Geologicheskii Vestnik

The valley of the Yuryuzan River from the mouth of the Ust-Kanda River to the Yangantau Hill flows along the foot of the hills of the western slope of the Southern Urals, composed of Carboniferous rocks, and crosses the southern part of the Yuryuzan-Ai Plain of the Fore-Urals, formed by Lower Permian rocks. The geological sections of Nasi, Belekei kaya and Kyzyrbak are the reference sections for the Bashkirian Stage of the Middle Carboniferous. There are several key-sections of the Lower Permian deposits: in the Novokaratavly and Kurgazak sections, rocks of the Akhunovo Suite of the Asselian Stage were exposed; the Tatarsky Maloyaz and Urdaly sections represent the Kapysovo and Urdaly formations of the Sakmarian Stage; the Yangantau section is the reference section for the Yangantau Suite and the Iltaevo section — for the Tandak Suite of the Artinskian Stage. The Yuryuzan River in this part of the valley has 8 tributaries. 19 speleological objects are associated with Carboniferous carbonate rocks, including the Salavat Yulaev Cave, Kalmaklarovskaya and Kyzyrbakskaya 1 and 2 Caves. There are 49 springs on the territory, among which the most powerful mineral spring is Kurgazak. The creation of geological and ecological paths equipped with information stands will help increase the importance of natural objects and will focus the attention of the population on the need for their protection and careful attitude towards natural objects in general.

geological natural monuments, Southern Urals, Yangan-Tau Geopark

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