College;
of;
Earth;
Science,;
Graduate;
University;
of;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100049,;
China;
State;
Key;
Laboratory;
of;
Environment;
Geochemistry,;
Institute;
of;
Geochemistry,;
Chinese;
Academy;
of;
Sciences,;
Guiyang;
550002,;
China;
碳酸盐岩; 重金属元素; 风化过程; 铁氧化物; 吸附比; 富集; R型聚类分析; 组成部分;