This is where a thin seam of the meteorite dust thought to have wiped the dinosaurs out.
The is I believe enriched in iridium,which marks the k-t boundary.
Showing posts with label gubbio umbria region italy meteorite dust dinosaurs iridium k-t boundary. Show all posts
Showing posts with label gubbio umbria region italy meteorite dust dinosaurs iridium k-t boundary. Show all posts
Friday, 9 April 2010
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