Radiocarbon dating and oxygen isotope variations in late Pleistocene syngenetic ice-wedges, northern Siberia

被引：0
|
作者：
Vasilchuk, YK
Vasilchuk, AC
机构：
[1] MOSCOW MV LOMONOSOV STATE UNIV,FAC GEOG,LAB REG ENGN GEOL,MOSCOW 119899,RUSSIA
[2] RUSSIAN ACAD SCI,INST CELL BIOPHYS,PUSHCHINO 142292,MOSCOW REGION,RUSSIA
来源：
PERMAFROST AND PERIGLACIAL PROCESSES | 1997年 / 8卷 / 03期
关键词：
Late Pleistocene; syngenetic ice-wedges; radiocarbon dating; oxygen isotopes; northern Eurasia;
D O I：
10.1002/(SICI)1099-1530(199709)8:3<335::AID-PPP259>3.0.CO;2-V
中图分类号：
P9 [自然地理学];
学科分类号：
0705 ; 070501 ;
摘要：
The occurrence of well-preserved redeposited organic material is. the main limitation for radiocarbon dating of syngenetic permafrost sediments. Only radiocarbon dating of (1) autochthonous organic remains or (2) a series of non-inverted radiocarbon dates, in the case of allochthonous organic material in permafrost thicknesses, is valid. An interpretation of oxygen isotope values from syngenetic ice-wedges is considered in the context of several syngenetic permafrost sequences for northern Eurasia. Radiocarbon dating of organic matter from the host sediments which accumulated synchronously to the ice-wedges provides an age attachment for the oxygen isotope determinations. (C) 1997 John Wiley & Sons, Ltd.
引用
收藏
页码：335 / 345
页数：11
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