Paleomagnetic Constraints on the Tectonic Evolution of the Upper Cretaceous magmatic arc rocks in Western Pontides, Türkiye and Srednogorie, Bulgaria

North Anatolia is defined by a magmatic arc which occurred as a result of the subduction of the Late Cretaceous Neotethys ocean under the Pontides. This arc shape is 2700 km long, and can be observed from the Lesser Caucasus on the southern edge of Eurasia to the Apuseni, Banat, Timok, Srednogorie line along the northern edge of the Pontides. The paleolatitude of the Pontide volcanic belt was the aim several studies that pointed to a position of 28°N-24°N, while paleomagnetic rotations were interpreted with either by an oroclinal bending model or the excursion of Anatolia to the west. In the Balkans, however, Middle Triassic and Jurassic rocks showed no rotation or remagnetization in several areas. This study depend of the paleomagnetic results from the Upper Cretaceous İğneada Group in the northernmost part of the Western Pontides, Turkiye and the Burgas groups rocks outcropped in the Srednogoria belt in Bulgaria. The results showed that the arc type rocks were remagnetized in localy areas due to hydrothermal alteration associated with Cu-Au mineralization. The paleolatitudes obtained from both volcanic and sedimentary rocks, on the other side, were compared with the results from the Pontide magmatic arc.