Have you looked into electric universe theory? Kind of ties into this. The last cataclysm is theorized due to a plasma discharge instead of a comet. This explains much of the artwork around the world at that time looking like plasma discharges.

Pic

Randal Carlson has tons of good videos on this on CommieTube also but he's believes it was a comet impact. Thunderbolts Project has a lot of vids on electric universe.