巴丹吉林沙漠周边地区表层沉积物地球化学元素组成及其指示意义

王蒙, 逯军峰, 付鹏, 董治宝, 王芳

Geochemical elements composition of surface sediment and its implications around Badain Jaran Desert

Meng Wang, Junfeng Lu, Peng Fu, Zhibao Dong, Fang Wang

表1 研究区域表层沉积物的化学风化指数特征值

Table 1 Characteristic value of chemical weathering index in surface sediments of the study areas

指数 研究区域 1 2 3 4 5 6 7 8 Rb/Sr 0.38±0.009a 0.40±0.016a 0.37±0.007a 0.39±0.036a 0.42±0.100a 0.37±0.005a 0.38±0.016a 0.39±0.006a CIA 46.25±0.646ab 47.57±0. 974a 44.76±0.438b 37.40±2.280d 44.49±4.417b 42.85±0.303bc 42.71±0.588bc 43.80±0.350b