Mina Raposos

Producer in Minas Gerais, Brazil with commodities Arsenic, Gold, Silver
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. Ownership information
  12. Reserves and resources
  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 10255629
MAS/MILS ID 3510230005
Record type Site
Current site name Mina Raposos

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -43.81005, -19.96359 (WGS84)
Elevation 780
Location accuracy 100(meters)

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
Arsenic Critical Tertiary
Gold Tertiary
Silver Tertiary

Materials information

Materials Type of material
Arsenopyrite Unknown
Chalcopyrite Unknown
Gold Unknown
Magnetite Unknown
Pyrite Unknown
Pyrrhotite Unknown
Quartz Unknown
Siderite Unknown
Silver Unknown

Nearby scientific data

Main Entrance (1) -43.81005, -19.96359

Economic information

Ore body information

  • Strike E00W
    Dip 35E
    Thickness 2M
    Length 10M
    Width 60M
    Depth to top 370M
    Field Value
    Type of Orebody #1 REPLACEMENT
    Shape of Orebody #1 OTHER
    Type of Orebody #2 DISSEMINATED
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control LITHOLOGY
    Secondary Ore Control FOLDING
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 SERICITIC
    Type of Wallrock Alter. #2 PYRITIZATION
    Strike And Dip E00W:35E
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 780213

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Significant No
Discovery year 1910
Year of first production 1910

Mining district

District name Iron Quadrangle

Ownership information

  • Type Owner-Operator
    Owner Mineracao Morro Velho, S. A.
    Interest 100
    Home office Brazil
    Year 1975

Reserves and resources

  • Type In-situ
    Estimate year 0
    Measured 1700000mt ore
    Demonstrated 1700000mt ore
    Total resources 1700000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 9.5 g/mt Gold Trace 0
  • Type In-situ
    Estimate year 0
    Measured 8840000mt ore
    Demonstrated 8840000mt ore
    Total resources 8840000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 8 g/mt Gold Trace 0

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Hardness of Rock HARDROCK WITH LITTLE WATER
    Rock Characteristics ONE SYSTEM OF WEAKNESS PLANES
    1st Condition of Workings OPEN
    Capacity 600
    Capacity Units MT ORE/DAY
    Units of Production $/MT ORE
    Year of Information 1975

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit 75-CO HQ IS IN RIO DE JANEIRO. GUANABARA, BRAZIL 75-RCD 080 DEPOSIT IS REPLACEMENT OF FOLDED AND SHEARED META 75-RCD 080 WALLROCK ALT NOT DISTINGUISHABLE FROM REGIONAL ME 75-RCD 080 MIN ZONE ORIENTATION-SEE FIGURES 75-RCD-080-ORE BODY DIMENSIONS ARE FOR EACH OF THE 12 OREBOD DELIMITED ON 1960. EXTENSION DOWN-PLUNGE OF THE MINERALIZED IS 850 METERS. 75-RCD-140-ORE FROM RAPOSOS IS CRUSHED,THEN TRANSPORTED VIA AERIAL CABLEWAY TO THE MORRO VELHO MILL,WHERE IT IS CONCENTR AND REFINED ALONG WITH ORE FROM THE MORRO VELHO MINE(SEQ #

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-84 Unknown U.S. Bureau of Mines

Beyond USGS

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