| 甘肃北山音凹峡南花岗岩 的锆石LA-ICP MS定年及其构造意义 |
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| 引用本文： | 张文,冯继承,郑荣国,吴泰然,罗红玲,贺元凯,荆旭.甘肃北山音凹峡南花岗岩 的锆石LA-ICP MS定年及其构造意义[J].岩石学报,2011,27(6):1649-1661. |
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| 作者姓名： | 张文 冯继承 郑荣国 吴泰然 罗红玲 贺元凯 荆旭 |
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| 作者单位： | 造山带和地壳演化教育部重点实验室,北京大学地球与空间科学学院,北京100871 |
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| 基金项目： | 本文受国家自然科学基金项目(40672146)资助. |
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| 摘 要： | 本文对位于甘肃北山南带的音凹峡南花岗岩体进行了锆石LA-ICP-MS定年和Hf同位素分析,结果表明该花岗岩体的形成年龄为281.7±2.9Ma,εHf(t)=+4.4～+7.8,平均+5.9；Hf同位素的模式年龄为613～771Ma.音凹峡南花岗岩体以黑云母花岗岩为主,偏铝质-过铝质,中钾钙碱性特征,具有较高的SiO2...
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| 关 键 词： | 后碰撞 花岗岩 二叠纪 锆石U -Pb年龄 Hf同位素 音凹峡 北山 |
| 收稿时间： | 2009/10/22 0:00:00 |
| 修稿时间： | 2010/8/16 0:00:00 |
LA-ICP MS zircon U-Pb ages of the granites from the south of Yin'aoxia and their tectonic significances |
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| ZHANG Wen,FENG JiCheng,ZHENG RongGuo,WU TaiRan,LUO HongLing,HE YuanKai and JING Xu.LA-ICP MS zircon U-Pb ages of the granites from the south of Yin'aoxia and their tectonic significances[J].Acta Petrologica Sinica,2011,27(6):1649-1661. |
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| Authors: | ZHANG Wen FENG JiCheng ZHENG RongGuo WU TaiRan LUO HongLing HE YuanKai and JING Xu |
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| Institution: | Key Laboratory of Orogenic Belts and Crustal Evolution,Ministry of Education,School of Earth and Space Sciences,Peking University,Beijing 100871,China;Key Laboratory of Orogenic Belts and Crustal Evolution,Ministry of Education,School of Earth and Space Sciences,Peking University,Beijing 100871,China;Key Laboratory of Orogenic Belts and Crustal Evolution,Ministry of Education,School of Earth and Space Sciences,Peking University,Beijing 100871,China;Key Laboratory of Orogenic Belts and Crustal Evolution,Ministry of Education,School of Earth and Space Sciences,Peking University,Beijing 100871,China;Key Laboratory of Orogenic Belts and Crustal Evolution,Ministry of Education,School of Earth and Space Sciences,Peking University,Beijing 100871,China;Key Laboratory of Orogenic Belts and Crustal Evolution,Ministry of Education,School of Earth and Space Sciences,Peking University,Beijing 100871,China;Key Laboratory of Orogenic Belts and Crustal Evolution,Ministry of Education,School of Earth and Space Sciences,Peking University,Beijing 100871,China |
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| Abstract: | |
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| Keywords: | Post-collision Granite Permian Zircon U-Pb age Hf-isotope Yin'aoxia Beishan |
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