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Upper Paleozoic carbonate-terrigenous deposits are widespread in the southwestern part of South Kazakhstan: in the Syr Darya, Aral, Chu-Sarysu and South Torgai sedimentary basins Karatau mountains, the Ugam ridge, as well as in the adjacent territories of Uzbekistan. Their capacity reaches 4000 m. At the end of the Middle Devonian, the western edge of the Kazakhstan continent sank, which led to transgression of the sea and the formation of a basin of forward deflection. On the outskirts of the latter, carbonate pl...

The idea of the Hercynian Paleozoic age of the Turanian platform foundation is widespread among geologists, giving way to an opinion of its having no prospects for oil and gas. New seismic and geological data obtained in the south of the Turanian platform, within the South Mangyshlak downfold system in Kazakhstan and the Asseke-audan trough in Uzbekistan, support the authors? idea on a new Paleozoic floor promising oil and gas in this area. Results of the analysis and comparison of the well sections prove the regi...