Microstructure and trace element occurrence in molybdenite (MoS2) from the Dexing ore field: Implications for the differential enrichment of rhenium
文献类型：期刊论文
| 作者 | Ren, Zhi2,3,4; Leng, Cheng-Biao2,3,4; Yang, Yiping1; Chen, Jiajie2; Wang, Andong3,4; Wang, Shuilong3,4 |
| 刊名 | ORE GEOLOGY REVIEWS
 |
| 出版日期 | 2025-02-01 |
| 卷号 | 177页码:12 |
| 关键词 | Differential enrichment of rhenium Molybdenite (MoS 2 ) Polytype Non-equilibrium crystallization Screw-dislocation Dexing ore field |
| ISSN号 | 0169-1368 |
| DOI | 10.1016/j.oregeorev.2025.106473 |
| 英文摘要 | Rhenium (Re), a critical metal of significant importance to national security and military strategies, has garnered extensive attention in recent years. Most of the world's rhenium is extracted from molybdenite in porphyry deposits. As the primary host-mineral of Re, molybdenite (MoS2) is a layered sulfide mineral featuring two hexagonally coordinated sulfur layers enclosing a molybdenum layer. Molybdenite, a mineral commonly found in hydrothermal ore deposits, is similar to other layered minerals in that it exhibits polytypism. Nevertheless, the nanoscale distribution and enrichment mechanisms of rhenium (Re) within molybdenite remain largely enigmatic. This research utilizes high-resolution transmission electron microscopy (HRTEM), in combination with the nanobeam techniques, to explore the occurrence and variable enrichment of rhenium (Re) in molybdenite extracted from the Fujiawu and Tongchang deposits within the Dexing ore field, eastern China, where notably diverse average rhenium contents are observed. The molybdenite polytypes identified in the Dexing ore field encompass 2H1 and 2H1 + 3R, whereas those from Fujiawu are categorized as 2H1 and 2Hd, and those from Tongchang as 2H1, 3R and 2Hd and 3Rd. The disordered molybdenite from the Dexing ore field formed under non-equilibrium conditions, with molybdenite from Fujiawu displaying a higher degree of orderliness compared to that from Tongchang. Rhenium is found adsorbed on the surface of molybdenite from the Dexing ore field in the form of Re-S complexes. By comparing the trace element compositions and microstructures of molybdenite from the Fujiawu and Tongchang deposits, we ascribe the differential enrichment of Re predominantly to the microstructures of molybdenite, the impurity content of ore-forming fluids, the rates of cooling and crystallization during molybdenite formation. |
| WOS研究方向 | Geology ; Mineralogy ; Mining & Mineral Processing |
| 语种 | 英语 |
| WOS记录号 | WOS:001421324900001 |
| 源URL | [http://ir.gig.ac.cn/handle/344008/82654]  |
| 专题 | 中国科学院矿物学与成矿学重点实验室 |
| 通讯作者 | Leng, Cheng-Biao |
| 作者单位 | 1.Chinese Acad Sci, Guangzhou Inst Geochem, CAS Key Lab Mineral & Metallogeny, Guangdong Prov Key Lab Mineral Phys & Mat, Guangzhou 510640, Peoples R China 2.East China Univ Technol, Jiangxi Prov Key Lab Genesis & Prospect Strateg Mi, Nanchang 330013, Peoples R China 3.East China Univ Technol, State Key Lab Nucl Resources & Environm, Nanchang 330013, Peoples R China 4.Natl Key Lab Uranium Resources Explorat Min & Nucl, Nanchang 330013, Peoples R China |
| 推荐引用方式 GB/T 7714 | Ren, Zhi,Leng, Cheng-Biao,Yang, Yiping,et al. Microstructure and trace element occurrence in molybdenite (MoS2) from the Dexing ore field: Implications for the differential enrichment of rhenium[J]. ORE GEOLOGY REVIEWS,2025,177:12. |
| APA | Ren, Zhi,Leng, Cheng-Biao,Yang, Yiping,Chen, Jiajie,Wang, Andong,&Wang, Shuilong.(2025).Microstructure and trace element occurrence in molybdenite (MoS2) from the Dexing ore field: Implications for the differential enrichment of rhenium.ORE GEOLOGY REVIEWS,177,12. |
| MLA | Ren, Zhi,et al."Microstructure and trace element occurrence in molybdenite (MoS2) from the Dexing ore field: Implications for the differential enrichment of rhenium".ORE GEOLOGY REVIEWS 177(2025):12. |
入库方式： OAI收割
来源：广州地球化学研究所
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