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The mantle source of late Mesozoic mafic magmas in the southeastern North China Craton is generally considered to have been enriched by deeply subducted continental lithosphere of the Yangtze Block. The mechanisms through which enrichment occurs are still unclear. Here we document an Early Cretaceous (zircon U–Pb age at 115±2Ma) dioritic intrusion with some geochemical features similar to sanukitoids...
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