Котловина и вал оз. Красного в Московской области - следы древнего пингостатья
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Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 21 августа 2017 г.
Аннотация:Rimmed depression of the lake Krasnoye in the Moscow region – ancient de-graded pingo
V.Vad. Bronguleyev, A.N. Makkaveyev, V.A. Karavayev
Summary
The lake Krasnoye lay on the 3d terrace of the Moscow River in the periglacial region of the Moscow and Valdai glaciations. It has rounded conical shape 300 m in diameter and 9 m in depth, and is surrounded by a gentle rim 2-6 m in height and 100-150 m in width. Deposits of the rim (sand and sandy-loam) have lumpy, practi-cally non bedded structure which is similar to gravitational deposits of the slope foot. Authors suggest that these deposits might be formed at the foot of the large ancient pingo existed here in the periglacial conditions, from the slopes of which unconsoli-dated sediments crept and were washed down. The impact origin of this rimmed de-pression should by rejected because of the complete absence of the deep rocks ejecta.