A Tour of The 9 Oldest Mountain Ranges on Earth As a little refresher from 2nd grade, mountains generally form in three different ways, all involving plate tectonics. So before we scroll and look at the pretty pictures of the mountains, I am going to do a quick little crash course on how these beautiful creations that we love form. Fold Mountain: Two tectonic plates collide, and the less dense […] Brains Luke Guilford | March 8, 2023 0 Comments