40Ar/39Ar Dates from the West Siberian Basin: Siberian Flood Basalt Province Doubled

@article{Reichow200240Ar39ArDF,
  title={40Ar/39Ar Dates from the West Siberian Basin: Siberian Flood Basalt Province Doubled},
  author={M. Reichow and A. Saunders and Rosalind V. White and M. Pringle and A. Al’mukhamedov and A. Medvedev and N. P. Kirda},
  journal={Science},
  year={2002},
  volume={296},
  pages={1846 - 1849}
}
Widespread basaltic volcanism occurred in the region of the West Siberian Basin in central Russia during Permo-Triassic times. New 40Ar/39Ar age determinations on plagioclase grains from deep boreholes in the basin reveal that the basalts were erupted 249.4 ± 0.5 million years ago. This is synchronous with the bulk of the Siberian Traps, erupted further east on the Siberian Platform. The age and geochemical data confirm that the West Siberian Basin basalts are part of the Siberian Traps and at… Expand

Topics from this paper

Oblique rift geometry of the West Siberian Basin: tectonic setting for the Siberian flood basalts
Siberian trap magmatism on the New Siberian Islands: constraints for Arctic Mesozoic plate tectonic reconstructions
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