Zircon U–Pb geochronology from a Paleoproterozoic mafic dyke in the Jiapigou terrane (North China Craton): inferences about formation and evolution of the early crust

The formation and evolution of the ancient crust have long been popular issues in the field of Earth sciences. At present, crustal rocks with ages older than 3.8 Ga are in the form of residual blocks and preserved only in the Wopmay orogenic belt in northern Canada, the new Labrador region in wester...

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