广西上林晚二叠世合山组含煤岩系中广泛存在锂元素富集的现象，具有潜在的经济价值和研究意义。本次研究以广西上林万福矿区晚二叠世合山组煤系锂矿化层为研究对象，在对34件样品常量元素和微量元素测试，并对1件样品锆石U–Pb测年和锆石微量元素测定的基础上，综合分析了区内合山组煤系锂矿化层的空间分布、元素地球化学特征和物质来源。研究发现，合山组煤系自下而上有I、II、III和IV四套锂矿化层，锂质量分数由高到低依次为层I、层III、层II和层IV。与世界黏土岩均值相比，层I中Li元素属于高度富集，层II、层III中Li元素属于富集，而层IV中Li元素属于轻微富集；Al₂O₃–TiO₂、La/Sc–Th/Co和V–Ni–Th×10物源区岩性判别图解显示，层I、层III和层IV的大部分样品点落在酸性岩浆岩区附近，层I中少数样品点落在中性岩浆岩区域，由此推断，万福矿区合山组煤系锂矿化层主要来自酸性和中性岩浆岩。通过对锆石U–Pb定年、锆石微量元素Th/Nb−Hf/Th和Th/U–Nb/Hf构造判别图、稀土元素分析以及Al₂O₃–TiO₂、La/Sc–Th/Co、V–Ni–Th×10和Nb/Y–Zr/TiO₂四个物源判别图的综合研究得出，万福矿区合山组煤系锂矿化层主要来自峨眉山大火成岩省和古特提斯二叠纪岩浆弧相关的中酸性岩浆岩。

Lithium element enrichment is widely observed in the coal-bearing series of the Late Permian Heshan Formation in Shanglin, Guangxi, which has potential economic value and research significance. In this study, a multi-proxy study was conducted for evaluating major elements, trace elements, zircon U–Pb dating, and zircon trace elements from the lithium mineralization layers to characterize the spatial distribution, elemental geochemical characteristics, and provenance of lithium mineralization layers of the Late Permian Heshan Formation coal-bearing series in the Wanfu mining area, Shanglin, Guangxi. Thirty four samples were selected from lithium mineralization layers in order to determine major elements and trace elements. Moreover, the zircon U–Pb dating and zircon trace elements of one sample was investigated. The study reveals that four sets of lithium mineralization layers, namely I, II, III, and IV, are developed from bottom to top in the Heshan Formation coal-bearing series from the Wanfu mining area, Shanglin, Guangxi. According to the order of lithium content from high to low, it is divided into lithium mineralization layers I, III, II and IV. Compared with average values for world claystone, the lithium mineralization layer I are highly enriched in Li, the II and III is enriched in Li, and the IV is slightly enriched in Li. The analysis of Al₂O₃–TiO₂, La/Sc-Th/Co and V–Ni–Th×10 diagrams indicate that most of the samples of lithium mineralization layer I, III and IV fall close to the acidic volcanic rocks field, while a few samples of lithium mineralization layer I fall near the intermediate volcanic rocks field. Therefore, it is inferred that the lithium mineralization layers of the Heshan Formation in Shanglin, Guangxi are dominated by sediments derived from the acidic and intermediate volcanic rocks. The Zircon U–Pb dating, Th/Nb-Hf/Th and Th/U–Nb/Hf tectonic setting discrimination diagrams of zircon trace elements, rare earth elements analysis, and Al₂O₃–TiO₂, La/Sc−Th/Co, V–Ni–Th×10 and Nb/Y–Zr/TiO₂ source rock discrimination diagrams indicate that the lithium mineralization layers of the Heshan Formation coal-bearing series in the Wanfu mining area mainly come from acidic and intermediate volcanic rocks related to the Emeishan Igneous Province and the Paleo-Tethys Permian magmatic arc.