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6 松嫩沙地不活动元素比值物源判别图解
LREEN=(LaN+CeN+PrN+NdN); HREEN=(ErN+TmN+YbN+LuN); MREEN=(SmN+EuN+GdN+TbN+DyN+HoN); MREEN*=2×MREEN/(LREEN+HREEN
Fig.6 Provenance discrimination diagrams involving immobile elements of Songnen Sandy Land