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Shi, Aiguo, Xu, Cheng, Fan, Chaoxi, Chakhmouradian, Anton R., Brenna, Marco, Wei, Chunwan (2024) Structural Defects of Heavy Rare Earth Element Minerals in Granite Accelerate Their Decomposition and Facilitate Mineralization During Weathering. Economic Geology, 119 (4) 871-883 doi:10.5382/econgeo.5057

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Reference TypeJournal (article/letter/editorial)
TitleStructural Defects of Heavy Rare Earth Element Minerals in Granite Accelerate Their Decomposition and Facilitate Mineralization During Weathering
JournalEconomic Geology
AuthorsShi, AiguoAuthor
Xu, ChengAuthor
Fan, ChaoxiAuthor
Chakhmouradian, Anton R.Author
Brenna, MarcoAuthor
Wei, ChunwanAuthor
Year2024 (June)Volume<   119   >
Issue<   4   >
URL
DOIdoi:10.5382/econgeo.5057Search in ResearchGate
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Mindat Ref. ID17432749Long-form Identifiermindat:1:5:17432749:5
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Full ReferenceShi, Aiguo, Xu, Cheng, Fan, Chaoxi, Chakhmouradian, Anton R., Brenna, Marco, Wei, Chunwan (2024) Structural Defects of Heavy Rare Earth Element Minerals in Granite Accelerate Their Decomposition and Facilitate Mineralization During Weathering. Economic Geology, 119 (4) 871-883 doi:10.5382/econgeo.5057
Plain TextShi, Aiguo, Xu, Cheng, Fan, Chaoxi, Chakhmouradian, Anton R., Brenna, Marco, Wei, Chunwan (2024) Structural Defects of Heavy Rare Earth Element Minerals in Granite Accelerate Their Decomposition and Facilitate Mineralization During Weathering. Economic Geology, 119 (4) 871-883 doi:10.5382/econgeo.5057
InLink this record to the correct parent record (if possible)
Abstract/NotesHeavy rare earth elements (HREEs), an indispensable resource for modern industry, are extracted mainly from clays in ion adsorption deposits (IADs) in South China. The HREEs in IADs are derived from accessory minerals in parental granites. These precursor HREE phases have low solubility in aqueous environments, and unraveling the mechanism of their decomposition during weathering is critical to understanding how IADs form. Here, we report the micro- to nanoscale structural characteristics of HREE precursor minerals in parental granites from the large Zudong and Zhaibei IADs. High-resolution transmission electron microscopy shows that these minerals are characterized by abundant structural defects that range from lattice dislocations to submicro- to nanoscale crystallite aggregates with a variable proportion of amorphous material. Ubiquitous structural defects make the precursor HREE minerals unstable during weathering, resulting in their rapid decomposition, thereby facilitating the development of clay-hosted mineralization.

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LocalityCitation Details
Zhaibei deposit, Dingnan Co., Ganzhou, Jiangxi, China
Zudong Mine, Longnan REE deposits, Longnan Co., Ganzhou, Jiangxi, China

Mineral Occurrences

LocalityMineral(s)
Zhaibei deposit, Dingnan Co., Ganzhou, Jiangxi, Chinaⓘ Bastnäsite-(Ce), ⓘ Bastnäsite-(La), ⓘ Biotite, ⓘ Biotite granite, ⓘ Cerianite-(Ce), ⓘ Churchite-(Y), ⓘ Eudialyte, ⓘ Feldspar Group, ⓘ Fergusonite-(Y), ⓘ Fluorapatite, ⓘ Fluorite, ⓘ Gadolinite, ⓘ Gadolinite-(Y), ⓘ Granite, ⓘ Granitoid, ⓘ Halloysite, ⓘ Kaolinite, ⓘ Monazite Group, ⓘ Monazite-(Ce), ⓘ Muscovite, ⓘ Muscovite granite, ⓘ Plagioclase, ⓘ Quartz, ⓘ Regolith, ⓘ Rhabdophane, ⓘ Rhabdophane-(Y), ⓘ Synchysite-(Ce), ⓘ Synchysite-(Y), ⓘ Thorite, ⓘ Xenotime, ⓘ Xenotime-(Y), ⓘ Xenotime-(Yb), ⓘ Zircon
Zudong Mine, Longnan REE deposits, Longnan Co., Ganzhou, Jiangxi, Chinaⓘ Apatite, ⓘ Biotite, ⓘ Feldspar Group, ⓘ Fergusonite-(Y), ⓘ Fluorite, ⓘ Gadolinite, ⓘ Gadolinite-(Y), ⓘ Granite, ⓘ Halloysite, ⓘ Kaolinite, ⓘ Muscovite, ⓘ Muscovite granite, ⓘ Plagioclase, ⓘ Quartz, ⓘ Synchysite, ⓘ Synchysite-(Ce), ⓘ Synchysite-(Y), ⓘ Thorite, ⓘ Xenotime, ⓘ Xenotime-(Y), ⓘ Xenotime-(Yb), ⓘ Zircon

See Also

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Shi, Aiguo, Xu, Cheng, Chakhmouradian, Anton R., Smith, Martin P., Kynicky, Jindrich, Fan, Chaoxi, Wei, Chunwan, Kuang, Guangxi (2022) Nanostructure reveals REE mineral crystallization mechanisms in granites from a heavy REE deposit, South China. American Mineralogist, 107 (12) 2261-2271 doi:10.2138/am-2022-8309
Wei, Chun-wan, Deng, Miao, Xu, Cheng, Chakhmouradian, Anton R., Smith, Martin P., Kynicky, Jindrich, Song, Wen-lei, Chen, Wei, Fu, Bin (2022) Mineralization of the Bayan Obo Rare Earth Element Deposit by Recrystallization and Decarbonation. Economic Geology, 117 (6) 1327-1338 doi:10.5382/econgeo.4926
Fan, Chaoxi, Xu, Cheng, Shi, Aiguo, Smith, Martin P., Kynicky, Jindrich, Wei, Chunwan (2023) Origin of heavy rare earth elements in highly fractionated peraluminous granites. Geochimica et Cosmochimica Acta, 343. 371-383 doi:10.1016/j.gca.2022.12.019
Liu, Yan, Chakhmouradian, Anton R., Reguir, Ekaterina P., Hou, Zengqian, Zheng, Xu, Fu, Haobang, Sun, Jian (2024) The Origin and Evolution of Rare Earth Element Mineralization in the Muluozhai Deposit (Sichuan, China): Insights from Mineralogical, Trace Element, and Sr-Nd-Pb-C-O-Ca Isotope Data. Economic Geology, 119 (3) 681-712 doi:10.5382/econgeo.5066
Song Wenlei, Cheng Xu, Martin Peter Smith, Anton Chakhmouradian, Marco Brenna, Jindrich Kynicky, Wei Chen, Yueheng Yang, Miao Deng, Haiyan Tang (2018) Genesis of the world's largest rare earth element deposit, Bayan Obo, China: Protracted mineralization evolution over ~1 b.y. Geology: 46(4): 323-326.
Song, Wenlei, Xu, Cheng, Smith, Martin P., Chakhmouradian, Anton R., Brenna, Marco, Kynický, Jindřich, Chen, Wei, Yang, Yueheng, Deng, Miao, Tang, Haiyan (2018) Genesis of the world’s largest rare earth element deposit, Bayan Obo, China: Protracted mineralization evolution over ∼1 b.y. Geology, 46 (4) 323-326 doi:10.1130/g39801.1
Wei, Chun-wan, Xu, Cheng, Song, Wen-lei, Chen, Wei, Shi, Aiguo, Li, Zhuoqi, Fan, Chaoxi (2023) Heavy rare earth element and crustal-derived silicon enrichment in Huayangchuan carbonatites, Qinling orogenic belt. Lithos, 436. 106987 doi:10.1016/j.lithos.2022.106987
Xu, Cheng, Shi, Aiguo, Brenna, Marco, Liu, Pingping, Li, Qiuli, Fan, Chaoxi (2024) Degassing-Driven Oxidation Promotes HREE Enrichment in South China Granites. Journal of Petrology, 65 (7) doi:10.1093/petrology/egae064
Benson, Erin K., Watts, Kathryn E. (2024) Apatite and Monazite Geochemistry Record Magmatic and Metasomatic Processes in Rare Earth Element Mineralization at Mountain Pass, California. Economic Geology, 119 (7). 1611-1642 doi:10.5382/econgeo.5108
Wei, Chun-wan; Xu, Cheng; Deng, Miao; Song, Wen-lei; Shi, Aiguo; Li, Zhuoqi; Fan, Chaoxi; Kuang, Guangxi (2022) Origin of metasomatic fluids in the Bayan Obo rare-earth-element deposit. Ore Geology Reviews, 141. 104654 doi:10.1016/j.oregeorev.2021.104654
Li, Shi-Lin, Terry Chen, Wei, Zhang, Wei, Chen, You-Wei (2025) The Role of Multiple Fluids in Diverse Mineralization of Carbonatite-Related Rare Earth Element Deposits: New Insights from In Situ Elemental and Sr-Nd-O Isotope Analyses of Carbonate Minerals. Economic Geology, 120 (1). doi:10.5382/econgeo.5127
 
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