Signature of deep mantle melting in South Iceland olivine

• Published in: Contributions to Mineralogy and Petrology
• Main Authors: Nikkola, Paavo, Gudfinnsson, Gudmundur H., Bali, Eniko, Ramo, O. Tapani, Fusswinkel, Tobias, Thordarson, Thorvaldur
• Other Authors: Department of Geosciences and Geography
• Format: Article in Journal/Newspaper
• Language: English
• Published: Springer 2019
• Subjects: Olivine; Trace elements; Mantle heterogeneity; Mantle melting; Iceland; HEIMAEY VOLCANIC CENTER; TRACE-ELEMENT; RECYCLED CRUST; OXIDATION-STATE; PLUME; PERIDOTITE; VARIABILITY; TEMPERATURE; HAWAIIAN; BASALTS; 1172 Environmental sciences; Heimaey
• Online Access: http://hdl.handle.net/10138/302548

We present new high-precision major and trace element data on olivine macrocrysts from various volcano-tectonic settings in Iceland and use these data as a proxy for mantle mode and melting conditions. Within individual sampling sites examined (seven lavas and one tephra) olivine-dominated fractiona...