THE NATURE OF CYCLIC STRUCTURE OF THE ICE COMPLEX, EAST SIBERIA

Abstract

The features of cyclic structure in the Karga-Sartan Ice Complex (IC) deposits in Northern Yakutia have been studied for the coastal lowlands. We have analyzed cycles of different genesis (cryolithological, structural, lithological, and soil-vegetation) and duration. Climate fluctuation was the major factor of cyclic structure in the IC deposits. Cyclic structure in the IC deposits develops in certain facial-genetic conditions characterized by cryogenic weathering and subsequent re-deposition of eroded soils in river valleys and alas depressions

Keywords

• ice complex
• cyclicity
• content
• mineralogy
• weathering
• soil
• origin