Articles | Volume 12, issue 5
https://doi.org/10.5194/bg-12-1597-2015
https://doi.org/10.5194/bg-12-1597-2015
Research article
 | 
12 Mar 2015
Research article |  | 12 Mar 2015

Amelioration of marine environments at the Smithian–Spathian boundary, Early Triassic

L. Zhang, L. Zhao, Z.-Q. Chen, T. J. Algeo, Y. Li, and L. Cao

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The Smithian--Spathian boundary was a key event in the recovery of marine environments and ecosystems following the end-Permian mass extinction ~1.5 million years earlier. Our analysis of the Shitouzhai section in South China reveals major changes in oceanographic conditions at the SSB intensification of oceanic circulation leading to enhanced upwelling of nutrient- and sulfide-rich deep waters and coinciding with an abrupt cooling that terminated the Early Triassic hothouse climate.
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