Thread: Fallen arch
View Single Post
  #9  
Old 08-10-2008, 05:08 PM
Botnst's Avatar
Botnst Botnst is offline
Banned
  
Join Date: Jun 2003
Location: There castle.
Posts: 44,601
Quote:
Originally Posted by Howitzer View Post
The formations are still growing which puts many of them @ 300m years and some change. When is an arch conceived? Is it when the erosion begins or able to support itself?
Is it conceived when nature thrusts through the barrier?
Reply With Quote