Almandine Garnet in Calc-alkaline Volcanic Rocks of the Northern Pannonian Basin (Eastern–Central Europe): Geochemistry, Petrogenesis and Geodynamic Implications

Abstract

of the Pannonian Basin and the tensional stress field may have Almandine garnet-bearing andesites and dacites occur frequently in enhanced their fast ascent from lower-crustal depths, allowing the Neogene calc-alkaline volcanic series of the northern Pannonian preservation of early-formed almandine phenocrysts. Basin (Hungary and Slovakia). They were erupted during the early stage of volcanism and occur along major tectonic lineaments. On the basis of petrographic and geochemical characteristics, garnets from these rock types are classified into (1) primary phases,