Fractionation of geochemical twins (Zr/Hf, Nb/Ta and Y/Ho) and HREE-enrichment during magmatic and metamorphic processes in peralkaline nepheline syenites from Norra Kärr (Sweden)
Petya Atanasova, Michael A.W. Marks, Max Frenzel, Jens Gutzmer, Joachim Krause, Gregor Markl
Topics & Concepts
Peralkaline rockGeochemistryGeologyMetamorphic rockFractional crystallization (geology)ZirconNephelineBasaltVolcanoGeological and Geochemical AnalysisGeochemistry and Elemental AnalysisPaleontology and Stratigraphy of Fossils