Browsing NGU Open Archive by Author "Hansen, Andr. M."
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Litt om Mjøsjøkelen
Hansen, Andr. M. (NGU (37), Journal article, 1903)Forkortet: To the East of lake Mjøsa is at Brummundal an isolated outcrop of \"rhombic-feldspar-porphyry\" accompanied by a red or yellowish sandstone quite unique in Norway. The joint occurrence of these exceptional rocks ...