Genesis of Makeng-type Fe-polymetallic deposits in SE China: New constraints by geochronological and isotopic data from the Dapai–Makeng metallogenic system

Absai Vatuva,Xiaolong He,Xinming Zhang,Da Zhang,Haibin Feng,Yuan Yuan,Sen Wang,Jinjun Yi,Yongjun Di

Geoscience Frontiers（2023）

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摘要

•Isotopic dating suggests three magma–mineralization events for the Dapai deposit.•Geology and S–Pb–Fe isotopes lead to a redefinition for the Makeng-type Fe deposits.•Ore-forming sources were derived from the Middle Jurassic–Early Cretaceous granites.•Episodic mineralization in SFDB was influenced by the subducted paleo-Pacific plate.

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关键词

Southwestern Fujian Depression Belt,Makeng-type Fe polymetallic deposit,Sulfide Rb–Sr dating,Zircon U–Pb dating,S–Pb–Fe isotopes,Geodynamic setting

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