Ignition of global wildfires at the Cretaceous/Tertiary boundary

Abstract

AN impressive amount of evidence supports the proposal of Alvarez et al. 1,2 that the Cretaceous era was ended abruptly by the impact of a comet or asteroid. The recent discovery3,4 of an apparently global soot layer at the Cretaceous/Tertiary boundary indicates that global wildfires were somehow ignited by the impact. Here we show that the thermal… (More)
DOI: 10.1038/343251a0

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