Abstract
In the Late Cenozoic West Carpatian alkali olivine basalts spinel peridotite xenoliths have been found. Their mineral composition corresponds to those found in this type of xenoliths in alkali basalts throughout the world (Mg-rich olivine, Cr-diopside, clinopyroxene, spinel). For the studied West Carpathian alkali olivine basalts kaersutite amphibole and clinopyroxene magacrysts are characteristic. The presence of the xenoliths under consideration in the boundary zone between Tatra and Pannonian blocks is the consequence of tectonic conditions (thickness of the Crust) in the area mentioned as distinct from the other West Carpathian areas of alkali olivine basalt occurrences.
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Hovorka, D., Fejdi, P. Spinel peridotite xenoliths in the West Carpathian late cenozoic alkali basalts and their tectonic significance. Bull Volcanol 43, 95–106 (1980). https://doi.org/10.1007/BF02597614
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DOI: https://doi.org/10.1007/BF02597614