Geochronology, geochemistry and Sr–Nd–Pb–Hf isotopes of the Paleoproterozoic mafic dykes from the Wulashan area, North China Craton: Petrogenesis and geodynamic implications

Liang Wang,Genhou Wang,Shibin Lei,Wei Wang,Min Qing,Liqiong Jia,Chunjiao Chang,Jiankun Kang,Wanrong Hou

Precambrian Research（2016）

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摘要

•The mafic dykes from the Wulashan area emplaced at ca. 1770Ma.•The parental magmas experienced fractional crystallization and accumulation.•The mafic dykes originated from the subcontinental lithospheric mantle.•Post-orogenic setting may be the genetic model for these mafic dykes.

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关键词

Mafic dykes,Post-orogenic extension,Late Paleoproterozoic,Wulashan,North China Craton

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