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Geochemical, Sr-Nd isotope, and zircon U-Pb geochronological constraints on the origin of Early Cretaceous carbonatite dykes, northern Shanxi Province, China
Liu S(刘燊);  Feng CX(冯彩霞);  Hu RZ(胡瑞忠);  Lai SC(赖绍聪);  Ian M Coulson;  Feng GY(冯光英);  Yang YH(杨毓红)
2014
Source Publication岩石学报
Pages350-360
Abstract

碳酸岩广泛出露在华北克拉通的山西省。此文中,针对研究区的碳酸岩墙,我们给出新的地球化学、Sr-Nd同位素和锆石U-Pb年龄。LA-ICP-MS锆石定年结果显示,该岩墙的侵位年龄为132.9Ma,全岩K-Ar年龄为131.3~132.6 Ma。碳酸岩墙具有非常一致的主量元素组成,富集轻稀土元素和大离子亲石元素(Ba、U、Pb、Sr),以及亏损K和高场强元素(Ta、P和Ti)。另外,该岩墙具有相对一致的(87Sr/86Sr)i(0.7079~0.7083)和负的εNd(t)(-16.7~-15.2)。以上地球化学特征表明,该岩墙为大陆地壳和此大陆岩石圈地幔混合时期,受明显地壳混染的下岩石圈地幔的部分熔融作用。

Keyword白垩纪 碳酸岩墙 山西 华北克拉通北部
Indexed ByEI
Language英语
Document Type期刊论文
Identifierhttp://ir.gyig.ac.cn/handle/42920512-1/9305
Collection矿床地球化学国家重点实验室
Affiliation1.大陆动力学国家重点实验室,西北大学地质学系
2.矿床地球化学国家重点实验室,中国科学院地球化学研究所
3.国体地球研究实验室,里贾纳大学地质学系
Recommended Citation
GB/T 7714
刘燊;冯彩霞;胡瑞忠;赖绍聪;Ian M Coulson;冯光英;杨毓红. Geochemical, Sr-Nd isotope, and zircon U-Pb geochronological constraints on the origin of Early Cretaceous carbonatite dykes, northern Shanxi Province, China[J]. 岩石学报,2014:350-360.
APA 刘燊;冯彩霞;胡瑞忠;赖绍聪;Ian M Coulson;冯光英;杨毓红.(2014).Geochemical, Sr-Nd isotope, and zircon U-Pb geochronological constraints on the origin of Early Cretaceous carbonatite dykes, northern Shanxi Province, China.岩石学报,350-360.
MLA 刘燊;冯彩霞;胡瑞忠;赖绍聪;Ian M Coulson;冯光英;杨毓红."Geochemical, Sr-Nd isotope, and zircon U-Pb geochronological constraints on the origin of Early Cretaceous carbonatite dykes, northern Shanxi Province, China".岩石学报 (2014):350-360.
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