On the Age of Upper Quaternary Deposits of the Northern Caspian Sea

被引：1
作者：
Sorokin, V. M. [1 ]
Yanina, T. A. [1 ]
Romanyuk, B. F. [2 ]
机构：
[1] Moscow MV Lomonosov State Univ, Moscow 119991, Russia
[2] Morinzhgeol, Riga, Latvia
来源：
MOSCOW UNIVERSITY GEOLOGY BULLETIN | 2023年 / 78卷 / 05期
基金：
俄罗斯科学基金会;
关键词：
Caspian Sea; Late Pleistocene; Holocene; Newcaspian; Mangyshlakian; Khvalynian; Atelian; Hyrcanian; Khazarian; radiocarbon; LOWER REACHES;
D O I：
10.3103/S0145875223050137
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
A set of methods (seismoacoustic profiling, analysis of continuous borehole sections, stratigraphic studies on malacofauna, and radioisotope age dating) was used to identify the Novocaspian, Mangyshlakian, Khvalynian, Atelian, Hyrkanian, and Upper Khazarian horizons in the Upper Quaternary deposits of the Northern Caspian shelf. Based on AMS radiocarbon and uranium-thorium dating, the time of their accumulation is determined, respectively, in the intervals of 0 to 8.5, 8.5 to 13, 13 to 50/60, 50 to 70, >60 to 120 and more than 120 000 years ago.
引用
收藏
页码：629 / 639
页数：11
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