太行山东麓断裂带板内构造地貌反转与机制-论文.pdf

《太行山东麓断裂带板内构造地貌反转与机制-论文.pdf》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。

1、第2O卷第4期地学前缘(中国地质大学(北京)；北京大学)2013年7月EarthScienceFrontiers(ChinaUniversityofGeosciences(Bcijing)；PekingUniversity)太行山东麓断裂带板内构造地貌反转与机制曹现志，李三忠，刘鑫，索艳慧，赵淑娟，许立青，戴黎明，王鹏程，余珊1．海底科学与探测技术教育部重点实验室，山东青岛2661002．中国海洋大学海洋地球科学学院，山东青岛266100CAOXianzhi，LISanzhong，LIUXin，SUOYanhui，ZHAOShujuan，XULiqing，DAILiming，WANGPeng

2、cheng，YUShan1．KeyLaboratoryofSubmarineGeosciencesandExplorationTechniques，MinistryofEducation，Qingdao266100，China2．CollegeofMarineGeosciences，OceanUniversityofChina，ngdao266100，ChinaCAOXianzhi，LISanzhong，LIUXin，eta1．TheintraplatemorphotectonicinversionalongtheEasternTaihangMountainFaultZone，NorthCh

3、inaanditsmechanism．EarthScienceFrontiers，2013，20(4)：088-103Abstract：TheNorthChinaCratoncanbedividedintotheWesternandEasternBlocksseparatedbytheTrans-NorthChinaOrogen．SincetheMesozoic，theNorthChinaCratonunderwentthinninganddestruction．Thedestructioncenteris1ocatedintheEasternBlock，whereastheWesternB

4、lockandthenorth-trendingTtansNorthChinaOrogenremainedtheirintegrity，andthetransitionzonebetweenthemistheeasternTaihangMountains．TwosubparallelimportantfaultsdevelopedintheTaihangMountainregion，calledtheTaihangMountainLargeFaultandtheEasternTaihangMountainFaultrespectively，asthemajorfaultsoftheEaste

5、rnTaihangMountainFaultBelt．PreviousstudiesrevealedthattheEasternTaihangMountainFaultisinheritedfromPrecambriantectonicbeltscontrollingthedifferencesofPrecambriancrystallinebasementsbetweentheEasternBlockandtheTaihangMountainRegion．SincethePalaeocene，theEasternTaihangMountainFaultdevelopedintonegati

6、vemorphotectonicinversionasanormalfaultinthewesternmarginoftheBohaiBayBasin．However，theTaihangMountainLargeFaultexistedintheYanshanianasamajorthrust，andplayedanimportantroleintheupliftoftheTaihangMountains．DuringthemiddleMiocene，alongwiththeformationoftheShanxigrabensystem，theTaihangMountainLargeFa

7、ultunderwentanegativestructuralinversionandcontrolledthedevelopmentofaseriesofintermontanegrabens．SincetheCenozoic，thetectonicmigrationinthisregionasawholejumpedtowardthewest，developingunderregionalstrike-s