Modern Bottom Sediments of Lake Onega: Structure, Mineralogical Composition, and Systematization of Rare-Earth Elements

V. D. Strakhovenko, D. A. Subetto, E. A. Ovdina, N. A. Belkina, N. A. Efremenko, A. V. Maslov

Результат исследования: Научные публикации в периодических изданияхстатьярецензирование

2 Цитирования (Scopus)

Аннотация

The results of studying the structure and mineral composition of the Upper Holocene bottom sediments of Lake Onega are presented. It is established that there are two types of columns of bottom sediments, for which stratification of layers and formation of Fe–Mn crusts are determined by the diagenesis processes occurring under physicochemical conditions of sediment accumulation according to two scenarios. The distribution spectra of rare-earth elements (REEs) are different in the indicated types of columns, which is apparently attributed to the differences in the oxidation–reduction conditions at the water–sediment interface during the formation of REEs and possibly to the influence of hydrothermal processes.

Язык оригиналаанглийский
Страницы (с-по)988-992
Число страниц5
ЖурналDoklady Earth Sciences
Том481
Номер выпуска2
DOI
СостояниеОпубликовано - 1 авг 2018
Опубликовано для внешнего пользованияДа

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