Tethyan Trench Tethyan Trench The Tethyan Trench was an ancient oceanic trench that existed in the northern part of the Tethys Ocean during the middle Mesozoic to early Cenozoic eras. The Tethyan Trench formed when the Cimmerian Plate was subducting under eastern Laurasia, around 200 million years ago, in the Early Jurassic. The Tethyan Trench extended at its greatest during Late Cretaceous to Paleocene, from what is now Greece to the Western Pacific Ocean. Subduction at the Tethyan Trench probably caused the continents Africa and India to move towards Eurasia, which resulted in the opening of the Indian Ocean. When the Arabian
Podtatrzański Trench glacial periods. The western part and eastern borderlands of the Podtatrzański Trench are forested. The main brooks that drain through the valley are the Czarny Dunajec, as well as the Zakopianka and Poroniec (sourced from the Biały Dunajec). The region is characterised by the settlement areas of Zakopane, as well as Kościelisko, Małe Ciche and Murzasichle. Podtatrzański Trench Podtatrzański Trench (Polish: Rów Podtatrzański; Slovakian: Podtatranská brázda) (514.14) - a mesoregion located below the Tatra Mountains, part of the Orava-Podhale Depression. The trench divides the Choč and Tatra Mountains from the Spisko-Gubałowski Plateau. The region is located between 700 and 1000