松嫩沙地地球化学特征及其对风尘物质贡献的指示

刘俊贺, 迟云平, 谢远云, 康春国, 魏振宇, 吴鹏, 孙磊

Geochemical characteristics of Songnen Sandy Land and its indication of contribution to aeolian dust

Junhe Liu, Yunping Chi, Yuanyun Xie, Chunguo Kang, Zhenyu Wei, Peng Wu, Lei Sun

图5 松嫩沙地地表沉积物的成熟度与沉积再循环判别图解
判别函数1=30.638×TiO₂/Al₂O₃-12.541×Fe₂O₃/Al₂O₃+7.329×MgO/Al₂O₃+12.031×Na₂O/Al₂O₃+35.42×K₂O/Al₂O₃-6.382；判别函数2=56.500×TiO₂/Al₂O₃-10.879×Fe₂O₃/Al₂O₃+30.875×MgO/Al₂O₃-5.404×Na₂O/Al₂O₃+11.112×K₂O/Al₂O₃-3.89

Fig.5 Maturity and discrimination diagram of the sediment recycling in the Songnen Sandy Land