Authigenic Carbonates from Holocene Sediments of Lake Itkul (South of West Siberia) as Indicators of Climate Changes

被引：6

作者：

Solotchina, E. P. ^{[1
]}

Kuzmin, M. I. ^{[2
]}

Solotchin, P. A. ^{[1
]}

Maltsev, A. E. ^{[1
]}

Leonova, G. A. ^{[1
]}

Danilenko, I. V. ^{[1
]}

机构：

[1] Russian Acad Sci, Siberian Branch, Sobolev Inst Geol & Mineral, Novosibirsk 630090, Russia

[2] Russian Acad Sci, Siberian Branch, Vinogradov Inst Geochem, Irkutsk 664033, Russia

来源：

DOKLADY EARTH SCIENCES | 2019年 / 487卷 / 01期

基金：

俄罗斯基础研究基金会;

关键词：

MINERALOGY; BAIKAL;

D O I：

10.1134/S1028334X19070079

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

The results of this study on carbonate-containing bottom sediments of the shallow brackish Lake Itkul, West Siberia, are presented. The study methods applied included X-ray diffractometry (XRD), infrared spectrometry, laser granulometry, element analysis, and others. Carbonate phases are identified, and their quantitative relationships are determined by modeling of the XRD carbonate profiles using the Pearson VII function. The comparison of the carbonate record and lithological anf geochemical data on the dated sedimentary section has allowed us to reconstruct the climate-driven Holocene evolution of the lake basin. Mineralogical signals of the global climatic event known as Bond 4 are found in the territory of western Siberia.

引用

页码：745 / 750

页数：6

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