Wiktionary
folded mountain
n. (context geology English) A mountain created when two tectonic plates collide into each other, head on.
Usage examples of "folded mountain".
In the opposite direction, southwest through gaps in the many-times-folded mountain, Sara glimpsed another wonder.
This looks like the sort of folded mountain formation where you'd get them.
We do not even today understand the connection between the size and structure of a planet and the presence of volcanism and mountains, although we do know that there are no significant folded mountain ranges on the Moon.
Glimpses of the folded mountain ranges and igneous plains of the continents' interiors appeared strikingly organic to his old-world sensibilities.