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
Diamantina, Minas Gerais the following municipalities: Diamantina, Datas, Felício dos Santos, Gouveia, Presidente Kubitschek, São Gonçalo do Rio Preto, Senador Modestino Gonçalves, and Couto de Magalhães de Minas. The area of this region is 7,348 km² and in 2006 the population was 80,063 inhabitants. The population density (2000) was 11.2 inhab/km². Diamantina is located 292 kilometers almost directly north of the state capital, Belo Horizonte, in a mountainous area. The elevation of the municipal seat is 1,114 meters. The Jequitinhonha River, one of Brazil's most important rivers, flows to the east of the municipal seat. Diamantina is linked to the state capital by