Cenozoic Uplift of the Central Yunnan Fragment, Southwestern China, Revealed by Apatite (U-Th)/He Dating
Cenozoic Uplift of the Central Yunnan Fragment, Southwestern China, Revealed by Apatite (U-Th)/He Dating
复制标题
磷灰石（U-Th）/He定年揭示中国西南部滇中地块新生代隆起
DOI：
10.1007/s12583-020-1328-4
复制
发表时间：
2020-08
影响因子：
3.3
通讯作者：
Wang Dan
中科院分区：
文献类型：
--
作者：
Wu Ke;Dong Youpu;Duan Jiaxin;Ru Xin;Zhang Dongyue;Wang Dan
滇中板块隆升的时代一直存在争议，估计从始新世晚期到大约1 Ma。为确定滇中地块新生代的隆升时间，采用磷灰石（U-Th）/He（AHe）法对滇中地块东部轿子山地区的样品进行了低温热年代学分析。采样区位于云南省昆明市东川区，靠近小江断裂带。结果表明，滇中地块东部的AHe年龄主要集中在25.7- 37.9Ma之间，在36.5Ma之前发生过强烈隆升。结合前人对滇西和滇中东部的低温热年代学研究，我们认为云南高原在36.5Ma之前就开始隆升，隆升序列为自西向东。隆升引起了古地理地形的变化，这可能改变了青藏高原东南部的古代河流系统。
The age of central Yunnan fragment uplift has long been debated, with estimates ranging from the Late Eocene to about 1 Ma. To determine the central Yunnan fragment uplift time in the Cenozoic, apatite (U-Th)/He (AHe) was used to analyze the low-temperature thermochronology of samples from the Jiaozi Mountain area of the eastern central Yunnan fragment. The sampling area is located in the Dongchuan District of Kunming, Yunnan Province, near the Xiaojiang fault zone. The results show that AHe ages from the eastern part of central Yunnan fragment were mainly concentrated around 25.7–37.9 Ma, and intensive uplift had happened before 36.5 Ma. Together with previous lowtemperature thermochronology research on the western and eastern central Yunnan fragment, we concluded that the Yunnan Plateau uplifted prior to 36.5 Ma, in a west to east sequence. The uplift caused a change in paleo-geographical terrain, which may have altered the ancient river systems of the southeast Tibetan Plateau.
登录
查看更多内容
影响因子：
2.8
作者：
A. Copley
通讯作者：
A. Copley
影响因子：
--
作者：
C. Xiaoyu;Liu Junlai;Wu Wenbin
通讯作者：
C. Xiaoyu;Liu Junlai;Wu Wenbin
影响因子：
3
作者：
G. Bertrand;C. Rangin
通讯作者：
G. Bertrand;C. Rangin
影响因子：
2.9
作者：
G. Wang;Gang Wang;Jinlin Wan;E. Wang;D. Zheng;Feng Li
通讯作者：
G. Wang;Gang Wang;Jinlin Wan;E. Wang;D. Zheng;Feng Li
DOI：
10.1073/pnas.1216241110
发表时间：
2013-04
期刊：
Proceedings of the National Academy of Sciences
影响因子：
--
作者：
Hongbo Zheng;P. Clift;Ping Wang;R. Tada;J. Jia;M. He;F. Jourdan
通讯作者：
Hongbo Zheng;P. Clift;Ping Wang;R. Tada;J. Jia;M. He;F. Jourdan