north margin of the Dabie Mountains
north margin of North China Plate
north margin of North China platform
structural belt of north margin of Caidam basin
the middele north margin of North China Block
the middle north margin of North China craton
the north margin of North China platform
northern margin of Dabie Mountains
Institue of Geological Suvey of the Geological Party of North of Fujian Province
north margin of eastern Junggar
North margin of Jiangnan orogen
north margin of Qaidam Basin
north margin of QaidamBasin
north margin of Songnen Massif
North margin of southern Tianshan
north margin of the Gyangze basin
north margin of the Qaidam basin