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  3. Mineral Resource Data System (MRDS)

Sao Francisco

Plant in Mato Grosso, Brazil with commodity Tin
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Warning: This record lacks important information: bibliographic references, which we consider necessary for a comprehensive report.
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Ore body information
  8. Economic information about the deposit and operations
  9. Ownership information
  10. Production statistics
  11. Reserves and resources
  12. Workings at the site
  13. Links to other databases
  14. Reporter information

Geologic information

Identification information

Deposit ID 10134413
MAS/MILS ID 3510210003
Record type Site
Current site name Sao Francisco

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -61.44937, -9.28126 (WGS84)

Site location context

Political divisions (FIPS codes)

Mato Grosso(province)

Brazil(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Brazil Mato Grosso

Comments on the location information

  • LOCATED IN RONDONIA TIN PROVINCE WHICH IS IN NORTHERN MATO GRASO STATE

Commodities

Commodity Importance
Tin Critical Primary

Nearby scientific data

Ore Body (1) -61.44937, -9.28126
ListMap

Economic information

Ore body information

  • Field Value
    Type of Orebody #1 PLACER
    Primary mode of Origin SEDIMENTATION
    Degree of Wallrock Alter. NONE
    Date of Last Modification 850808

Economic information about the deposit and operations

Operation type Surface
Development status Plant
Commodity type Metallic
Significant Yes
Mining method Coal Mining Methods - Hydraulic
Year of first production 1975
Plant type Beneficiation (Mill)
Plant subcategory Gravity
Milling method Gravity

Ownership information

  • Type Unknown
    Owner Mineracao Aripuana S/A
    Year 1989

Production statistics

  • Year 1975
    Description Mt Ore/Yr 417100 Mt Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tin Tin 417100mt
  • Year 1976
    Description Mt Ore/Yr 549500 Mt Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tin Tin 549500mt
  • Year 1977
    Description Mt Ore/Yr 1568000 Mt Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tin Tin 1568000mt
  • Year 1978
    Description Mt Ore/Yr 2339000 Mt Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tin Tin 2339000mt
  • Year 1979
    Description Mt Ore/Yr 2880000 Mt Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tin Tin 2880000mt
  • Year 1980
    Description Mt Ore/Yr 2471000 Mt Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tin Tin 2471000mt
  • Year 1981
    Description Mt Ore/Yr 2495000 Mt Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tin Tin 2495000mt
  • Year 1984
    Period 1982 Thru 1984
    Description 1750000 Mt Ore/Yr 1982 Thru 1984 Mt Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tin Tin 1750000mt
  • Year 1985
    Description Mt Ore/Yr 1492700 Mt Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tin Tin 1492800mt
  • Year 1986
    Description Mt Ore/Yr 1000700 Mt Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tin Tin 1000700mt
  • Year 1987
    Description Mt Ore/Yr 987900 Mt Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tin Tin 987900mt
  • Year 1988
    Description Mt Ore/Yr 714100 Mt Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tin Tin 714100mt
  • Year 1989
    Description Mt Ore/Yr 750000 Mt Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tin Tin 750000mt
  • Year 1990
    Description Mt Ore/Yr 750000 Mt Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tin Tin 750000mt
  • Year 1991
    Description Mt Ore/Yr 495500 Mt Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tin Tin 495500mt

Comments on the production information

  • GRADES EXPRESSED ARE AS SN METAL
  • THE MILL CAPACITY WAS 750000
  • PROPERTY BOUGHT IN 1974 AND BEGAN PRODUCTION IN 1975.

Reserves and resources

  • Type In-situ
    Estimate year 1989
    Indicated 2101000mt ore
    Demonstrated 2101000mt ore
    Total resources 2101000mt ore
    Commodity Subtype Grade units Group Importance Year
    Tin Sn 0.034 wt-pct Tin Major 1989

Comments on the reserve resource information

  • SIMILAR TO THE BOLIVIAN COMPANIES, CALCULATED RESERVES FOR THIS DEPOSIT ARE PROBABLY UNDERRATED. IT IS ASSUMED THAT THIS MINE WILL RUN FOR A WHILE LONGER.
  • 1-89 RESOURCE 2,100,500 MT UPDATED PER CRU INFORMATION.

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ACTUAL
    Mining Method HYDRAULICKING
    Primary Material Cover SAND, GRAVEL
    Percentage 100
    Hardness of Ore SAND, GRAVEL
    Unit Production Cost 1.88
    Units of Production $/MT ORE
    Operating Days per Year 300
    Operating Shifts per Day 3
    Year of Information 1982
  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method ACTUAL
    Mining Method DREDGING

Comments on other economic factors

  • FEED GRADE DROPPED IN 1982

Reference information

Reporter information

Type Date Name Affiliation Comment
Reporter 06-FEB-1995 Sager, Ron U.S. Bureau of Mines

Beyond USGS

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

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