Blar i NGU-publikasjoner på forfatter "Rosenqvist, Ivan Th."
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Kaolin fra Hurdal.
Rosenqvist, Ivan Th. (NGU (183), Journal article, 1952)In Hurdal, 60 km NNE of Oslo, there are deposits of a light clay, originating from the decomposition of syenite. Samples from two localities have been investigated and by differential thermal analysis (Diagram fig. 3) ...