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Petrological geochronology and zircon SHRIMP U-Pb of Tongchang diorites, Mianluening area, Southern Shaanxi provience, China.
Ye, L; Cheng, ZT; Lu, LN; Gao, W; Pan, ZP; yelin@vip.gyig.ac.cn
2009
发表期刊ACTA PETROLOGICA SINICA
ISSN1000-0569
卷号25期号:11页码:2866-2876
摘要The paper research on the petrological geochronology and zircon SHRIMP U-Pb of Thongehang diorites, Mian-Lue-Ning area, Southern Shanxi Province, China. The results show that the diorites, which belong to low K cale-alkali series rocks, are characterized by comparative losing of medium-high field strong elements in microelements and comparative enrichment of large ion lithophile elements. The Chondrite-normalized REE patterns of the diorites, which are similar and successive with that of Bikou group marine volcanic rocks, belong to the LREE-rich type with obvious negative anomaly of Eu, reflecting its island-arc volcanic features. It is suggested that there is a relationship between the diorites and the mineralization of Cu, the diorites may be one of source of metallogenic mass, and the diorites may come from the earth's crust or consumingly contaminated by the earth's crust with no remarkable crystallization differentiation. The geological setting of the forming of the diorites was belonging to collision doming-island arc volcanic, and the mineralization was late to the intrusion of the diorites. The diorites has a SHRIMP zircon U-Pb age of 842 +/- 6.5Ma and suggests it belongs to the invasive magma at the late stage of the stratum-Bikou group spilite, and formed by partly melting from Bikou group spilite. The comparative enrichment of LREE of the diorites may relate to inheriting the REE feature of the source of rocks.
部门归属[Ye Lin; Cheng ZengTao; Lu LiNa; Gao Wei; Pan ZiPing] Chinese Acad Sci, Inst Geochem, Natl Key Lab Ore Deposit Geochem, Guiyang 550002, Peoples R China; [Ye Lin] Chinese Acad Sci, Key Lab Marginal Sea Geol, Guangzhou Inst Geochem, Guangzhou 510640, Peoples R China; [Ye Lin] Chinese Acad Sci, S China Sea Inst Oceanol, Guangzhou 510640, Peoples R China; [Cheng ZengTao; Lu LiNa; Gao Wei; Pan ZiPing] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
关键词Mian-lue-ning Area Tongchang Diorite Petrological Geochronology Zircon Shrimp U-pb Age
学科领域Geology
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收录类别sci
资助项目海洋地质
WOS记录号WOS:000273455000016
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被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/4588
专题中科院边缘海地质重点实验室
通讯作者yelin@vip.gyig.ac.cn
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Ye, L,Cheng, ZT,Lu, LN,et al. Petrological geochronology and zircon SHRIMP U-Pb of Tongchang diorites, Mianluening area, Southern Shaanxi provience, China.[J]. ACTA PETROLOGICA SINICA,2009,25(11):2866-2876.
APA Ye, L,Cheng, ZT,Lu, LN,Gao, W,Pan, ZP,&yelin@vip.gyig.ac.cn.(2009).Petrological geochronology and zircon SHRIMP U-Pb of Tongchang diorites, Mianluening area, Southern Shaanxi provience, China..ACTA PETROLOGICA SINICA,25(11),2866-2876.
MLA Ye, L,et al."Petrological geochronology and zircon SHRIMP U-Pb of Tongchang diorites, Mianluening area, Southern Shaanxi provience, China.".ACTA PETROLOGICA SINICA 25.11(2009):2866-2876.
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