During this period of karsting, the top 20 to 30 feet of limestone was dissolved away, leaving
a very irregular surface on the remaining limestone.
I have just definitively proven above that it is not a feature of static equilibrium, it is a dynamic phenomena caused by differential and
irregular time dependent heating and cooling, where the bulk of the heating is at the
surface, but where heat loss occurs to some extent
very high up in the atmosphere as well.