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On average, the hematite ore contains approx. 2 kg thorium per tonne. That means about 8 kg per m2 of solid rock. About 5 kg thorium per tonne of ore has
been registered at the edge of the deposit. The area shown by the white ellipse probably has the world’s largest deposits of thorium and REE.
The marine sediments, marked in grey, form a shield against
radiation. Boundaries of mining rights and claims. Terrain profile data: Norwegian Mapping and Cadastre Authority (NMCA) and NGU. Produced by Norfilm. Fensfeltet is unlike any other mineral field in the world. About
5 kg thorium per tonne of ore has been registered in certain areas of the deposit. On average, the hematite ore contains approx. 0.2% thorium, 4% REE and 50% iron. The most interesting ore zone with regard to
thorium has an area of about 2-3 km2 and it becomes wider at deeper levels. Rich ore veins have also penetrated 1-2 km into the surrounding rocks. There are probably over 1000 000 tonnes of thorium in the Fen area.
With a market price of USD 140 000 per tonne, the thorium alone is valued at USD 140 billion. Nevertheless, thorium will be a by-product when mining operations start at Fensfeltet.
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