中更新世以来的哈尔滨黄土物源变化
汪进秋1(), 谢远云1,2(), 康春国3, 迟云平1,2, 孙磊1, 吴鹏1, 魏振宇1
Changing provenance of Harbin loess since the Middle Pleistocene: evidence from TIMA automated quantification of minerals
Jinqiu Wang1(), Yuanyun Xie1,2(), Chunguo Kang3, Yunping Chi1,2, Lei Sun1, Peng Wu1, Zhenyu Wei1

图4. 哈尔滨黄土上、下部地层PCA物源判别图解

Fig.4. PCA provenance discrimination of the upper and lower strata in Harbin loess