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Mainly high-K, calc-alkaline, Late Miocene to Pliocene volcanic rocks cropped out of Konya area in Central Anatolia, Turkey. The volcanic rocks are predominantly andesitic to dacitic in composition and rarely basalt, basaltic andesite, basaltic trachyandesite and pyroclastics. Mineralogic compositions, major, trace and REE element composition of the investigated rock samples was analyzed. Kaolinite, illite, Ca-montmorillonite, alunite, jarosite, minamiite and silica polymorphs were formed by widespread and intense...