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Friday, 5 March 2010

Meteorite impacts and climate change

So while we are still debating a terrestrial vs. extraterrestrial cause for the Younger Dryas cooling after Debs' interesting discussion meeting, at least we can be sure about the K-T boundary event and those sad-looking dinosaurs!

Click here for link to original article in the Guardian.

Click here for Firestone et al., (2007) paper 'Evidence for an extraterrestrial impact 12,900 years ago that contributed to the megafaunal extinctions and the Younger Dryas cooling' and here for the follow up, Paquay et al., (2009) 'Absence of geochemical evidence for an impact event at the Bølling–Allerød/Younger Dryas transition'.