Character of sedimentation in Lake Baikal in the Holocene

被引：0
|
作者：
Vologina, EG
Sturm, M
Vorob'eva, SS
Granina, LZ
Toshchakov, SY
机构：
[1] Russian Acad Sci, Inst Earth Crust, Irkutsk 664033, Russia
[2] Swiss Environm Sci & Technol Fed Inst, CH-8600 Dubendorf, Switzerland
[3] Russian Acad Sci, Limnol Inst, Irkutsk 664033, Russia
[4] Siberian Plant Physiol & Biochem Inst, Irkutsk 664033, Russia
来源：
GEOLOGIYA I GEOFIZIKA | 2003年 / 44卷 / 05期
关键词：
bottom sediments; sedimentation conditions; turbidites; frustules; oxidized layers; Baikal;
D O I：
暂无
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
The bottom sediments of Lake Baikal were studied, with the emphasis placed upon the conditions of sedimentation in the Holocene and material composition of sediments. On the basis of study of spatial distribution of sediments in all parts of the lake, six characteristic zones of sedimentation have been recognized. Lithological types of sections of the modem bottom deposits of Baikal are described in detail. Much attention is given to the description of turbidite sedimentation as one of the main mechanisms of formation of bottom sediments in the Holocene. The features that distinguish turbidites from sediments accumulated under calm conditions are shown. It has been established that buried relics of oxidized Fe-Mn-formations occur not only in the northern basin of the lake but also in the southern basin.
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收藏
页码：407 / 421
页数：17
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