Authors
N Calanchi, Angelo Peccerillo, CA Tranne, F Lucchini, PL Rossi, P Kempton, Maurizio Barbieri, TW Wu
Publication date
2002/6/30
Journal
Journal of Volcanology and Geothermal Research
Volume
115
Issue
3-4
Pages
367-395
Publisher
Elsevier
Description
Major, trace element and radiogenic isotope (Sr, Nd, Pb) data are reported for a suite of rocks from the Panarea volcano, a large structure that is largely hidden below sea level and outcrops only as a group of small islands between Lipari–Vulcano and Stromboli in the eastern Aeolian arc. The exposed rocks mostly consist of high-potassium calc-alkaline (HKCA) andesites, dacites and some rhyolites; shoshonitic basalts have been collected from submarine centres; mafic calc-alkaline (CA) rocks occur as thin layers of late-erupted strombolian scoriae. Major and trace element data are scattered, but define generally linear trends on inter-element diagrams; Sr-isotope ratios do not display significant increase with evolution, although rough positive trends of 87Sr/86Sr versus SiO2 and Rb/Sr can be recognised within some units. The mafic rocks display varying enrichment in potassium, from CA to shoshonitic …
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