Beishan mountain area can be devided by Hongliuhe-Niuquanzi-Xichangjing ophiolite belt into two parts: Xingxingxia-Mingshui-Hanshan micro-plant and Dunhuang micro-plant.

• 摘要北山地区可划分为星星峡-明水-旱山微板块和敦煌微板块，二者以红柳河-牛圈子-洗肠井缝合带为界。