<正>Complicatedsystem(collage)ofblockstructuresandorogenicbeltshadbeenformedintheS-EofAsiabycollisionprosessesinMesozoicandCenozoicperiods.ThiscollagebegantoforminearlyMesozoicasaresultofdestructionofthecontinentalProterozoic-Paleozoiccrustandmovementsoflargeterreines.IndosinianandYangtzeblocks(smallplates)arethemostcharacteristicblock-terranesoftheregion;MyanmarandSongpanblocksystemsarelessrepresentative.Variousetypesofcollisionbeltsaresituatedbetweentheseblocksandontheperipheryoftheplates.Theyconsistofconcordantfoldedsystemsandshearzones.Someofthesesystemsandshearzones