砂脉的研究现状与进展*
钟建华, 曹梦春, 倪良田, 孙宁亮, 刘闯, 郝兵, 杨冠群, 宋冠先, 葛毓柱

Situation of study and development tendency of sandy dykes
Zhong Jian-Hua, Cao Meng-Chun, Ni Liang-Tian, Sun Ning-Liang, Liu Chuang, Hao Bing, Yang Guan-Qun, Song Guan-Xian, Ge Yu-Zhu
冰楔形成的砂脉示意图(据Gruhn and Bryan,1969,有修改)