Browsing Geologi by Author "de La Cruz Rodrigues, Erika Helena"
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de La Cruz Rodrigues, Erika Helena (Master thesis / Masteroppgave, 2021)Abstract In the Kragerø area in South Norway, tourmaline is commonly found in Sveconorwegian Nb-Y-F pegmatites. In general, magmatic tourmaline is rare in Nb-Y-F pegmatites. The local tourmaline enrichment in the Kragerø ...