[meteorite-list] Ancient Earth Hammered by Double Space Impact

2014-03-19 Thread Bernd V. Pauli
Hello Greg and List, Greg inquires: [What about] Popagi CBIC?? = Other candidate double impact craters include Clearwater East and West in Quebec, Canada; Kamensk and Gusev in southern Russia; and Ries and Ste[i]nheim in southern Germany. Maybe Popigai and Chesapeake Bay are not

[meteorite-list] Ancient Earth Hammered by Double Space Impact

2014-03-19 Thread Bernd V. Pauli
Hello again, ...the determined ages are very, very close to one another. Right, Greg! = Chesapeake Bay around 35.5 - 35.2 million years, = Popigai 35.7 - 35.3 million years. Bernd __ Visit the Archives at http://www.meteorite-list-archives.com

Re: [meteorite-list] Ancient Earth Hammered by Double Space Impact

2014-03-18 Thread Greg Redfern
Popagi CBIC?? Greg Redfern NASA JPL Solar System Ambassador Daily Blog Twitter WTOP On Tue, Mar 18, 2014 at 6:49 PM, Ron Baalke baa...@zagami.jpl.nasa.gov wrote: http://www.bbc.com/news/science-environment-26172181 Ancient Earth hammered by double space impact By Paul Rincon BBC News 18