1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Lourencos

Past Producer in Minas Gerais, Brazil with commodity Mica
Map
XML
JSON
KML
B
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 10066331
MRDS ID TC42485
Record type Site
Current site name Lourencos
Alternate or previous names Serra Dos Lourencos

Geographic coordinates

Geographic coordinates: -41.7467, -18.2767 (WGS84)
Elevation 605
Location accuracy 10000(meters)
Relative position 26 KM NE OF COROACI, 14 KM E OF KAMALHETA.

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

  • AT HEAD OF BEBEDOURO CREEK IN SERRA DOS LOURENCOS.

Commodities

Commodity Importance
Mica Primary

Materials information

Materials Type of material
Muscovite Ore
Albite Gangue
Biotite Gangue
Garnet Gangue
Kaolin Gangue
Microcline Gangue
Pyrite Gangue
Quartz Gangue

Host and associated rocks

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

Nearby scientific data

(1) -41.7467, -18.2767
ListMap

Economic information

Ore body information

  • General form IRREGULAR TABULAR
    Strike N10-20W
    Dip 20-50E
    Thickness 10M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No
Discovery year 1915

Mining district

District name Governador Valadares Area

Ownership information

  • Type Operator
    Owner Mineracao Rio Doce Ltd )
    First year 1944
  • Type Owner
    Owner Santos Nogueira Co.
    First year 1938

Comments on the production information

  • 6% SHEET MICA IN 1943-1945 ESTIMATE; UNDERGROUND MOVED 3600 CU M (MAY 1944-APRIL 1945) AND PRODUCED 205 MT CRUDE MICA BY OPEN ROOM AND PILLAR.

Comments on the reserve resource information

  • INDICATED RESERVE (INCLUDES MEASURED). 1945 ESTIMATE FOR SECTIONS 1,3, AND 4.

Comments on the workings information

  • ABOUT 2300 M UNDERGROUND WORKINGS AND PITS OVER AN AREA OF 8 HECTARES WITH 8 PRINCIPAL ADITS.

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

    PECORA, W.T. AND BARBOSA, A.L.M., 1944, THE SERRA DOS LOURECAS MICA MINE, MUNICIPIO OF PERCANHA, MINAS GERAIS, BRAZIL: U.S. GEOLOGICAL SURVEY UNPUBLISHED REPORT, 26P.

  • Other Database

    CIMRI

  • Production

    PECORA AND BARBOSA (1944); PECORA ET AL (1950)

Reporter information

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

Beyond USGS

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

Maps centered on this site