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The Archean Beitai-Waitoushan migmatite-syenogranite complex (BWMC) is located in the northeast of the Anshan-Benxi continent block (ABCB) where has ∼3.8Ga rocks outcropped in the northeastern North China Craton (NCC). The BWMC consists chiefly of weakly migmatized tonalitic-trondhjemitic gneisses, migmatites with various volumes of potassium-rich granitoid veins from either syenogranite magma or...
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