岷江上游干旱河谷区汶川段风化壳剖面元素地球化学特征
周雪妮, 曹亚廷, 计扬

Element geochemical characteristics of weathering crust profiles of the Wenchuan section in the upper arid valley of the Minjiang River
ZHOU Xue-Ni, CAO Ya-Ting, JI Yang
图9 元素在风化壳垂向剖面中的4种分布类型示意
Fig.9 Map of the four types of distribution of elements in the vertical profile of weathered crusts