走滑断层尖端破裂带马尾状断裂的性质、发育过程和形成 演化控制因素的物理模拟研究

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中图分类号：P54 文献标识码：A 文章编号：2097-5465（2025）05-0012-08

Abstract：Horsetailfaultsaretypicalstructureswithinthetipdamagezonesofstrike-slipfaultsandserveasimportantcriteriafor identifyngstrik-slipfultsonplanarmaps.Teyareidelydevelopedinvariousgeologicalenvironments，speciallinsal-scale strike-slipfultsmswiinatoniciteosuetlyhreisstlotroersgaingttureosealflts，ithn unclearunderstandingoftheirspecificdevelopmentprocssandthecontrollingfactorsoftheirformationandevolutionThelackof physicalsmulationexperimentalresultsassupportingevdencehindersfaultidentificationcorrelationanalsis，equenealysis andthestudyoftectonicbackgroundrestorationincertainresearchareas.Usingquartzsandasthematerial，aphysicalsimulation studywasconuctedeoseailfulttoarifitsropeiscosuctitseveopntpocesndalyetollg factorsforitsformationandevolutionHorsetailfaultscanexhibitbothextensionalandcompresionalcharacteristicsandtheir developmentocus asstrike-slipfaultsprogessfromwalldamage zones totidamagezons.Maincontrolingfactorsincludefault displacement， lateral stress，caprock thickness and non-penetrating degree.

Keywords：strike-slipfault；tipdamagezone；horsetail fault；formation-evolution；physical simulation experiment

0 引言

正断层、逆断层和走滑断层共同组成了当今公认的3大基本断层类别，这其中，走滑断层又是当今地质学界研究的前沿和热点问题[1-4] 。（剩余10467字）