Citation: R. Punturo et V. Scribano, Ultracoarse clinopyroxenites, websterites and phlogopitebearing lherzolite xenoliths from Valle Guffari (Buccheri, Sicily): petrographical and mineralogical daata, Acta vulcanologica AV. Acta vulcanologica , 10(1), 1998, pp. 77-81