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REE geochemistry of sulfides from the Huize Zn-Pb ore field, Yunnan Province: Implication for the sources of ore-forming metals
Li, W.B.;  Huang, Z.L.;  Qi, L
2007
Source PublicationActa Geologica Sinica-English Edition
Volume81Issue:3Pages:442-449
Abstract

REE abundances in sulfides from the Huize Zn-Pb ore field were determined with the ICP-MS after preconcentration. The REE abundances in 26 sulfide samples (including pyrite, galena and sphalerite) are very low, with theεREE ranging from 1.6×10-9 to 166.8×10-9. Their LREE/HREE ratios range from 7.6 to 98, showing LREE enrichment relatively. TheδEu values are below 1, indicating that they were deposited from an Eu-depleted and reducing fluid-system. Similar to the ore-hosting carbonate strata, calcite separates from carbonate veinlets filling in the fractures or faults crosscutting the carbonate strata also show clear Eu-depletion. This indicates that the carbonate veinlets and their parent fluid was possibly sourced from the strata and inherited the REE geochemical features of the strata. Therefore, REE-geochemical characteristics of both the sulfides and calcites, which were deposited from an ore-forming hydrothermal system, are similar to those of carbonate strata, and strongly suggest that the ore metals were mainly sourced from carbonate strata. 

Language英语
Document Type期刊论文
Identifierhttp://ir.gyig.ac.cn/handle/42920512-1/8120
Collection矿床地球化学国家重点实验室
AffiliationState Key Laboratory of Ore Deposit Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China
Recommended Citation
GB/T 7714
Li, W.B.;Huang, Z.L.;Qi, L. REE geochemistry of sulfides from the Huize Zn-Pb ore field, Yunnan Province: Implication for the sources of ore-forming metals[J]. Acta Geologica Sinica-English Edition,2007,81(3):442-449.
APA Li, W.B.;Huang, Z.L.;Qi, L.(2007).REE geochemistry of sulfides from the Huize Zn-Pb ore field, Yunnan Province: Implication for the sources of ore-forming metals.Acta Geologica Sinica-English Edition,81(3),442-449.
MLA Li, W.B.;Huang, Z.L.;Qi, L."REE geochemistry of sulfides from the Huize Zn-Pb ore field, Yunnan Province: Implication for the sources of ore-forming metals".Acta Geologica Sinica-English Edition 81.3(2007):442-449.
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