Thrace Basin Thrace Basin The European side of Turkey is called the Thrace Basin. It is the largest and thickest Cenozoic sedimentary basin in Turkey. The basin is triangular shaped, trends WNW-ESE and was formed by extension in late Middle Eocene to latest Oligocene times. This gas prone basin is located northwest of Istanbul, Turkey. About 9,000 meters of Eocene-Miocene marine clastics and continental sediments were deposited. Several basement faults were reactivated and underwent strike-slip motion in late Miocene times where the famous North Anatolian Fault bounds the southern part of the basin. The Cenozoic sedimentary succession, overlying Paleozoic to Mesozoic metamorphic
Turkey by neighbouring peoples was the state of the Armenian Orontid dynasty, which included parts of eastern Turkey beginning in the 6th century BC. In Northwest Turkey, the most significant tribal group in Thrace was the Odyrisians, founded by Teres I. All of modern-day Turkey was conquered by the Persian Achaemenid Empire during the 6th century BC. The Greco-Persian Wars started when the Greek city states on the coast of Anatolia rebelled against Persian rule in 499 BC. The territory of Turkey later fell to Alexander the Great in 334 BC, which led to increasing cultural homogeneity and Hellenization in the