Thrace Basin basement, comprises interbedded fine to coarse grained clastics from a variety of depositional environments, turbidite, muddy carbonates with local reef developments, river channels and tuffs. More than 400 wells were drilled till 2008; 14 gas and 3 oil fields were discovered and all of them are producing. Main gas productions zones are between Eocene- Oligocene deposits; Hamitabat (turbiditic sandstones), Ceylan (tuffs), Sogucak (reefal limestone), and Osmancik (deltaic sandstone) formations. Shales of Hamitabat and Mezardere formations have good source potentials. Thrace Basin The European side of Turkey is called the Thrace Basin. It is the largest and thickest Cenozoic sedimentary basin
Albanian-speakers of Western Thrace Muslims of Western Thrace and the Christians of Istanbul. Under this provision, the Albanian Orthodox community of Eastern Thrace, was re-accommodated in Western Thrace, where they settled mainly in new and ethnically homogeneous villages built in order to receive the refugees. Today, this population lives in the same villages, but a part emigrated to bigger towns such as Thessaloniki and Athens, making the Albanian language less used. Albanian-speakers inhabit 15 homogeneous and 14 mixed villages: Albanian-speakers of Western Thrace Albanian-speakers form a linguistic minority in Greek Macedonia and Western Thrace along the border with Turkey. They speak the Northern Tosk