Abstract
Mt. Amiata, a Pleistocene volcanic complex in south Tuscany consists
mainly of silicic (62-67 wt.% Si02) lavas and domes, many of which
contain abundant metamorphic and mafic igneous inclusions. The results
of a detailed geochemical and petrological study indicate a bimodal
magmatic system where magma-mixing and wall-rock assimilation were the
main pre-eruptive processes in a
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