... Truong Thi, and Nguyen VanVuong, The Early Triassic Indosinian orogenyin Vietnam (Truong Son belt and Kon Tummassif):implications for thegeodynamicevolu tion ofIndochina,Tectonophysics393(2004)87.[7] ... Kham DucFormation could be explained by a regionalinverse prograde metamorphism relating tocollision between two micro‐continents KonTum and TruongSonbeltcorrespondingtothemetamorphic ... Ar‐Arageofmetamorphic and myloniticrocksinnorthernpartoftheKonTummassif:evidence for theIndosinianmovementalongshearzonesbetweenKonTummassif and TruongSonbeltVuVanTich1,*,HenriMaluski2,NguyenVanVuong11Collegeof Science, VNU2ISTEM,UniversityofMontpellierII,FranceReceived4October2007;receivedinrevisedform10December2007Abstract.Thestudiedareaissituated...