Main geology

The geological history is long and fascinating. There is every reason to learn more about it and to preserve the evidence of the different worlds represented in the geopark area.

Istider

The landscape we see today was shaped by glaciers, and the soil we live on and cultivate was formed during and after the last Ice Age.

Grenlands geology

In Grenland, there are rocks from several important periods in Norway’s geological history

Larvikitt

Larvikite is well known throughout the world, as it is a very popular ornamental exterior stone used in building facades

Rombeporfyr

The rhomb porphyries were lavas that flowed out nearly 300 million years ago and covered the area from Skien to Mjøsa

Fensfeltet