Comparative analysis of megaflood deposits and alluvium of the Chuya and Katun' river valleys (Gorny Altai)

I. D. Zolnikov, E. V. Deev, D. V. Nazarov, S. A. Kotler

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

Sedimentary indicators of catastrophic glacial megafloods-plane-bedded angular gravel, cobbles, and boulders-are described in several sections of the high terraces of the Chuya River valley. The principal difference of these sediments from typical alluvium of this area is demonstrated. The clast roundness, grain size of clasts, and sedimentary structures of the high-terrace deposits of the Chuya and Katun' valleys indicate the same facies originated through megaflood deposition. These results are at odds with ideas of alluvial, glacial, or glaciofluvial genesis of the high-terrace deposits of the Chuya River.

Original languageEnglish
Pages (from-to)1162-1172
Number of pages11
JournalRussian Geology and Geophysics
Volume56
Issue number8
DOIs
Publication statusPublished - 1 Aug 2015

Keywords

  • Alluvium
  • Chuya
  • Erosion terraces
  • Gorny Altai
  • Katun'
  • Megaflood deposits

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