View Full Version : Coastal Formations Not Result of Asteroid Impact

2009-May-01, 11:20 PM
Coastal formations called chevrons, large U- or V-shaped features found on coastlines around the world were originally thought to be evidence of ancient “megatsunamis” caused by asteroids or comets slamming into the ocean. However, new research using Google Earth and computer models to recreate large wave action refutes that school of thought.(...)Read the rest [...]

More... (http://www.universetoday.com/2009/05/01/coastal-formations-not-result-of-asteroid-impact/)

2009-May-01, 11:45 PM
I would have put it differently. These features were originally thought to have been normal parabolic dunes found in many parts of the world. A few voodoo scientists suggested recently they were formed by megatsunamis on the basis of specious reasoning and igorance of basic geomorphology. This was never accepted by geomorphologists in general.