论冰碛石的形态特征及其与泥石流石的区别
周尚哲

A study on the morphological features of glaciated stone and its differences from debris flow stone
Shangzhe ZHOU
图3 砾石轮廓(重实线)及其形态要素(轻实线,两条接近线条)图。虚线圈为圆度,点圈为表面结构8
Fig.3 A particle outline (heavy solid line) with its component elements of form (light solid lines, two approxi-mations shown), roundness (dashed circles) and texture (dotted circles) identified8