Abstract
Study of the geochemistry behavior of rare earth elements into the soil driven by exploration will contribute to better environmental management. Thereby, we investigated the topsoil samples of different slopes from an abandoned ionic rare earth mine tailing with stimulated rainfall leaching. The results show that the elements migrated during the leaching, mainly light rare earth elements changed in the topsoil of the upper and middle slopes, while both light and heavy rare earth elements significantly altered in the lower slope. The abnormal value δCe can illustrate the distribution of rare earth elements in the soil developed by mining activities.
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