Synchronism of the Siberian Traps and the Permian-Triassic Boundary

@article{Campbell1992SynchronismOT,
  title={Synchronism of the Siberian Traps and the Permian-Triassic Boundary},
  author={I. Campbell and G. Czamanske and V. Fedorenko and R. Hill and V. Stepanov},
  journal={Science},
  year={1992},
  volume={258},
  pages={1760 - 1763}
}
  • I. Campbell, G. Czamanske, +2 authors V. Stepanov
  • Published 1992
  • Geology, Medicine
  • Science
  • Uranium-lead ages from an ion probe were taken for zircons from the ore-bearing Noril'sk I intrusion that is comagmatic with, and intrusive to, the Siberian Traps. These values match, within an experimental error of �4 million years, the dates for zircons extracted from a tuff at the Permian-Triassic (P-Tr) boundary. The results are consistent with the hypothesis that the P-Tr extinction was caused by the Siberian basaltic flood volcanism. It is likely that the eruption of these magmas was… CONTINUE READING
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