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Calibrating the Guadalupian Series (Middle Permian) of South China
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文摘
High-precision CA-ID-TIMS and SIMS U-Pb zircon dates of three ash beds from the Guadalupian of South China are documented. The age of 272.95 ± 0.11 Ma is suggested for the base of the Guadalupian Series. The duration of the Guadalupian Epoch is about 13.85 myr.

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