This type of mountain formation occurs when tectonic plates collide and cause the Earth's crust to buckle and fold. These folds can be large enough to form entire mountain ranges, and often run parallel to each other.
Some famous examples of fold mountains include:
* The Himalayas: The world's highest mountain range, 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 North American and African plates.
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