What is a fold mountain?

Fold mountains are mountains that form mainly by the effects of folding on layers within the upper part of the Earth’s crust. Before either plate tectonic theory developed, or the internal architecture of thrust belts became well understood, the term was used for most mountain belts, such as the Himalayas.

Fold mountain are mountains that are formed mainly by the effect of folding

Fold mountains are formed by the effects of folding on layers within the upper part of the Earth’s crust.