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8 风化壳剖面重金属元素含量随深度变化
Fig.8 Variation of heavy elemental content with depth in weathered crust profiles