Geological Survey and Mines Bureau

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Mapping

Cartography


A major function of the Geological Survey and Mines Bureau (GSMB), as mandated by its Act, is to prepare and publish different types of geological maps of the country. Its Cartography Unit is one of the main supporting branches.

Twenty-one maps, titled ‘SRI LANKA 1:100,000 Geology (Provisional Series)’ cover the entire land area of the country. Of these, a composite of seven maps at 1:250 000 scale was published under the sponsorship of the British Geological Survey in 1994 and another fourteen maps published under Australian finance and technical assistance (AusAID) in 1999. The remaining seven maps were completed and published through in-house expertise.

 

 


As of now, the Cartography unit has completed the following maps.

 

SRI LANKA 1:50,000 Quaternary Geology (Provisional Series)


  • Matara (Sheet 91) – 2009
  • Balapitiya – Ambalangoda (Sheets 85-86) – 2012
  • Kalutara (Sheet 73) – 2012

 


1:250 000 scale Provisional Geology 2016
  • Sri Lanka 1:250 000 Geology (North-West Quadrant of Sri Lanka)
  • Sri Lanka 1:250 000 Geology (North-West Quadrant of Sri Lanka)
  • Sri Lanka 1:250 000 Geology (North-East Quadrant of Sri Lanka)
  • Sri Lanka 1:250 000 Geology (South- West Quadrant of Sri Lanka)
  • Sri Lanka 1:250 000 Geology (South- East Quadrant of Sri Lanka)



SRI LANKA PROVINCIAL MINERAL MAPS Series

  • CENTRAL PROVINCE (1:50,000) – 2016




Available GIS software

  • Arc GIS - ver9.2
  • Microstation –V8XM Edition
  • Arcview –Version 3.2
  • MapInfo- Professional 5.5

Equipments

  • Calcomp Drawing board vi digitizers
  • HP Designjet 4500 scanner
  • HP Design jet Plotter (A0)
  • Lexmark C935 Colour Printer (A3)

 

 

Last Updated ( Wednesday, 03 April 2019 05:52 )  

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