calcareous sandrock and conglomerate rock
northern Liaodong Bay shallow water area
northern margin area of Qaidam Basin
northern mountain area of Hebei Province
northern mountainous area of Hebei Province
northern Qilianshan margin- Hexi Corridor area
northern semi-arid area
northern Shenmu mining area
Northern slope zone of Tazhong area
northern subtropical area
northern throat area in Zhuzhou station