[1]陈亚亚,沈军,张金国,等.夏垫活动断裂沉积物粒度分析及沉积环境研究[J].防灾科技学院学报,2017,19(03):17-27.
 Chen Yaya,Shen Jun,Zhang Jinguo,et al.Grain-Size Analysis and Sedimentary Environment Research ofQuaternary Sediments on Xiadian Active Fault[J].JOURNAL OF INSTITUTE OF DISASTER PREVENTION,2017,19(03):17-27.
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夏垫活动断裂沉积物粒度分析及沉积环境研究()
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《防灾科技学院学报》[ISSN:1673-8047/CN:13-1377/P]

卷:
第19卷
期数:
2017年03期
页码:
17-27
栏目:
目次
出版日期:
2017-09-30

文章信息/Info

Title:
Grain-Size Analysis and Sedimentary Environment Research of Quaternary Sediments on Xiadian Active Fault
作者:
陈亚亚沈军张金国赵江涛胡铭塬
防灾科技学院,河北 三河065201
Author(s):
Chen Yaya Shen Jun Zhang Jinguo Zhao Jiangtao Hu Mingyuan
Institute of Disaster Prevention, Sanhe 065201, China)
关键词:
夏垫断裂 粒度分析 沉积环境 断塞塘 沉积旋回
Keywords:
Xiadian fault grain-size analysis sedimentary environment sag-pond sedimentary cycle
分类号:
P534
文献标志码:
A
摘要:
利用夏垫断裂附近采集的样品,通过激光粒度仪实验进行粒度测试、分析,研究了第四纪沉积物平均粒径、标准偏差、偏度、峰态、众数、频率曲线、累计概率曲线等粒度特征,并用解析的方法研究了沉积物成分上的特点和变化。本文依据上述特征,将地层划分为8个沉积旋回,综合得出地层沉积动力和沉积环境的变化:较低能的沼泽相沉积、中能的河流相沉积、中高能的河流相沉积、高能的河流相沉积—低能的洪积相沉积、中高能的河流相沉积、低能的沼泽相沉积、中低能的浅湖相沉积、中能的浅湖相沉积。且本文认为地层中出现的两次富含黑灰色粘土、粉砂和碳化的植物遗体的沼泽相沉积应为地震引发的断塞塘沉积。
Abstract:
This paper use grain-size samples collected nearby Xiadian fault, tested and analyzed by laser particle size analyzer, to research grain-size characteristics of quaternary sediment, such as average grain size, standard deviation, skewness, kurtosis, mode, frequency curve, accumulative probability curve. And this paper researches the characteristics and changes of sediment composition by the analytic methods. Based on the above characteristics, this paper divides strata in Xiadian active fault into 8 sedimentary cycles, and concludes the changes of sedimentary power and sedimentary environment: lower energetic marsh sediments, middle energetic fluvial sediments, middle-high energetic fluvial sediments, high energetic fluvial sediments-lower energetic diluvial sediments, middle-high energetic fluvial sediments, lower energetic marsh sediments, middle-low energetic shallow lacustrine sediments, middle energetic shallow lacustrine sediments. In this paper, the authors hold the opinion that the marsh sediments which appeared two times in the strata and are rich in black-gray clay and silty sand, carbonized plant remains, should be sag- pond sediments which were caused by earthquake.

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备注/Memo

备注/Memo:
收稿日期:2017-06-08 基金项目:国家自然科学基金(41372216);国家大学生创新项目(201511775003). 作者简介:陈亚亚(1994—),男,硕士,主要从事构造地质学研究。 通信作者:沈军(1966—),男,博士,教授,主要从事地震地质研究方向。
更新日期/Last Update: 1900-01-01