Isotopic evolution of prehistoric magma sources of Mt. Etna, Sicily: Insights from the Valle Del Bove

Mount Etna in NE Sicily occupies an unusual tectonic position in the convergence zone between the African and Eurasian plates, near the Quaternary subduction-related Aeolian arc and above the downgoing Ionian oceanic slab. Magmatic evolution broadly involves a transition from an early tholeiitic pha...

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Veröffentlicht in:Contributions to mineralogy and petrology 2021-07, Vol.176 (7)
Hauptverfasser: Kempton, P., Spence, A., Downes, H., Blichert-Toft, Janne, Bryce, J., Hegner, E., Vroon, P.
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Sprache:eng
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Zusammenfassung:Mount Etna in NE Sicily occupies an unusual tectonic position in the convergence zone between the African and Eurasian plates, near the Quaternary subduction-related Aeolian arc and above the downgoing Ionian oceanic slab. Magmatic evolution broadly involves a transition from an early tholeiitic phase (~500 ka) to the current alkaline phase. Most geochemical investigations have focussed on Declarations Funding: JBT acknowledges financial support from the French Agence Nationale de la Recherche (grant ANR-10-BLAN-0603 M&Ms-Mantle Melting-Measurements, Models, Mechanisms) Conflicts of interest/Competing interests: not applicable Availability of data and material (data transparency): All new data are provided in tables presented in this paper Code availability (software application or custom code): Not applicable Authors' contributions: HD conceived and designed the study. Material preparation was performed
ISSN:0010-7999
1432-0967
DOI:10.1007/s00410-021-01804-6