Here's how it happens:
* Convergent Plate Boundaries: Fold mountains are formed at convergent plate boundaries where two tectonic plates collide.
* Compression: The collision causes immense pressure and compression on the Earth's crust, squeezing the rock layers.
* Folding: The pressure forces the rock layers to bend and buckle, creating folds.
* Uplift: The folded layers of rock can then be uplifted to form mountains.
Examples of fold mountains include:
* The Himalayas: The tallest mountain range in the world, formed by the collision of the Indian and Eurasian plates.
* The Alps: A mountain range in Europe, formed by the collision of the African and Eurasian plates.
* The Appalachian Mountains: A mountain range in North America, formed by the collision of the African and North American plates in the past.