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Physical Sciences and Mathematics Commons

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Earth Sciences

TÜBİTAK

2011

Tethys

Articles 1 - 2 of 2

Full-Text Articles in Physical Sciences and Mathematics

Great Caucasus (Cavcasioni): A Long-Lived North-Tethyan Back-Arc Basin, Shota Adamia, Victor Alania, Aleksandre Chabukiani, Zurab Kutelia, Nino Sadradze Jan 2011

Great Caucasus (Cavcasioni): A Long-Lived North-Tethyan Back-Arc Basin, Shota Adamia, Victor Alania, Aleksandre Chabukiani, Zurab Kutelia, Nino Sadradze

Turkish Journal of Earth Sciences

The Great Caucasus is a northwest-southeast-directed mountain range more than 1100 km long, located between the Black Sea and Caspian Sea. It represents an intracontinental tectonic system resulting from the Late Cenozoic structural inversion of a Palaeozoic-Mesozoic-Early Cenozoic back-arc basin (Dizi basin) in response to the convergence of the Africa-Arabian and Eurasian lithospheric plates. It is bounded to the south by the Transcaucasian massif, a palaeo-island-arc, and to the north by the Scythian platform. The Great Caucasus fold-and-thrust mountain belt is characterized by complete, intensive folding, mainly south vergent imbricated thrusting, close-joint cleavage etc. Structural relationships of the Great Caucasian …


The Role Of The Palaeogene Adriatic Carbonate Platform In The Spatial Distribution Of Alveolinids, Katica Drobne, Vlasta Cosovic, Alan Moro, Damir Buckovic Jan 2011

The Role Of The Palaeogene Adriatic Carbonate Platform In The Spatial Distribution Of Alveolinids, Katica Drobne, Vlasta Cosovic, Alan Moro, Damir Buckovic

Turkish Journal of Earth Sciences

Sediments of the Palaeogene Adriatic carbonate platform, a distinctive palaeogeographic unit, are today exposed along the eastern Adriatic coast for a distance of 800 km and a width of 100-130 km. The large number of identified alveolinid species (69) from the Early Ypresian (Ilerdian) to the Bartonian record the dynamics of their evolution, with emphasis on the following: (1) great species diversity and great abundance in the middle Ilerdian (SBZ 7-8) followed by a sharp decline in occurrences at the Ilerdian/Cuisian transition; (2) a diversity boom in the late Ypresian (late Cuisian, SBZ 11-12) and (3) an abrupt decrease in …