Brief characterization of the Silurian-Devonian boundary sediments section of the Obi-Safit sai in the west of the Zeravshan Range (Southern Tien Shan).
Abstract
According to the scheme of structural-formation zoning of the Southern Tien Shan, the Zeravshan region belongs to the Zeravshan-Alai zone, where the sections of the Lower and Middle Paleozoic are characterized by predominantly carbonate composition. The Upper Silurian sediments of the Zeravshan Range are represented by the characteristic lithologically uniform Arg Formation composed of dolomites and dolomitic limestones with benthic fauna. The lower subformity of the Arg Formation corresponds to the Upper Wenlock-Ludlow Formation; the upper subformity corresponds to the Post-Ludlow (Prjidol) ...
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References
- Abushik A.F. Ludlovian ostracods of the Turkestan Range. - J. Paleontol., 1968, № 3.
- Kim A.I., Larin N.M. On the boundary between the Silurian and Devonian in the Southern Tien Shan. - In the book: Biostratigraphy of Boundary Deposits of Silurian and Devonian. M. Nauka, 1968.
- Mikhailova E. D. Ostracods of the boundary deposits of the Silurian and Devonian of the Malguzar Mountains (Central Asia). 63, vol. 2, 1972.
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