:::::::::Jab512, the evidence is that of an ocean basin. That's the starting point for any objective analysis. No river has ever been known to carve a shape like an ocean basin; but many have been formed by being submerged completely in water.--[[User:Aschlafly|Andy Schlafly]] 23:47, 12 August 2011 (EDT) | :::::::::Jab512, the evidence is that of an ocean basin. That's the starting point for any objective analysis. No river has ever been known to carve a shape like an ocean basin; but many have been formed by being submerged completely in water.--[[User:Aschlafly|Andy Schlafly]] 23:47, 12 August 2011 (EDT) |