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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