You Can Feel The History Inscribed In The Landscape - Tumblr Posts

They pop back up throughout the continent as the Ouachitas in Oklahoma and Arkansas (although how this connection occurs isn’t particularly well understood). The Ouachitas are also connected to the Marathon Uplift in Texas.

This part of the range is also different in that it somehow curves around underground (this isn’t particularly well understood), meaning that the Ouachitas run east-west, not north-south.