Blar i Artikler på forfatter "Karlsen, Tor Arne"
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Economic potential of potassic feldpar-rich gneisses in Tysfjord/ Hamarøy, northern Norway
Karlsen, Tor Arne (NGU Bulletin (436), Journal article, 2000)Potassic feldspar gneiss in the Tysfjord\/Hamarøy area may be potential resource for future exploitation. The rock consists primarily of microcline (up to 84%) and quartz (up to 35%) together with small amounts of plagioclase ... -
Neotectonics in the Ranafjorden area, northern Norway
Olsen, Lars; Skogseth, Terje; Olesen, Odleiv; Gjelle, Svein; Henkel, Herbert; Karlsen, Tor Arne (NGU Bulletin (427), Journal article, 1995) -
Overwiew of talc resources in the Altermark talc province, northern Norway, and possible uses of the talc ore
Karlsen, Tor Arne; Olesen, Odleiv; Rian, Edvin (NGU Bulletin (436), Journal article, 2000)Active prospecting during the past 10 years has proved that the Altermark area contains much more talc than previously recognised in the Nakkan-Esjeklumpen area, 10 M tonnes or more of talc-carbonate ore are probably ...