Time Scales of Critical Events Around the Cretaceous-Paleogene Boundary

  title={Time Scales of Critical Events Around the Cretaceous-Paleogene Boundary},
  author={P. Renne and A. Deino and F. J. Hilgen and K. Kuiper and D. Mark and W. Mitchell and L. Morgan and R. Mundil and J. Smit},
  pages={684 - 687}
  • P. Renne, A. Deino, +6 authors J. Smit
  • Published 2013
  • Medicine
  • Science
  • Impact Dating The large mass extinction of terrestrial and marine life—most notably, non-avian dinosaurs—occurred around 66 million years ago, at the boundary between the Cretaceous and Paleogene periods. But attributing the cause to a large asteroid impact depends on precisely dating material from the impact with indicators of ecological stress and environmental change in the rock record. Renne et al. (p. 684; see the Perspective by Pälike) acquired high-precision radiometric dates of… CONTINUE READING
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