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Basert på jordartkart fra I.J. Jansen, 1979/1980
Rapporten summerer opp mål og produkter av berggrunnskatlegging prosjektet i Kongsberg-Modum-Hønefoss området, som ble utført på NGU mellom 2010 og 2018.
Rare Earth Elements (REE) are metals that are classified as critical for the European industry. They are fundamentally important in the manufacturing of HiTech and green technology products. Today almost the total world REE-mining is controlled by China. REE deposits in Europe are few and none of them are in production. The Fe-dolomite carbonatites (“rauhaugites”) in the Fen Carbonatite Complex in Telemark, Norway, has for some years been known to host abundant REE-minerals.