| 赣东北元古代蛇绿岩Sm—Nd同位素年龄及地质意义 |
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| 引用本文： | 邢凤鸣,徐 祥,陈江峰,周禧泰,K.Afoland.赣东北元古代蛇绿岩Sm—Nd同位素年龄及地质意义[J].岩石矿物学杂志,1992,11(2):120-124. |
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| 作者姓名： | 邢凤鸣 徐 祥 陈江峰 周禧泰 K.Afoland |
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| 作者单位： | 安徽省地质科学研究所，安徽省地质科学研究所，中国科学技术大学，中国科学技术大学，俄亥俄州州立大学 合肥 230001，合肥 230001，合肥 230026，合肥 230026，美国 |
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| 摘 要： | 江南古陆东南缘赣东北弋阳—德兴—婺源一线有一条蛇绿岩带,普遍认为它是二个一级大地构造单元的分界线,形成于元古代。推断蛇绿混杂岩是元古代古洋壳俯冲时被挤上来的碎片;也有人认为它是中生代二大古陆之间的缝合线。Sm-Nd矿物等时线给出1034±16Ma(MSWD=1.0)的同位素年龄,它符合元古代缝合带的观点,而不利于中生代缝合带。
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| 关 键 词： | 蛇绿岩 同位素 年龄 钐－钕 地质 |
Sm-Nd Isotopic Age of Proterozoic Ophiolites in Northeastern Jiangxi and Its Geological Significance |
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| Xing Fengming,Xu Xiang,Chen Jiangfeng,Zhou Taixi,K. A. Foland Anhui Institute of Geological Sciences,Hefei University of Science and Technology of Chin,Hefei,Ohio State University,Columbus,Ohio,USA.Sm-Nd Isotopic Age of Proterozoic Ophiolites in Northeastern Jiangxi and Its Geological Significance[J].Acta Petrologica Et Mineralogica,1992,11(2):120-124. |
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| Authors: | Xing Fengming Xu Xiang Chen Jiangfeng Zhou Taixi K A Foland Anhui Institute of Geological Sciences Hefei University of Science and Technology of Chin Hefei Ohio State University Columbus Ohio USA |
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| Institution: | Xing Fengming,Xu Xiang,Chen Jiangfeng,Zhou Taixi,K. A. Foland Anhui Institute of Geological Sciences,Hefei 230001 University of Science and Technology of China,Hefei,230026 Ohio State University,Columbus,Ohio 43210,USA |
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| Abstract: | |
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| Keywords: | northeastern Jiangxi ophiolites Sm-Nd isotope age |
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