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Serra Branca

Plant in Goias, 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. Workings at the site
  12. Links to other databases
  13. Reporter information

Geologic information

Identification information

Deposit ID 10182632
MAS/MILS ID 3510170019
Record type Site
Current site name Serra Branca
Alternate or previous names Sao Raimundo

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -48.06577, -13.61444 (WGS84)

Site location context

Political divisions (FIPS codes)

Goias(province)

Brazil(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Brazil Goias

Commodities

Commodity Importance
Tin Critical Primary

Nearby scientific data

Ore Body (1) -48.06577, -13.61444
ListMap

Economic information

Ore body information

  • Depth to top 0M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 OTHER
    Minimum Depth to Top 0
    Date of Last Modification 850816
  • Thickness 3M
    Depth to top 1M
    Field Value
    Degree of Wallrock Alter. NONE
    Minimum Depth to Top 1
    Avg. Thick. Unconsol. Mat. 1
    Min. Thick. Unconsol. Mat. 1
    Date of Last Modification 850816

Comments on the geologic information

  • GREISENIZATION IS A COMMON ALTERATION OF GNEISSES WITH ALBITIZATION, KAOLINIZATION AND FINALLY LATERIZATION

Economic information about the deposit and operations

Operation type Surface
Development status Plant
Commodity type Metallic
Significant Yes
Discovery year 1970
Mining method Open Pit
Year of first production 1986
Plant type Beneficiation (Mill)
Plant subcategory Gravity
Milling method Gravity

Ownership information

  • Type Owner-Operator
    Owner Mineracao Gondwana S. A.
    Interest 100
    Home office Brazil
    Year 1982

Production statistics

  • Year 1997
    Period 1993 Thru 1997
    Accuracy Estimate
    Description Mt Ore/Yr 1993 Thru 1997 100000 Mt Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tin Tin 100000mt
  • Year 1998
    Accuracy Estimate
    Description Mt Ore/Yr 1998 51700 Mt Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tin Tin 51700mt

Comments on the production information

  • RECOVERY IS AN ESTIMATE. MINED AS CASSITERITE BUT ASSAYED AS SN (ELEMENTAL)

Comments on the reserve resource information

  • 1-89 RESOURCE 551,700 MT BASED ON PRIOR ETD.

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
    Avg. Overburden Thickness 1
    Primary Material Cover M-HARD ROCKS
    Percentage 80
    Secondary Material Cover SAND, GRAVEL
    Percentage 20
    Avg. Bench Height (meters) 10
    Capacity 300
    Capacity Units MT ORE/DAY
    Unit Production Cost 12.6
    Units of Production $/MT ORE
    Operating Shifts per Day 2
    Year of Information 1982
  • Type of workings Surface
    Field Value
    MAS Development Schedule # 2
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Capacity 333
    Capacity Units MT ORE/DAY
    Unit Production Cost 12.6
    Units of Production $/MT ORE
    Operating Days per Year 300
    Operating Shifts per Day 1
    Year of Information 1989

Comments on other economic factors

  • THE DREDGE IS A BUCKET LINE WITH A DIGGING DEPTH OF ABOUT 8 METERS. THERE IS AN ON-BOARD JIG PRIMARY GRAVITY CONCENTR ATION PLANT THAT ARE POWERED BY DIESEL POWER GENERATION
  • RECORD 1 FEED FROM 1980-1981,REC 2 FROM 1982-1988
  • SITE HAS BEEN DRILLED BUT NO DECISION TO DEVELOP HAS BEEN MADE (AS OF 1982 PROFILE REPORT)
  • CONCENTRATE IS TRANSPORTED TO THE MAMORE SMELTER IN SAO PAULO. AN OVERALL DISTANCE OF 3100 KM AT A COST OF $135.46 PER METRIC TON ($JAN 82)
  • MILL WOULD UTILIZE FLOTATION AND GRAVITY METHODS TO PRODUCE ES BOTH K1 AND K2 ON A PER T OF ORE BASIS. THE K2 CON GRADE IS REPORTED AS 64.9 PCT SN FOR 1980 AND 81 BUT DROPS TO 61 TO 61 THRU 1988.

Reference information

Reporter information

Type Date Name Affiliation Comment
Reporter 11-DEC-1992 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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