1.1 değerleri ile peralumino karakter ve lökokratik bileşim, S-tipi granitoyidlere ve Kıta İçi Magmatik (WPG) kökene işaret etmektedirler. Afyon Metamorphites are dominantly composed of sedimentary lithologies which are subdivided into two groups as Lower and Upper Metamorphites. They are unconformably overlain by the Anatolian Carbonate Platform of Middle / Upper Devonian to Upper Permian age. The Lower Metamorphite includes Doğanlar schist, Çakmak quartzite and Sandıklı porphiroid (felsic metavolcanites). On the other hand, the Upper Metamorphite is made of Deliktaş metaconglomerate, Ballıca phyllite and İscehisar marble. The felsic metavolcanites in the Afyon Metamorphites include two rock types. According to their mineralogical-petrographical properties meta-tuffs and meta-rhyolites can be identified. The felsic metavolcanites are located in Alaca hill and Bozcal village at the southwest of Afyon. They exhibit similar metamorphism, mineralogical-petrographical and geochemical features with the Sandıklı porphiroid in the west part of Sandıklı area. It is accepted that the Sandıklı porphiroid and felsic metavolcanites in the Afyon Metamorphites are derived from anatexitic material which affected the Lower metamorphite. They were later regionaly folded as a result of a second metamorphism which affected the Upper Metamorphite. Cataclastic deformations that occurred during the latest stages of regional foliation transformed the felsic metamorphites into mylonite, protomylonite and blastomylonlte. . Geochemical results indicate that the felsic metavolcanites have high $SiO_2$ content (% 73-79), normative corundum (c), A/CNK > 1.1 value, peraluminous character and leucocratic aspect S-type granitoid and within-plate magmatism (WPG) origin. ">