| Reconstruction of protoliths of metamorphic rocks and tectonic setting of Wolegen Group |
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| 作者姓名： | References： |
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| 作者单位： | College of Earth Sciences, jilin University, Changchun 130061 , China |
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| 摘 要： | Parametamorphic rocks from Arong County in southeastern Inner Mongolia- Daxinganling district are regarded as Proterozoic in age, belonging to the Wolegen Group and composed of volcanoclastic and sand- stone in origin, and have been disputed in tectonic setting. Because of the stability in metamorphism, the rare earth elements indicate the features of their protoliths. The authors integrated the petrologic methods with the geochemical parameters which include ЕREE, ЕLREE/NHREE, δCe, δEu, La/Yb, Sm/Nd, Th/Sc and the standard values of chondrite. The results show that the protoliths of Wolengen Group may be a group of volcanoclastic and continental margin clastic rocks, and their tectonic setting is the continent island arc.
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| 关 键 词： | 重建 地球化学参数组合 构造浓凝 盐边地层特性 海底熔盐 砂石 |
| 文章编号： | 1673-9736（2007）01-0105-05 |
Reconstruction of protoliths of metamorphic rocks and tectonic setting of Wolegen Group |
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| Lizhi LUO,Wei JIN,Changqing ZHENG,Xianli YANG,.Reconstruction of protoliths of metamorphic rocks and tectonic setting of Wolegen Group[J].Journal of Geoscientific Research in Northeast Asia,2007,10(1):105-109. |
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| Authors: | Lizhi LUO Wei JIN Changqing ZHENG Xianli YANG |
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| Abstract: | |
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| Keywords: | Wolegen Group metamorphic volcanoclastic rocks metasandstone geochemical parameters reconstruction protoliths tectonic setting |
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