Protolith origin of eclogites from the North Qaidam UHP metamorphic Belt, NW China: Implications for the breakup of the Rodinia supercontinent

Xiao-Dong Wang,Lin Ding,Deng Zeng,Ya-Hui Yue, Ling-Ping Yang, Zhe-Jun Wang, Lu-An Xiao,Chao Wang

Precambrian Research（2023）

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摘要

•The eclogites in the NQUB were metamorphosed from Neoproterozoic mafic rocks.•The protoliths of the Group 1, Group 2 and Group 3 eclogites have been generated by variable extents of mixing between enriched and depleted mantle components.•Neoproterozoic mafic magmatism in the Altun-Qilian-Kunlun orogenic belt could be the product of mantle plume activities.

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关键词

Eclogite protolith,Whole-rock geochemistry,Mantle plume,North Qaidam,Rodinia supercontinent

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