新疆阿克陶县布伦口一带湖积层测年及地质意义

现代矿业 ›› 2018, Vol. 34 ›› Issue (09): 70-73.

新疆阿克陶县布伦口一带湖积层测年及地质意义

方怀宾^1,2，李开文^1,2，李彩霞^1,2

Fang Huaibin^1,2，Li Kaiwen^1,2，Li Caixia^1,2

出版日期:2018-09-25 发布日期:2018-10-16
基金资助:
* 中国地质调查局地质矿产调查项目（编号：1212010610310）。

Dating for Lacustrine Sediments and Its Geological Significance in Bulunkou Area in Akto County,Xinjiang

1.河南省地质调查院；2.河南省金属矿产成矿地质过程与资源利用重点实验室

1.Henan Institute of Geological Survey;2.Henan Key Laboratory for Metallogenetic Process of Metallic Mineral Resource and Resource Utilization

Online:2018-09-25 Published:2018-10-16

摘要/Abstract

摘要： 新疆阿克陶县西昆仑布伦口一带湖积层沿木吉河呈近SN—NW向线状分布，明显受新构造运动控制，构成了线状断陷带早期沉积层位。通过1∶5万区调工作发现，该层位为现代木吉河高基座阶地的主体，在相关剖面首次获得该层位光释光（Optically stimulated luminescence,OSL）测年结果，测试年龄为(55.5±8.6)～(94.8±9.7)ka，为晚更新世。分析结果对于该区新构造运动研究具有一定的参考价值。

关键词: 光释光（OSL）测年, 晚更新世, 新构造运动, 地质意义

Abstract: Lacustrine sediments in Bulunkou area of West Kunlun Mountains in Akto County is linearly distributes along Muji River in nearly SN-NW direction,it is obviously controlled by neotectonics and forms early sedimentary formation in linear fault zones.Through 1∶50 000 regional geological survey,it is found that this formation is the main body of nowaday high－based Muji River terrace.Trough some relevant sections,tt is the first time to acquire its OSL(optically stimulated luminescence) dating age of (55.5±8.6)~(94.8±9.7)ka,which can provide reliable reference for the study of neotectonics in the area.

Key words: Optical stimulated luminescence (OSL) , Late Pleistocene, Neotectonics, Geological significance

方怀宾, 李开文, 李彩霞. 新疆阿克陶县布伦口一带湖积层测年及地质意义[J]. 现代矿业, 2018, 34(09): 70-73.

FANG Huai-Bin, LI Kai-Wen, LI Cai-Xia. Dating for Lacustrine Sediments and Its Geological Significance in Bulunkou Area in Akto County,Xinjiang[J]. Modern Mining, 2018, 34(09): 70-73.