青海省天峻县阳康地区花岗岩岩体锆石U-Pb年代学及地球化学特征研究
方永坤, 曹成刚, 董峻麟, 李领贵

Geochronology and geochemistry of the granodiorite intrusion in Yangkang area of Qinghai Province and its geological significance
FANG Yong-Kun, Cao Cheng-Gang, DONG Jun-Lin, LI Ling-Gui
图7 w(La)/w(Sm)-w(La)图解
Fig.7 Diagram of w(La)/w(Sm)-w(La)