期刊
QUATERNARY INTERNATIONAL
卷 298, 期 -, 页码 107-113出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.quaint.2012.09.018
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资金
- National Natural Science Foundation of China [40901005]
- Fundamental Research Funds for the Central Universities [2011YXL054]
In the Zhongza-Batang segment of the Upper Jinsha River in the southeast of the Tibetan Plateau, there are eight old landslide dams, with nearby associations of relict landslides, lacustrine sediments, and fluvial sediments. Associations of this kind provide key evidence for identifying the lacustrine sediments as landslide-dammed lake deposits. The C-14 ages of 12 samples and the OSL ages of 9 samples show that the landslide-dammed lake deposits formed during a period of about 122 AD-1100 AD, corresponding to the time of the late Donghan Dynasty to the middle of the Song Dynasty. Landslides that formed the landslide-dammed lake deposits are inferred to be due to earthquakes triggered by active faults. (C) 2012 Elsevier Ltd and INQUA. All rights reserved.
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