Early - Precambrian rocks are widely exposed in Dunhuang - Beishan area, GansuProvince.
甘肃敦煌-北山地区广泛出露早前寒武纪岩石。
2
The western area of 1oss plateau of China, including the area of GansuProvince, Ninxia Hui Autonomous region and Haidon district of QinghaiProvince, lies in the arid and semi-arid climatic zone.
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