Intra-Grain Sr Isotope Evidence for Crystal Recycling and Multiple Magma Reservoirs in the Recent Activity of Stromboli Volcano, Southern Italy. - FRANCALANCI, LORELLA; DAVIES, GARETH R.; LUSTENHOUWER, WIM; TOMMASINI, SIMONE; MASON, PAUL R. D.; CONTICELLI, SANDRO (Journal of Petrology, 2005)