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1.TheregionincludesavastpartofSE.China,NW.Burma,N.VietnamandN.Laos’Itisaheterogeneousandverycomplicatedtectonicprovince.TheretookplaceactiveintracontinentalgeodynamieproccsscsofIndosinianYanshanianandHimalagunteetoniccycles.Assupposed,Varicdirectedmovemen