Bedrock, derived maps, NiN
Derived bedrock maps from NGU for Natur i Norge: a forecast of the lime content in the bedrock and the distribution of ultramafic rocks. Lime-rich and ultramafic ground gives distinctive vegetation and is a basis for habitat type mapping. Source: Norges geologiske undersøkelse (NGU). Part of Placepoint's map layer for Geology.
How the dataset is shown on the map
The dataset is part of the Geology map layer. The screenshot, the sub-layers and what a click on the map shows are described under Bedrock, derived maps, NiN.

Update frequency: when the source changes.