Another crater,another extinction? (Introduction)
by David Turell 
, Saturday, June 14, 2014, 14:25 (3815 days ago)
In Russia 33 million years ago:-http://www.livescience.com/46312-popigai-crater-linked-eocene-mass-extinction.html?cmpid=557686
by David Turell , Saturday, June 14, 2014, 14:25 (3815 days ago)
In Russia 33 million years ago:-http://www.livescience.com/46312-popigai-crater-linked-eocene-mass-extinction.html?cmpid=557686