Re: DINOSAUR digest 3384

[K and T Dykes <ktdykes@arcor.de>]

<<I agree there were large scale fires in K/T, but they cannot explain
extinction-survival pattern.>>

A global burst of heat delivered by infrared radiation caused by masses of
debris returning to Earth might, should we restrict ourselves to terrestrial
communities.

Robertson DS, McKenna MC, Owen BT, Hope S & Lillegraven JA, 2004, Survival
in the first hours of the Cenozoic, Geological Society of America Bulletin,
116 (5/6), p.760-768.
http://www.ugcs.caltech.edu/~presto/cenozoic.pdf

Crudely summarised, they blame the heat pulse for grilled dinos and charred
forests.
Cheers
Trevor