| Block Mountain | Fold Mountain |
| (i) When a part of the earth’s crust between two parallel faults is lifted a block mountain is formed. | (i) Because of the energy waves and pressure working towards each other, the layers of the soft rocks form folds leading to the formation of fold mountains. |
| (ii) Block mountains are formed due to tension. | (ii) Fold mountains are formed due to compression. |
| (iii) e.g. The Black forest mountains of Europe and the Meghalaya Plateau of India. | (iii) e.g. The Himalayas, the Aravalis, the Rockies, the Andes, the Alps |