Zhang, Yanbo, Liu, Xiangyang, Zhao, Wei (2025) Coal-Hosted Al-Ga-Li-REE Deposits in China: A Review. Minerals, 15 (1). doi:10.3390/min15010074
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Title | Coal-Hosted Al-Ga-Li-REE Deposits in China: A Review | ||
| Journal | Minerals | ||
| Authors | Zhang, Yanbo | Author | |
| Liu, Xiangyang | Author | ||
| Zhao, Wei | Author | ||
| Year | 2025 | Volume | < 15 > |
| Issue | < 1 > | ||
| URL | |||
| DOI | doi:10.3390/min15010074Search in ResearchGate | ||
| Generate Citation Formats | |||
| Classification | Not set | LoC | Not set |
| Mindat Ref. ID | 17894297 | Long-form Identifier | mindat:1:5:17894297:7 |
| GUID | 0 | ||
| Full Reference | Zhang, Yanbo, Liu, Xiangyang, Zhao, Wei (2025) Coal-Hosted Al-Ga-Li-REE Deposits in China: A Review. Minerals, 15 (1). doi:10.3390/min15010074 | ||
| Plain Text | Zhang, Yanbo, Liu, Xiangyang, Zhao, Wei (2025) Coal-Hosted Al-Ga-Li-REE Deposits in China: A Review. Minerals, 15 (1). doi:10.3390/min15010074 | ||
| In | Link this record to the correct parent record (if possible) | ||
| Abstract/Notes | Investigation of the critical metal elements in coal and coal-bearing strata has become one of the hottest research topics in coal geology and coal industry. Coal-hosted Ga-Al-Li-REE deposits have been discovered in the Jungar and Daqingshan Coalfields of Inner Mongolia, China. Gallium, Al, and Li in the Jungar coals have been successfully extracted and utilized. This paper reviews the discovery history of coal-hosted Ga-Al-Li-REE deposits, including contents, modes of occurrence, and enrichment origin of critical metals in each coal mine, including Heidaigou, Harewusu, and Guanbanwusu Mines in the Jungar Coalfield and the Adaohai Coal Mine in the Daqingshan Coalfield, as well as the recently reported Lao Sangou Mine. Gallium and Al in the coals investigated mainly occur in kaolinite, boehmite, diaspore, and gorceixite; REEs are mainly hosted by gorceixite and kaolinite; and Li is mainly hosted by cholorite. Gallium, Al, and REEs are mainly derived from the sediment-source region, i.e., weathered bauxite in the Benxi Formation. In addition, REE enrichment is also attributed to the intra-seam parting leaching by groundwater. Lithium enrichment in the coals is of hydrothermal fluid input. The content of Al2O3 and Ga in coal combustions (e.g., fly ash) is higher than 50% and 100 µg/g, respectively; concentrations of Li in these coals also reach the cut-off grade for industrial recovery (for example, Li concentration in the Haerwusu coals is 116 µg/g). Investigations of the content, distribution, and mineralization of critical elements in coal not only provide important references for the potential discovery of similar deposits but also offer significant coal geochemical and coal mineralogical evidence for revealing the geological genesis of coal seams, coal seam correlation, the formation and post-depositional modification of coal basins, regional geological evolution, and geological events. Meanwhile, such investigation also has an important practical significance for the economic circular development of the coal industry, environmental protection during coal utilization, and the security of critical metal resources. | ||
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