| Characteristics of Volcanic Rocks in the Shoshonite Province, Eastern China, and Their Metallogenesis |
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| 作者姓名： | Wang Dezi Ren Qijiang Qiu Jiansheng Chen Kerong Xu Zhaowen and Zeng Jiahu |
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| 作者单位： | Wang Dezi，Ren Qijiang，Qiu Jiansheng，Chen Kerong，Xu Zhaowen and Zeng Jiahu Department of Earth Sciences，Nanjing University，Nanjing，Jiangsu |
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| 基金项目： | This research was supported by the National Natural Science Foundation of China Grant No. 9488010 |
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| 摘 要： | The shoshonite province in eastern China is characterized by extensive distribution (ca. 80000 km2) of Late Jurassic-Early Cretaceous (165-100 Ma) shoshonite series with subordinate high-K calc-alkali series. It was formed in a dominantly tensile stress field. In comparison with their analogues in island arcs and active continental margins in other countries, the volcanic rocks in the shoshonite province have their specific characteristics in petrology, mineralogy and geochemistry as well as related mineralization association, which are the comprehensive reflection of the special composition and structure of the mantle and crust of the province and the special Mesozoic regional tectonic setting.
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Characteristics of Volcanic Rocks in the Shoshonite Province, Eastern China, and Their Metallogenesis |
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| Authors: | Wang Dezi Ren Qijiang Qiu Jiansheng Chen Kerong Xu Zhaowen and Zeng Jiahu |
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| Institution: | Wang Dezi,Ren Qijiang,Qiu Jiansheng,Chen Kerong,Xu Zhaowen and Zeng Jiahu Department of Earth Sciences,Nanjing University,Nanjing,Jiangsu |
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| Abstract: | The shoshonite province in eastern China is characterized by extensive distribution (ca. 80000 km2) of Late Jurassic-Early Cretaceous (165-100 Ma) shoshonite series with subordinate high-K calc-alkali series. It was formed in a dominantly tensile stress field. In comparison with their analogues in island arcs and active continental margins in other countries, the volcanic rocks in the shoshonite province have their specific characteristics in petrology, mineralogy and geochemistry as well as related mineralization association, which are the comprehensive reflection of the special composition and structure of the mantle and crust of the province and the special Mesozoic regional tectonic setting. |
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| Keywords: | shoshonite province regional tectonic setting isotopic composition mineralogical-petrological-geochemical characteristics eastern China |
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