How are fold mountains formed? Give two examples of fold mountains?

The fold mountains are formed when earth's movement throws massive folds or ridges which form the mountains. These movements of earth are primarily horizontal movement and cause 'wrinkles' or 'folds'. The upraised parts of the folds are called anticlines and downward folds are called synclines. Two example of fold mountains are:

1. The Himalayas in India
2. Rockies in North America