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Geochronology, geochemistry and tectonic implications of Xiongshan diabasic dike swarm, northern Fujian

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Abstract

Sm/Nd isotopic age determination showed that Xiongshan dike swarm was at 585.7 Ma ± 30 Ma. The trace element geochemistry and Sr/Nd/Pb isotope gemhemistry studies indicate that the dike swarm was products of back-arc basin spreading ridge and the magma originated from the depleted mantle region which was metasomatized by LILE-rich liquids/melts derived from subduction slab.

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Project supported by the National Natural Science Foundation of China.

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Ren, S., Li, J., Zhou, X. et al. Geochronology, geochemistry and tectonic implications of Xiongshan diabasic dike swarm, northern Fujian. Sci. China Ser. D-Earth Sci. 40, 411–417 (1997). https://doi.org/10.1007/BF02877573

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  • DOI: https://doi.org/10.1007/BF02877573

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