How are mountains formed?

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Snow-capped peaks and rugged slopes of the Himalayas rise above a brown valley, seen from Cho La Pass in Everest National Park, Nepal.

Cross-sectional diagram of a subduction zone showing oceanic crust moving beneath continental crust, with features labeled including transform fault, oceanic ridge, trench, accretionary wedge, rising magma, and the Benioff-Wadati zone.

How are mountains formed?: Media

Images

Snow-capped peaks and rugged slopes of the Himalayas rise above a brown valley, seen from Cho La Pass in Everest National Park, Nepal.

Cho La Pass in the Himalayas in Everest National Park, Nepal.

The Himalayas were formed by the collision formed by the collision of the Indian...

© Blazej Lyjak/Dreamstime.com

Cross-sectional diagram of a subduction zone showing oceanic crust moving beneath continental crust, with features labeled including transform fault, oceanic ridge, trench, accretionary wedge, rising magma, and the Benioff-Wadati zone.

subducting tectonic plate

A subducting plate's path (called the Benioff-Wadati [or Wadati-Benioff] zone) is...

Encyclopædia Britannica, Inc.

Fault types

Fault types

Three basic fault types: (top) normal fault, (middle) reverse fault, and (bottom)...

Encyclopædia Britannica, Inc.