Hydrothermal sulfate surges promote rare earth element transport and mineralization | |
Wan, Ye5; Chou, I. -Ming5; Wang, Xiaolin3,4; Wang, Ruoheng2,5; Li, Xiaochun1,2 | |
刊名 | GEOLOGY |
2023-05-01 | |
卷号 | 51期号:5页码:449-453 |
ISSN号 | 0091-7613 |
DOI | 10.1130/G50848.1 |
通讯作者 | Chou, I. -Ming(imchou@idsse.ac.cn) ; Wang, Xiaolin(xlinwang@nju.edu.cn) |
英文摘要 | The generation of sulfate-rich hydrothermal fluids is of great significance to investigate because it is closely associated with the formation of many important ore deposits, such as hydrothermal rare earth element (REE) deposits. However, the transport of REEs in sulfate -rich hydrothermal fluids is complicated by the retrograde solubility of common sulfate miner-als depicted in current thermodynamic models. We present in situ and ex situ hydrothermal experimental evidence suggesting that the solubility of alkali sulfate changes from retrograde at low pressures to prograde at elevated pressures. Accordingly, we propose a sulfate surge temperature and pressure (T -P) window (250 degrees C, 90 MPa), above which the solubility of alkali sulfate increases significantly with increasing P and T. Although REE sulfates are weakly soluble in water, sulfate-rich hydrothermal fluids can transport high contents of REEs under the T -P conditions above the sulfate-surge window. Our results indicate that depressuriza-tion, cooling, and alkali loss are key factors controlling REE mineralization, which agrees well with geological observations. |
资助项目 | National Natural Science Foundation of China[41922023] ; National Natural Science Foundation of China[41903053] ; National Natural Science Foundation of China[42130109] ; National Natural Science Foundation of China[41973055] ; Hainan Association for Science and Technol- ogy[QCXM201915] ; Natural Science Foundation of Hainan Province[422MS106] |
WOS关键词 | FLUID INCLUSIONS ; SOLUBILITY ; MINERALS ; CARBONATITE ; PRESSURE ; RANGE |
WOS研究方向 | Geology |
语种 | 英语 |
出版者 | GEOLOGICAL SOC AMER, INC |
WOS记录号 | WOS:001007196700007 |
资助机构 | National Natural Science Foundation of China ; Hainan Association for Science and Technol- ogy ; Natural Science Foundation of Hainan Province |
内容类型 | 期刊论文 |
源URL | [http://ir.idsse.ac.cn/handle/183446/10370] |
专题 | 深海科学研究部_深海极端环境模拟研究实验室 |
通讯作者 | Chou, I. -Ming; Wang, Xiaolin |
作者单位 | 1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Mineral Resources, Beijing 100029, Peoples R China 2.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China 3.Nanjing Univ, Sch Earth Sci & Engn, Nanjing 210023, Jiangsu, Peoples R China 4.Nanjing Univ, State Key Lab Mineral Deposits Res, Frontiers Sci Ctr Crit Earth Mat Cycling, Nanjing 210023, Jiangsu, Peoples R China 5.Chinese Acad Sci, Inst Deep Sea Sci & Engn, Lab Expt Study Deep Sea Extreme Condit, Sanya 572000, Hainan, Peoples R China |
推荐引用方式 GB/T 7714 | Wan, Ye,Chou, I. -Ming,Wang, Xiaolin,et al. Hydrothermal sulfate surges promote rare earth element transport and mineralization[J]. GEOLOGY,2023,51(5):449-453. |
APA | Wan, Ye,Chou, I. -Ming,Wang, Xiaolin,Wang, Ruoheng,&Li, Xiaochun.(2023).Hydrothermal sulfate surges promote rare earth element transport and mineralization.GEOLOGY,51(5),449-453. |
MLA | Wan, Ye,et al."Hydrothermal sulfate surges promote rare earth element transport and mineralization".GEOLOGY 51.5(2023):449-453. |
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