Abstract
Soil erosion poses a significant threat to global socio-economic development and environmental conservation. Particularly, karst regions are grappling with severe erosion issues. Recent researches have shown that the concentration and particles of magnetic minerals in cave stalagmites can reflect past soil erosion. This paper summarizes the sources of magnetic mineral particles in stalagmites and the process of their entry into stalagmites, providing basic information for the study of soil erosion in karst areas. The main carrier of magnetism in stalagmites is magnetite. It is mainly derived from the soil overlying the caves. These magnetic minerals migrate from soils and weathered rocks to cave environments mainly by water infiltration, storm water runoff and flooding.
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