Interrelationships between Deformation and Metamorphic Events across the Western Hinterland Zone, NW Pakistan

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摘要 Microscopictomesoscopicstructuralinvestigationsandfoliationintersectionaxes(FIAs)preservedinporphyroblastsrevealaverycomplexhistoryofdeformationandtectonismwithinthesouthwesternpartofthewesternhinterlandzonealongthenorthernmarginoftheIndianplate,NWPakistan.D1,D2,andD3relatedstructuresinthesouthwesternpartresembletheF1/F2,F3,andF4relatedstructuresinthenortheasternpartofthewesternhinterlandzone.Thesestructuresdevelopedatthesametimethroughthesamechangesinthedirectionofbulkshorteninginsouthwesternandnortheasternpartsofthewesternhinterlandzone.FIAset1indicatesNW-SEshortening.TheD2fabrics,minerallineationsandfoldaxesindicateE-Wshortening.FIAset2,D3foldaxesandminerallineationsindicateNNE-SSWshortening.D3deformationeventisequivalenttotheF4deformationeventinthenortheasternpartofthewesternhinterlandzone.D4foldaxes,mineralstretchinglineationsandaxialplanefoliationsuggestENE-WSWshortening.TheD4NNW-SSEfabrics,whichformedintheregionaftertheformationoftheMMT(mainmantlethrust),Khairabad-Panjalthrustfault,HissartangthrustfaultandMBT(mainboundarythrust),likelyresultedfromENE-WSWbulkshorteningrelatedtodevelopmentoftheHazara-Kashmirsyntaxis.
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出版日期 2016年04月14日(中国期刊网平台首次上网日期,不代表论文的发表时间)