STRATI 2013 pp 603-607 | Cite as

Harmonising the Swiss Lithostratigraphic Nomenclature

  • Stefan StraskyEmail author
  • Alain Morard
  • Reto Burkhalter
  • Andreas Möri
Conference paper
Part of the Springer Geology book series (SPRINGERGEOL)


After more than 80 years of traditional geological map production for the 1:25,000-scale Geological Atlas of Switzerland, 143 printed sheets with equivalent legends of this map series exist. During the last few decades, the Swiss Geological Survey has spent considerable effort on converting the existing map sheets into Geographic Information System (GIS) datasets. By means of an initiative of the Swiss Geological Survey, other federal departments and several cantons, the published Atlas maps were completed with compiled geological GIS maps of lower quality, in order to make GIS maps available for the whole of Switzerland. However, each of the 220 available GIS maps has its individual lithostratigraphic legend. In this work, we present the HARMOS project, which aims to harmonise the multiple existing map legends and to elaborate a lithostratigraphic standard legend, including harmonised descriptions, for Swiss geological maps at a scale of 1:25,000. The project involves 40 recognized experts in stratigraphy. A close collaboration with and quality control by the Swiss Committee on Stratigraphy assures the required quality for broad acceptance. Preliminary results indicate that the application of the elaborated lithostratigraphic map legend to GIS datasets remarkably increases the value of the geological data. This confirms the idea that the new lithostratigraphic standard legend will provide a fundamental base for a future seamless, semantically harmonised, nationwide geological GIS map of Switzerland.


Lithostratigraphy Nomenclature Geological maps GIS Switzerland 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Stefan Strasky
    • 1
    Email author
  • Alain Morard
    • 1
  • Reto Burkhalter
    • 1
  • Andreas Möri
    • 1
  1. 1.Federal Office of Topography SwisstopoSwiss Geological SurveyWabernSwitzerland

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