Blar i NGU Open Archive på forfatter "Kronz, Andreas"
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Norwegian kyanite quartzites - potential resources of high purity quartz?
Müller, Axel; Kronz, Andreas; Wanvik, Jan Egil (NGU-Rapport (2005.039), Report, 2005)Forkortet:\rThis study represents an evaluation of Norwegian kyanite quartzite occurrences as potential deposits of high purity quartz raw material. Kyanite quartzites are rare fine-grained with 70 to 85 vol. % quartz and ... -
Potential resources of quartz and feldspar raw material in Sørland IV: Relationships between quartz, feldspar and mica chemistry and pegmatite type
Müller, Axel; Kronz, Andreas; Ihlen, Peter (NGU-Rapport (2005.075), Report, 2006)Forkortet:\rThe Sveconorwegian pegmatite fields of Froland and Herefoss is located at the western edge of the Bamble terrane in southern Norway. The field comprises different pegmatite types which can be roughly classified ...