<正>Irtyshshearzoneisastretched,butrelativelynarrownearfaulttectoniczone,whichischaracterizedbythefollowingfeatures:a)generalsturctureanisotropy(310-320o)withpre-dominanceofsymmetricalrelationshipsofplanarandlineartypes;b)predominantdevelop-mentofbendedblastomyolnite,blastocataclasiteandmetamelangefomations;c)regional,butnon-uniformfoliationofricksandgeneralmanifestationofstructuresoftheshearingflow;d)separationofnumerouslensesofmingmatite-likeandpegmatoidformations,smallintrusionsofleucocraticgranites,granite-porphyresandgranite-aplitesanddike-likebodiesofgabbro-dyabaesandultrabasicrlcks,rarely.
