Genesis of the carbonatite-syenite complex and ree deposit at maoniuping, sichuan province, china: evidence from pb isotope geochemistry
文献类型：期刊论文
| 作者 | Xu, C; Zhang, H; Huang, ZL; Liu, CQ; Qi, L; Li, WB; Guan, T |
| 刊名 | Geochemical journal
 |
| 出版日期 | 2004 |
| 卷号 | 38期号:1页码:67-76 |
| 关键词 | Genesis Carbonatite Syenite Pb isotope Maoniuping ree deposit |
| ISSN号 | 0016-7002 |
| 通讯作者 | Xu, c(xucheng1999@lycos.com) |
| 英文摘要 | The maoniuping ree deposit is the second largest light rare earth elements deposit (1.45 million tons of ree2o3) in china. located in the panxi rift, sichuan province. it is a vein-type deposit hosted within, and genetically related to the himalayan alkalic carbonatite-syenite complex. the initial pb-206/pb-204 and pb-208/pb-204 ratios from the maoniuping carbonatites are similar to syenites, which, however, show more radiogenic pb-207/pb-204 ratios. this could not only be attributed to contamination by crustal materials. the pb-pb isotope plots from carbonatites and syenites define a linear array between em1 and em2. it suggests their sources were located in a heterogeneous lithospheric mantle and produced by the mixture of em1 with em2. the initial pb-206/pb-204 and pb-208/pb-204 ratios from fluorites, aalenas, pyrites and feldspar are similar to carbonatites and svenites, and different from aranites. their pb-207/pb-204 ratios also plot to between syenites and carbonatites. this suggests the ree ore-formina fluids were derived from carbonatite and syenite magmas. the pb isotopic results are consistent with a model for ree deposition involving mixing of the f-rich, syenite-derived fluid with ca-, co2-bearing fluid evolved from carbonatite magma. the early fluorites have higher pb-207/pb-204 ratio than the later ones, which shows that the ree ore-forming fluids were not contaminated by country rocks fluids. |
| WOS关键词 | RARE-EARTH-ELEMENTS ; STABLE-ISOTOPE ; FLUID INCLUSION ; STRONTIUM ISOTOPE ; MANTLE SOURCE ; FLUORITE MINERALIZATION ; HYDROTHERMAL SYSTEMS ; MAGMATIC FLUIDS ; INNER-MONGOLIA ; TRACE-ELEMENTS |
| WOS研究方向 | Geochemistry & Geophysics |
| WOS类目 | Geochemistry & Geophysics |
| 语种 | 英语 |
| WOS记录号 | WOS:000221438800005 |
| 出版者 | GEOCHEMICAL SOC JAPAN |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2376966 |
| 专题 | 中国科学院大学 |
| 通讯作者 | Xu, C |
| 作者单位 | 1.Chinese Acad Sci, Inst Geochem, Open Lab Ore Deposit Geochem, Guiyang 550002, Guizhou, Peoples R China 2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China |
| 推荐引用方式 GB/T 7714 | Xu, C,Zhang, H,Huang, ZL,et al. Genesis of the carbonatite-syenite complex and ree deposit at maoniuping, sichuan province, china: evidence from pb isotope geochemistry[J]. Geochemical journal,2004,38(1):67-76. |
| APA | Xu, C.,Zhang, H.,Huang, ZL.,Liu, CQ.,Qi, L.,...&Guan, T.(2004).Genesis of the carbonatite-syenite complex and ree deposit at maoniuping, sichuan province, china: evidence from pb isotope geochemistry.Geochemical journal,38(1),67-76. |
| MLA | Xu, C,et al."Genesis of the carbonatite-syenite complex and ree deposit at maoniuping, sichuan province, china: evidence from pb isotope geochemistry".Geochemical journal 38.1(2004):67-76. |
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来源：中国科学院大学
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