north margin of eastern Junggar
North margin of Jiangnan orogen
north margin of North China Plate
north margin of North China platform
north margin of Qaidam Basin
north margin of QaidamBasin
north margin of Songnen Massif
North margin of southern Tianshan
north margin of the Dabie Mountains
north margin of the Gyangze basin
north margin of the Qaidam basin
north margin of the Yangtze block