The rock at Løvøya is the famous Permian magmatic rock nepheline syenite. Slow cooling and subsequent crystallization, allowed large crystals to form from the melt.
The result is a coarse grained variety of the nepheline syneite, a pegmatite, which may contain rare minerals.
At Løvøya you can see the world’s type locality for thorite and the element thorium. All thorium has been removed from the site, due to mining.
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Gea Norvegica Geopark is the first European Geopark in Scandinavia. It is located in southeastern Norway, in the counties of Vestfold and Telemark.
The Geopark is limited by the administrative areas of the muncipalities Kragerø, Bamble, Porsgrunn, Skien, Siljan, Nome, Lardal and Larvik