RESEARCH INTO MORPHOSTRUCTURES OF THE SOUTH OF EASTERN SIBERIA
O.I. Bazhenova, V.M. Plyusnin
V.B. Sochava Institute of Geography, Siberian Branch, Russian Academy of Sciences, Irkutsk, Russia
Keywords: geomorphology, neotectonics, Northern Cisbaikalia, relief development, mapping
Abstract
The paper considers the research activity of the famous geomorphologist Anatolii Gavrilovich Zolotarev, Professor of the Geographical Faculty of Irkutsk State University. His scientific interests include neotectonics, geomorphology and correlative deposits. In the field of regional research, A.G. Zolotarev obtained new evidence on the formation and structure of the Baikal-Patom stepped upwarp and suggested the concept `of the pre-rift transition zones of Eastern Siberia. He developed a new approach in calculating the total amplitudes of vertical neotectonic movements and suggested that they should be calculated not from the modern surface of the World Ocean but from its level at the beginning of the neotectonic stage as well as with consideration for the distorting influence of the lithomorphic level. The result of these studies were conclusions that indicate the subsidence of the western part of the internal field of the Irkutsk amphitheater, rather than its rise, as previously thought. The 1:1 500 000 Map of the neotectonics of the south of Eastern Siberia that was created under the leadership of A.G. Zolotarev (in 1981) displays the neotectonic features of individual regions of the south of Eastern Siberia and their structure. Corrections for the influence of the lithomorphic factor and changes in the level of the World Ocean were also taken into account as a benchmark for calculations.
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