| Citation: | CAI Lu，TANG Long，ZHOU Dongdong，et al. Geological characteristics, paleolandforms, and their relationship with bauxite distribution in the Xiaoyuan bauxite mine, Qingzhen City, Guizhou Province[J]. Bulletin of Geological Science and Technology，2025，44（6）：1-11 doi: 10.19509/j.cnki.dzkq.tb20240016
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Ancient karst landforms play a key role in controlling the shape and scale of bauxite deposits, which is of great significance for the planning of engineering layouts in mineral exploration.
This study aims to analyze the impact of ancient landforms in Xiaoyuan area on the distribution of bauxite deposits.
This paper utilizes drilling and testing data from Xiaoyuan bauxite mining area, and employs the thickness of the Paizuo Formation and Jiujialu Formation (C1
The results show that the bauxite ore bodies are distributed intermittently along the direction of decreasing paleolandform elevation, and the morphology of individual ore bodies is controlled by specific geomorphic features such as depressions and sinkholes. Along the descending gradient of ancient landforms, locally low-lying areas are favorable sites for the formation of bauxite deposits. Two prospective bauxite mining targets areas were predicted (Chayuan and Shizi).
The research results provide a reference for the exploration of bauxite resources.
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