Complex sentence: Orogeny affected the area at the end of Paleogene and in the begining of Neogene in so called Savian phase, outher portion was also affected by Styrian phase which caused partial thrusting over the foredeep.
Split into simpler sentences: Orogeny affected the area at the end of Paleogene and in the begining of Neogene in so called Savian phase. Outher portion was also affected by Styrian phase which caused partial thrusting over the Foredeep.