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The Sibao Orogen in South China is one of the poorest known Grenville-aged orogenic belts through which the Neoproterozoic supercontinent Rodinia assembled. We report here the first UV laser spot 40 Ar/ 39 Ar mica and SHRIMP U–Pb zircon ages from a rare Grenville-aged metamorphic complex, the Tianli Schists, in the eastern Sibao Orogen. Our U–Pb zircon provenance ages indicate that...
There is a consensus that the nature and evolution of the widespread Neoproterozoic igneous rocks along the western margin of the Yangtze Block are important for understanding the tectonic evolution of South China, but the petrogenesis and tectonic affiliations of these rocks are still highly debated. The Yanbian region in the southwestern Yangtze Block preserves Neoproterozoic igneous packages that...
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