Hello for All Yes, it is true, some of the craters (palaeolagoons) that I investigate is that age, 12,900 years. https://sites.google.com/site/cosmopier/impact-craters/end-pleistocene-palaeolagoons The world is so big. Would be good if more researchers around the world to join this research for impactites, although microscopic. regards pierson
Honorable Mention: Clovis Comet in Natural History
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Visit the article and join the conversation →If anyone wishes to ask questions about my paper (http://principia-scientific.org/PROM/COTTON%20PROM%20paper%20PSI_Planetary_Surface_Temperatures.pdf), 'Planetary Surface Temperatures A Discussion of Alternative Mechanisms" or if you believe you have an alternative explanation for the Venus surface temperature, please post your question or response below this post (http://www.drroyspencer.com/2012/12/our-chaotic-climate-system/#comment-67335) as I wish to keep all discussion on the one thread. There is also discussion there regarding today's article on PSI which I did not write myself, by the way.
You beat me to it. Here (http://news.vanderbilt.edu/2012/12/saber-tooth-cat-extinction/) is the Vanderbilt University Press Release.