Spinel-peridotite xenoliths from Kapfenstein (Graz Basin, Eastern Austria): A geochemical and petrological study
作者： O. Vasellil , H. Downes , M. F. Thirlwall , R. Vannucci , N. Coradossi
DOI: 10.1007/BF01161620
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摘要: Ultramafic xenoliths from the basaltic tuff of Kapfenstein (Graz Basin) are mainly protogranular and protogranular- to- porphyroclastic spinel lherzolites. In addition to these common rocks, a coarse-grained harzburgite heterogeneous peridotite consisting clinopyroxene-poor clinopyroxene-rich lherzolite have been found. Interstitial amphiboles (pargasite kaersutite) present in most xenoliths. The magmatic activity which brought surface is part Plio-Pleistocene extension-related alkali basalt volcanism took place Carpatho-Pannonian Region, post-dating subduction-related calc-alkaline formed Inner Carpathian arc.
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