Late Permian magnetostratigraphy and its global correlation |
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Authors: | Yugan Jin Qinghua Shang Changqun Cao |
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Institution: | (1) Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, 210008 Nanjing, China |
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Abstract: | A calibration among magnetic polarity sequence, biostratigraphy zonation and isotopic age reveals that the boundary between
the Carboniferous-Permian reversed Polarity Superzone and Permian-Triassic Mixed Polarity Superzone occurs at the top of the
Wordian Stage of the Guadalupian Series and is dated as 265 Ma. The Late Permian magnetic polarity sequence integrates four
polarity zones, corresponding to the Upper Guadalupian Series, the Wuchiapingian Stage, and the Lower and the Upper Changhsingian
Stage of the Lopingian Series. This reference magnetostratigraphy polarity sequence may serve as a useful guide to the chronostratigraphic
correlation of Late Permian strata across major biogeographic and facies barriers. |
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Keywords: | Permian magnetostratigraphy biostratigraphy Illawarra Reversal |
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