Differences between Fold Mountains and Block Mountains, Structure, Formation, Details
Fold Mountains
The presence of fossils suggests that the sedimentary rocks of these folded mountains were formed after accumulation and consolidation of silts and sediments in a marine environment.
Fold mountains extend for great lengths whereas their width is considerably small.
Generally, fold mountains have a concave slope on one side and a convex slope on the other.
Fold mountains are found along continental margins facing oceans.
Fold mountains are characterized by granite intrusions a massive scale.
Block Mountains
Block mountains are created when large areas or blocks of earth are broken and displaced vertically.
The uplifted blocks are termed as hours
Fold mountains belong to the group of youngest mountains of the earth.
and the lowered blocks are called graben.
Block mountains are surrounded by faults on either side of rift valleys or grabens.
There are two basic types.
Tilted block mountains have one steep side contrasted by a gentle slope on the other side.
Lifted block mountains have a flat top and extremely steep slopes.
