OF FAMA CREEK.

Commodities

Commodity Importance
Mica Primary
Gemstone Primary

Materials information

Materials Type of material
Aquamarine Ore
Muscovite Ore
Kaolin Gangue
Microcline Gangue
Plagioclase 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) -41.90169, -20.52607
ListMap

Economic information

Ore body information

  • General form LENS
    Strike NW
    Dip 40 SW
    Thickness 6M
    Length 95M
    Width 30M

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 Operator
    Owner Elpidio Ribas Pitta And Renato Semola
    First year 1944
  • Type Owner
    Owner Santos And Filho
    First year 1923
    Last year 1925
  • Type Owner
    Owner Brandao, Alfredo
    First year 1925

Comments on the production information

  • 500 KG AND UP PER MONTH (1944); ORE (1) AND (2) IS HALF TRIMMED MICA; ORE (3) IS RAW AQUAMARINE.

Comments on the workings information

  • OPEN-CUT AND INTERCONNECTED DRIFTS, STOPES, AND INCLINES FROM 3 ADITS; ALL IN DECOMPOSED ROCK.

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 DEPOSITS 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 CUTS FOLIATION IN COUNTRY ROCKS, SIZE IS FOR PEGMATITE THAT AVERAGES 3-4 M IN THICKNESS; MINEABLE CONCENTRATION OF MICA ARE BETWEEN CORE AND HANGING WALL; A CIGAR-SHAPED PART PLUNGING S SEEMS TO BE THE RICHEST.

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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