河西走廊酒东沙地风沙沉积物理化特征及其环境意义

郭雪阳, 杨林海, 程良清, 胡光印, 胡菁菁

Physical and chemical characteristics of aeolian sands in Jiudong Sandy Land of Hexi Corridor and its environmental significance

Xueyang Guo, Linhai Yang, Liangqing Cheng, Guangyin Hu, Jingjing Hu

表4 酒东沙地表层风沙沉积物矿物平均含量及成熟度指数

Table 4 Average mineral content and maturity index of aeolian sand sediments on the surface of Jiudong Sandy Land

采样点 石英 长石 白云石 磷酸钠 铍石 铁锂 云母 Q/TF JD-1-1 75 25 3.00 JD-1-2 69 31 2.23 JD-1-3 68 30 2 2.27 JD-2-1 63 33 4 1.91 JD-2-2 69 28 2 2.46 JD-2-3 65 32 3 2.03 JD-2-4 63 32 5 1.97 JD-3-1 66 32 2 2.06 JD-3-2 65 29 4 1 1 2.24 JD-3-3 60 36 4 1 1.67 JD-3-4 61 30 4 1 2.03 JD-3-5 65 34 1 1.91