Lithochemical investigations of potential apatite resources in the Misværdal and Hopsfjellet ultramafic massifs, northern Norway.
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Background: The Misvær massif, with a surface extension of ca. 8 km2, is situated near the sea, abount 130 km from Glomfjord by boat. Its apatite potential was recognized in 2007 by Norland Mineral, an orgnaisation established and financed by the county administration in Nordland and collaborating with the Geological Survey of Norway (NGU). Yara International ASA was contacted in 2008 for economic support and agreed to finance lithochemical investigations in collaboration with NGU.\rTarget: The ultimate target for the investigations was to define a potential open-pit area exceeding 200 000 km2 and containing rocks with an average grade of minimum 6% P2O5. (...)