古地理学报2016，Vol.18Issue(5)：799-808,10.DOI:10.7605/gdlxb.2016.05.060
山东郯城麦坡中更新世地震事件记录
Records of the Pleistocene seismic events in Tancheng Maipo,Shandong Province
摘要
Abstract
Tancheng Maipo is named as a typical site of the seismic active fault,in which the most eye-catching sign is that the purple-gray Lower Cretaceous of the east-wall thrust up to the red-brown Qua-ternary of the west-wall of the second trunk fault (F2 ) of Tanlu Fault Zone,and the boundary is very clear.The field investigation and the test analysis showed that some earthquake-induced soft sediment de-formation structures developed in the Quaternary Yuquan Formation of Tancheng Maipo,including lique-fied sand flow pipes,liquefied sand veins,seismic fissure-filling structures,syn-sedimentary faults and other deformation,which were seismic event records.According to the OSL analysis of sandy clay in the soft sediment deformation structures,it is affirmed that the seismic events recorded by these soft sediment deformation structures should belong to strong tectonic seismic activities of the second trunk fault F2 during the late stage of the Mid-Pleistocene in Tanlu Fault Zone.These seismic event records not only provide new data for new tectonic movements and seismic activities in the Tanlu Fault Zone,but also enrich geoscience connotations of the seismic active fault site.关键词
地震事件记录/软沉积物变形/中更新世/地震活断层/郯城麦坡/郯庐断裂带Key words
seismic event record/soft sediment deformation/Mid-Pleistocene/seismic active fault/Tancheng Maipo/Tanlu Fault Zone分类
天文与地球科学引用本文复制引用
张邦花,田洪水,祝介旺..山东郯城麦坡中更新世地震事件记录[J].古地理学报,2016,18(5):799-808,10.基金项目
国家自然科学基金项目（编号41272066）和长江学者和创新团队发展计划（编号IRT13075）资助。［Co-funded by the National Natural Science Foundation of China （Grant No.41272066） and the Yangtze River Scholars and Innovation Team Development Plan （Grant No． IRT13075）］。 （）
