THE GLACIATION OF RIVER IMANGDA VALLEY (WESTERN PART OF PUTORANA PLATEAU) IN THE LATE PLEISTOCENE AND HOLOCENE

S. N. Timireva; V. A. Sarana; Yu. M. Kononov

doi:10.15356/0435-4281-2016-1-82-87

THE GLACIATION OF RIVER IMANGDA VALLEY (WESTERN PART OF PUTORANA PLATEAU) IN THE LATE PLEISTOCENE AND HOLOCENE

S. N. Timireva, V. A. Sarana, Yu. M. Kononov

https://doi.org/10.15356/0435-4281-2016-1-82-87

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Abstract

In the valley of Imangda river (western part of Putorana Plateau) four multiple-aged moraine complexes were identifi ed. Three of them are correlated with the known stages of deglaciation of the Late Pleistocene glaciation in the north-west of Siberia: karaulskaya stage (25–17 ky BP), nyapanskaya stage (15–13 ky BP) and norilsk stage (11.5–10.4 ky BP). Moraines of these stages vary in degree of preservation, roundness of coarse material and the extent of their areal. In the Late Pleistocene and Holocene the glaciation of this territory had cirque and mountainvalley nature. There was no solid ice cover over the plateau. However, isolated ice caps with outlet glaciers could exist in some parts of the plateau. The fourth, younger moraine was formed during the Little Ice Age. Glaciers then do not go beyond the cirques.

Keywords

поздний плейстоцен, голоцен, Малый ледниковый период, оледенения, морены.

About the Authors

S. N. Timireva

Institute of Geography RAS, Moscow
Russian Federation

V. A. Sarana

Institute of Geography RAS, Moscow
Russian Federation

Yu. M. Kononov

Institute of Geography RAS, Moscow Lomonosov Moscow State University
Russian Federation

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Review

For citations:

Timireva S.N., Sarana V.A., Kononov Yu.M. THE GLACIATION OF RIVER IMANGDA VALLEY (WESTERN PART OF PUTORANA PLATEAU) IN THE LATE PLEISTOCENE AND HOLOCENE. Geomorfologiya. 2016;(1):82-87. (In Russ.) https://doi.org/10.15356/0435-4281-2016-1-82-87