Thought you all would be interested in this article. Perhaps a long standing mystery has now been solved. It was a Comet, not an asteriod that created the big crater!

Wishing everyone a warm, happy Thanksgiving; and best wishes for Bold's great success in 2015.

Jacki

http://www.huffingtonpost.com/2014/11/18/sudbury-basin-comet-impact-crater_n_6168408.html