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

Sao Lourenco

Producer in Rondonia, Brazil with commodity Tin
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Economic information about the deposit and operations
  8. Ownership information
  9. Production statistics
  10. Workings at the site
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10279698
MAS/MILS ID 3510390015
Record type Site
Current site name Sao Lourenco

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -65.03275, -9.44796 (WGS84)

Site location context

Political divisions (FIPS codes)

Rondonia(province)

Brazil(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Brazil Rondonia

Commodities

Commodity Importance
Tin Critical Primary

Nearby scientific data

Ore Body (1) -65.03275, -9.44796
ListMap

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Producer
Commodity type Metallic
Significant Yes
Discovery year 1970
Mining method Coal Mining Methods - Hydraulic
Year of first production 1974
Milling method Gravity

Comments on exploration

  • SMELTER RECOVERY IS EST AT APPROX 98 PCT.

Ownership information

  • Type Owner-Operator
    Owner Mineracao Oriente Novo S. A.(Monsa)And Cia Of The Best Gp
    Interest 100
    Year 1982

Comments on the ownership information

  • 1.5% ROYALTY TO CIA OF THE BEST GROUP. MONSA IS A SUBSIDIARY OF EMPRESAS BRUMADINHO(BRUMADINHO GROUP)

Production statistics

  • Year 1974
    Description Mtons That Follow Rep. Annual Ore Prod.. 666600 Mt
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tin Tin 666600mt
  • Year 1975
    Description 1634299 Mt
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tin Tin 1634299mt
  • Year 1976
    Description 2150700 Mt Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tin Tin 2150700mt
  • Year 1977
    Description 2494000 Mt
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tin Tin 2494000mt
  • Year 1978
    Description 2665899 Mt
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tin Tin 2665899mt
  • Year 1979
    Description 2261799 Mt
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tin Tin 2261799mt
  • Year 1980
    Description 2375299 Mt
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tin Tin 2375299mt
  • Year 1981
    Description 2517500 Mt
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tin Tin 2517500mt
  • Year 1982
    Description 2468000 Mt
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tin Tin 2468000mt

Comments on the reserve resource information

  • ALTHOUGH NOT QUANTIFIED THERE IS EXCELLENT OPPORTUNITY FOR ADDITIONAL RESOURCES.
  • 1 BUCKET DREDGE AND 1 GRAVEL PUMP.
  • DREDGE RESERVES EXPECTED TO LAST FOR ANOTHER 4 YRS (WTD89)

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method HYDRAULICKING
    Primary Material Cover SAND, SILT
    Percentage 50
    Secondary Material Cover SAND, GRAVEL
    Percentage 50
    Capacity 8300
    Capacity Units MT ORE/DAY
    Unit Production Cost 2.36
    Units of Production $/MT ORE
    Operating Days per Year 300
    Operating Shifts per Day 2
    Year of Information 1982

Comments on other economic factors

  • HYDRAULIKING IS CONSIDERED THE SAME AS GRAVEL PUMP OPERATION. GRAVEL PUMP OPERATION REQUIRES 14 EMPLOYEES. CONCENTRATE IS BAGGED AT TIN SHED AND TRUCKED TO THE BERA SMELTER IN SAO PAULO, BRAZIL.
  • FEED GRADE FROM 1974 TO 1981 WAS SLIGHTLY HIGHER.
  • SMELTER OP COST ESTIMATED AT $163.00 PER MT OF CONCENT.

Reference information

Bibliographic references

  • Deposit

    BETTENCOURT, J.S. BRAZILIAN TIN DEPOSITS AND POTENTIAL;

  • Deposit

    FIFTH WORLD CONFERENCE ON TIN, KUALA LAMPUR; OCTOBER 1981,

  • Deposit

    PAPER 3 (II); INTERNATIONAL TIN COUNCIL, LONDON.

  • Deposit

    2) MATTHEWS, P.F.P.- TIN MINERALIZATION IN CENTRAL GOIAS

  • Deposit

    , BRAZIL. MINING MAGAZINE, LONDON, JUNE 1982, PP461-467

Reporter information

Type Date Name Affiliation Comment
Reporter 21-SEP-1992 Unknown 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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