Jazida Do Campo Do Cercado

Prospect in Minas Gerais, Brazil with commodities Aluminum, Molybdenum, Silica, Uranium, Zirconium
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Land status
  12. Ownership information
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10206822
MAS/MILS ID 3510230017
Record type Site
Current site name Jazida Do Campo Do Cercado
Alternate or previous names Cercado - Pocos De Caldas,Mg

Geographic coordinates

Geographic coordinates: -46.699, -21.41556 (WGS84)
Elevation 2000

Site location context

Political divisions (FIPS codes)

Minas Gerais(province)

Brazil(country)

South America(continent)

Land(continent)

Federal lands

Federal(land status)

Geographic areas

Country State
Brazil Minas Gerais

Commodities

Commodity Importance
Aluminum Critical Tertiary
Molybdenum Tertiary
Silica Tertiary
Uranium Tertiary
Zirconium Critical Tertiary

Materials information

Materials Type of material
Molybdenite Unknown
Uraninite Unknown
Zircon Unknown

Nearby scientific data

(1) -46.699, -21.41556

Economic information

Ore body information

  • Strike N40E
    Dip 35N
    Thickness 20M
    Length 2500M
    Width 20M
    Area 20HA
    Depth to top 160M
    Field Value
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 IRREGULAR
    Type of Orebody #2 BRECCIA FILL
    Shape of Orebody #2 PIPELIKE
    Type of Orebody #3 OTHER
    Shape of Orebody #3 OTHER
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin RESIDUAL CONCENT
    Primary Ore Control FAULTING
    Secondary Ore Control FRACTURING
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 SERICITIC
    Type of Wallrock Alter. #2 INTERM ARGILLIC
    Strike And Dip N40E:35N
    Minimum Depth to Top 140
    Avg. Thick. Unconsol. Mat. 3
    Min. Thick. Unconsol. Mat. 3
    Total Surface Area (HA) 20
    Date of Last Modification 780213

Economic information about the deposit and operations

Operation type Underground
Development status Prospect
Commodity type Metallic
Significant No
Discovery year 1953

Mining district

District name Cercado Area

Land status

Ownership category Federal

Ownership information

  • Type Owner
    Owner Brazilian Government
    Interest 100
    Home office Brazil
    Year 1976
  • Type Owner
    Owner Comissao Nacional De Energia Nuclear C. E. N. E. N.
    Home office Brazil
    Year 1976

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Avg. Overburden Thickness 3
    Capacity Units MT ORE/DAY
    Units of Production $/MT ORE
    Year of Information 1976
  • Type of workings Underground
    Overall depth 100M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OTHER COMBINED METHODS
    Hardness of Rock HARDROCK FISSURED WITH MODERATE WATER
    Rock Characteristics NONCOHERENT
    Capacity Units MT ORE/DAY
    Units of Production $/MT ORE
    Operating Days per Year 365
    Year of Information 1976

Reference information

Bibliographic references

  • Deposit

    MACIEL,AC,CRUZ,PR,1973,PERFIL ANALITICO DO URANIO,MME,DNPM,B

  • Deposit

    BRAZIL. AND OPERATIONAL NAVIGATIONAL CHART MAP,ONC,P-28,SCAL

  • Deposit

    0000,BRAZIL

General comments

Subject category Comment text
Deposit THE DEPOSITS AT CERCADO OCCUR IN AN AREA OF 5 KM IN ALCALIC OF TINGUAITO TYPE. THESE DEPOSITS ARE ECONOMICALLY FEASIBLE T

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Unknown U.S. Bureau of Mines

Beyond USGS

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