中国南方网纹红土元素地球化学特征及其对网纹化过程的指示意义<sup>*</sup>

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Element geochemical characteristics of the reticulate red clay in southern China and its significance for the formation proccess of reticulated mottles

Xu Chuanqi¹, Liao Fuqiang^1,², Jia Yulian^1,², Huang Siyuan¹, Lian Licong¹, Ling Chaohao¹, Long Jin¹

长江中游九江沙河、土塘和岳阳港口大道剖面网纹红土中网纹与基质的微量元素上陆壳标准化曲线^ W—网纹; R—基质