Study of Paleoearthquakes by Excavation of Grouped Trenches on the Zemuhe Fault in Daqingliangzi, Xichang, Sichuan

Uncertainties are common in the dating of paleoearthquakes. To improve the credibility of the dating of paleoearthquakes, analysis was done on fault activity, sedimentary environment and seismo-geomorphology to investigate paleoearthquakes along the Zemuhe active fault zone. Grouped trenches were excavated near Daqingliangzi, which revealed three palaeoearthquake events aged 160a, 3100a and 5500a～8900a, respectively, including recurrence intervals of about 3000a. Sedimentary processes related to strike-slip fault type earthquakes were discussed, and a sedimentary model was put forward for strike-slip faults at hillsides where drumlin and reverse scarp developed.

作 者： Tian Qinjian Ren Zhikun Zhang Junlong   作者單位： Tian Qinjian(China Earthquake Disaster Prevention Center, Beijing 100029, China;Institute of Earthquake Science, CEA, Beijing 100036, China)

Ren Zhikun,Zhang Junlong(Institute of Earthquake Science, CEA, Beijing 100036, China) 

刊 名： 中國地震研究(英文版)  英文刊名： EARTHQUAKE RESEARCH IN CHINA  年，卷(期)： 2009 23(1)  分類號： P3  關鍵詞： Palaeoearthqnake   Grouped trenches   Micro-geomorphology   Zemuhe Riversedimentary model  

【Study of Paleoearthquakes by Excavat】相關文章：

My study作文（精選20篇）12-06

My English study英語作文05-26

名言警句—Study學習篇05-04

英語論文：A comparative study05-04

我喜歡學習 I Like Study02-27

優(yōu)秀英語作文My English Study04-25

9Aunit3 Study skills教案04-25

The Study Attitude作文250字（通用26篇）07-25

I use the internet a lot to study English我經(jīng)常上網(wǎng)學英語05-04