Early Paleozoic collisional structures in the modern elevation pattern of the Olkhon region ( Baikal rift system )
T.M. Skovitina a , V.S. Fedorovsky b
a Institute of the Earth's Crust, Siberian Branch of the RAS, 128 ul. Lermontova, Irkutsk, 664033, Russia
b Geological Institute, Russian Academy of Sciences, 7 Pyzhevsky per., Moscow, 119017, Russia
Keywords: Strike-slip tectonics; Early Paleozoic; collision structure; Cenozoic elevation pattern; Baikal rift
Pages: 697-706
Abstract
The Olkhon area in the western Baikal region belongs to the Baikal rift system. The terrain bears strong imprint of the Early Paleozoic structural framework produced by a multistage collision. The today's elevation pattern records the main features of inhomogeneous basement lithology. The topography of the area is generally governed by the tectonic style, and tectonic landforms remain weakly denuded and almost uneroded. Thus the Cenozoic geomorphic framework can be correlated to the Early Paleozoic basement structure.
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