新疆阿合奇地区志留系砂岩地球化学特征及大地构造背景*
陈小双1, 吕奥1, 宋贺民2, 刘磊1, 杨宝忠1,2, 侯红星3

Geochemical characteristics and tectonic history of the Silurian sandstones in Akeqi area,Xinjiang
Chen Xiao-Shuang1, Lü Ao1, Song He-Min2, Liu Lei1, Yang Bao-Zhong1,2, Hou Hong-Xing3
新疆阿合奇地区志留系砂岩La/Y-Sc/Cr(a)和K2O/Na2O-SiO2(b)构造背景判别图解(底图a来自于 Bhatia, 1983 ; 底图b来自于 Roser and Korsch, 1986 ) OIA—大洋岛弧;CIA—大陆岛弧;ACM—活动大陆边缘;PM—被动大陆边缘