Sr-Nd-Pb Isotopic Geochemistry of the Hukeng Granite Body in Jiangxi Province, South China

被引：0
|
作者：
Liu, Jun [1 ,2 ]
Liao, Zhenxiu [1 ]
Chen, Ying [1 ]
Zhan, Yong [3 ]
Guan, Youfei [4 ]
机构：
[1] Anhui Univ Architecture, Ziyun Rd 292, Hefei 230601, Anhui, Peoples R China
[2] Anhui Bldg Struct & Underground Engn Prov Lab, Hefei 230601, Anhui, Peoples R China
[3] Sinodrill Co Ltd, Beijing 100012, Peoples R China
[4] CNNCM, South Inst Geol Survey, Changsha 410001, Hunan, Peoples R China
来源：
ADVANCES IN CIVIL AND INDUSTRIAL ENGINEERING, PTS 1-4 | 2013年 / 353-356卷
基金：
中国国家自然科学基金;
关键词：
Hukeng granite body; Sr isotope; Nd isotope; Pb isotope; MANTLE; CRUST;
D O I：
10.4028/www.scientific.net/AMM.353-356.1187
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The Mesozoic Hukeng granite body locates in southeast limb of Wugongshan compound anticline in Jiangxi Province, South China. This study uses samples from the Hukeng granite body to determine the characteristics of Sr-Nd-Pb isotopes and source of the granite body. The rocks have Sr-87/Sr-86 ratios as high as 0.84112, suggesting that crustal contamination existed there. The rocks have higher ratios of Rb-87/Sr-86, Sr-87/Sr-86 and (Sr-87/Sr-86)(i), and lower ratios of Sm-147/Nd-144, Nd-43/Nd-144 and lower epsilon(Nd(t)), indicating that the Hukeng granite body possesses EMII-like characteristics. Combined with Pb isotopic values (Pb-206/Pb-204 ratios from 18.5313 to 18.8460, Pb-207/Pb-204 ratios from 15.6562 to 15.6782 and Pb-208/Pb-204 ratios from 38.7015 to 38.7565), the Hukeng granite body originated from EMII and suffered crustal contamination in certain extent.
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收藏
页码：1187 / +
页数：2
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