Articles | Volume 8, issue 2
https://doi.org/10.5194/se-8-361-2017
https://doi.org/10.5194/se-8-361-2017
Research article
 | 
30 Mar 2017
Research article |  | 30 Mar 2017

Precise age for the Permian–Triassic boundary in South China from high-precision U-Pb geochronology and Bayesian age–depth modeling

Björn Baresel, Hugo Bucher, Morgane Brosse, Fabrice Cordey, Kuang Guodun, and Urs Schaltegger

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Cited articles

Algeo, T. J. and Twitchett, R. J.: Anomalous Early Triassic sediment fluxes due to elevated weathering rates and their biological consequences, Geology, 38, 1023–1026, https://doi.org/10.1130/G31203.1, 2010.
Baresel, B., D'Abzac, F. X., Bucher, H., and Schaltegger, U.: High-precision time-space correlation through coupled apatite and zircon tephrochronology: an example from the Permian-Triassic boundary in South China, Geology, 45, 83–86, https://doi.org/10.1130/g38181.1, 2016.
Benton, M. J.: The origins of modern biodiversity on land, Philos. T. Roy. Soc. Lond. B, 365, 3667–3679, https://doi.org/10.1098/rstb.2010.0269, 2010.
Bowring, J. F., McLean, N. M., and Bowring, S. A.: Engineering cyber infrastructure for U-Pb geochronology: tripoli and U-Pb_Redux, Geochem. Geophys. Geosyst., 12, Q0AA19, https://doi.org/10.1029/2010gc003479, 2011.
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Short summary
This study re-evaluates the characterization of the Permian–Triassic boundary based on high-precision U-Pb geochronology from two marine sections (Dongpan and Penglaitan) with continuous and conformable stage boundaries in the Nanpanjiang Basin (southern China). These new dates provide the basis for a first proof-of-concept study utilizing a Bayesian statistic age–depth chronology comparing these two sections with the Global Stratotype Section and Point at Meishan (western China).