The Golmud--Ejin geoscience transect traverses the Kunlun, Qilian and Northern Beishan tectonic beltsfrom south to north. In the geoscience transect, five tectostratigraphic terranes, i.e. the Qaidam-NorthKunlun, South--central Qilian, North Qilian, Southern Beishan and Northern Beishan terranes, and fiveterrane boundary faults, i.e. the Central Kunlun fault, North Junul fault, North boundary fault of CentralQilian, Kuantanshan fault and Skibanjing--Xiao Huangshan boundary fault, may be distinguished. The