Drill cores
NGU's drill core archive: locations where drill cores have been taken for bedrock, natural stone, metals and industrial minerals. An overview at long range, and individual cores when you zoom in. Source: Norges geologiske undersøkelse (NGU). Included in 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, sub-layers and what a click on the map shows are described under Drill cores.

Update frequency: Real time.