Survival in the first hours of the Cenozoic

  title={Survival in the first hours of the Cenozoic},
  author={D. Robertson and M. Mckenna and O. Toon and S. Hope and J. Lillegraven},
  journal={Geological Society of America Bulletin},
  • D. Robertson, M. Mckenna, +2 authors J. Lillegraven
  • Published 2004
  • Geology
  • Geological Society of America Bulletin
  • For several hours following the Chicxulub impact, the entire Earth was bathed with intense infrared radiation from ballistically reentering ejecta. The global heat pulse would have killed unsheltered organisms directly and ignited fires at places where adequate fuel was available. Sheltering underground, within natural cavities, or in water would have been a necessary but not always sufficient condition for survival. Survival through sheltering from an initial thermal pulse is not adequately… CONTINUE READING
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