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Structure of river valleys on the Lena-Katanga Plateau

  • Regional Problems of Environmental Studies and Natural Resources Utilization
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Abstract

Exploration data for different-order river crossings on the Lena-Katanga Plateau (northern Irkutsk oblast) were used to identify, according to the occurrence conditions of bedrocks, weathering crusts and alluvial deposits, three types of structure of river valley bottoms. In the geological evolution history of loose deposits in the valleys, six stages were determined, which occurred mostly during the Holocene. Karst lakes evolved into existence along tectonic fault lines in the river valleys at that time period which complicated their structure.

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Authors and Affiliations

  1. Institute of Geography, Siberian Branch, Russian Academy of Sciences, Irkutsk, Russia

    S. A. Makarov & M. Yu. Opekunova

Authors
  1. S. A. Makarov
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  2. M. Yu. Opekunova
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Correspondence to S. A. Makarov.

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Original Russian Text © S.A. Makarov, M.Yu. Opekunova, 2012, published in Geography and Natural Resources, 2012, Vol. 33, No. 2, pp. 62–67.

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Makarov, S.A., Opekunova, M.Y. Structure of river valleys on the Lena-Katanga Plateau. Geogr. Nat. Resour. 33, 131–135 (2012). https://doi.org/10.1134/S1875372812020059

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  • DOI: https://doi.org/10.1134/S1875372812020059

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