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| 河南洛宁太华岩群斜长角闪岩的锆石^207Pb／^206Pb和角闪石^40Ar／^39Ar年龄 | |
| 引用本文： | 倪志耀,王仁民,童英,杨淳,戴潼谟.河南洛宁太华岩群斜长角闪岩的锆石^207Pb／^206Pb和角闪石^40Ar／^39Ar年龄[J].地质论评,2003,49(4):361-366. |
| 作者姓名： | 倪志耀 王仁民 童英 杨淳 戴潼谟 |
| 作者单位： | 1. 成都理工大学地球科学学院,610059;中国科学院地质与地球物理研究所,北京,100029 2. 北京大学地球与空间科学学院,100871 3. 中国地质科学院地质研究所,北京,100037 4. 中国科学院广州地球化学研究所,510640 |
| 基金项目： | 国家自然科学基金，49872065， |
| 摘 要： | 运用单颗粒锆石逐层蒸发法和角闪石40Ar/39Ar阶段加热法研究了河南洛宁太华岩群斜长角闪岩的同位素年龄.获得锆石207Pb/206Pb年龄为2675±2 Ma,角闪石40Ar/39Ar坪年龄和等时线年龄分别为2372.98±47.46 Ma和2349.10±46.98 Ma.锆石207Pb/206Pb年龄代表了斜长角闪岩原岩的形成时代,而角闪石40Ar/39Ar年龄则为其变质时代,与Sm-Nd等时线年龄(2351±103Ma)相一致.上述年龄数据表明河南洛宁地区太华岩群形成于新太古代,在古元古代遭受过一次角闪岩相变质作用. |
| 关 键 词： | 河南 太华岩群 斜长角闪岩 锆石 角闪石 同位素年龄 岩相变质 岩石学 |
207Pb/206Pb Age of Zircon and 40Ar/39Ar of Amphibole from Plagioclase Amphibolite in the Taihua Group, Luoning,Henan,China |
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| NI Zhiyao,WANG Renmin,TONG Ying,YANG Chun,DAI Tongmo College of Earth Sciences,Chengdu University of Technology,Chengdu,Sichuan.207Pb/206Pb Age of Zircon and 40Ar/39Ar of Amphibole from Plagioclase Amphibolite in the Taihua Group, Luoning,Henan,China[J].Geological Review,2003,49(4):361-366. | |
| Authors: | NI Zhiyao WANG Renmin TONG Ying YANG Chun DAI Tongmo College of Earth Sciences Chengdu University of Technology Chengdu Sichuan |
| Institution: | NI Zhiyao,WANG Renmin,TONG Ying,YANG Chun,DAI Tongmo College of Earth Sciences,Chengdu University of Technology,Chengdu,Sichuan, Institute of Geology and Geophysics,Chinese Academy of Sciences,Beijing, School of Earth and Space,Peking University,Beijing, Institute of Geology,Chinese Academy of Geological Sciences,Beijing, Guangzhou Institute of Geochemistry,Chinese Academy of Sciences,Guangzhou,Guangdong |
| Abstract: | |
| Keywords: | zircon amphibole isotopic age plgioclase amphibolite Taihua Group Henan Province |
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