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
Turks of Western Thrace of Turkey, and could not be used to describe citizens of Greece; the use of the word 'Turkish' to describe Greek Muslims was held to endanger public order. This led to about 10,000 people demonstrating against the decision in Western Thrace. According to members of the Turkish minority, it was the first time ethnic Turks had taken to the streets. More than 10 newspapers are issued in the Turkish language. According to some sources, newspapers, magazines and books published in Turkey are not allowed entry into Western Thrace, and Turkish television and radio stations are sometimes jammed. According to other