The data set is based on grain size distribution and indicates how easy it is to excavate an area and the expected stability of excavated areas.

Specific usage

This data set can be used as basis for decision making in the overall land use and environmental planning, in connection with installations on the seabed etc.


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Contact information

Logo Norges geologiske undersøkelse

Contact metadata:
Janne Grete Wesche, janne.wesche@ngu.no – Geological Survey of Norway

Contact owner:
Sigrid Elvenes, Sigrid.Elvenes@ngu.no – Geological Survey of Norway

Contact publisher:
Aave Lepland, Aave.Lepland@ngu.no – Geological Survey of Norway


Spatial representation: Vector

  • FGDB 10.2
  • Shapefile 10.2
  • SOSI 4.5

Distribution type: External download site

Reference systems:
  • EUREF89 UTM sone 32, 2d
  • EUREF89 UTM sone 33, 2d
  • EUREF89 UTM sone 35, 2d
  • WGS84 UTM sone 32, 2d
  • WGS84 UTM sone 33, 2d
  • WGS84 UTM Zone 35, 2d
  • WGS84 Geografisk


Use limitations: The level of detail in the data set indicates use within the map scale: 1: 5,000 to 1: 50,000

Access constraints: Open data

Use constraints: License

Licence: Norsk lisens for offentlige data (NLOD)


The data set covers only certain areas in Norwegian fjords and seas near the coast. The data set contains areas that have been mapped at different levels of detail.