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
Thrace Foundation June 2009, a large team from the Thrace Foundation and Russia’s State Museum of Eastern Art presented an exhibition titled "The Salvaged Treasures of Ancient Thrace" in Moscow, which featured elements from the Vassil Bojkov Collection. The exhibition was part of "Тhe Year of Bulgaria in Russia" initiative and was held under the patronage of Russia’s and Bulgaria’s Ministries of Culture. This exhibition was the first public event of the new Bulgarian Union of Private Collectors. The organisation was established in March 2010, with Professor Valeri Stefanov as its chair. Sofia’s National Gallery of Foreign Art unveiled the exhibition on