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They are formed when large areas of land are broken and displaced vertically. The uplifted terms are known as horsts and the lowered ones are called graben. The Rhine valley and the Vosges mountains are examples of block mountains.
Block mountains and rift valleys are associated landform as they are formed by the divergent plate boundaries due to the tensional forces which act on its boundary.
Block mountains are formed when the land between the two almost parallel faults is uplifted due to a force of tension exerted during a divergent plate movement. As a result of this tension, the side rocks surrounding the central block go down, leaving the central block of the rock uplifted.
Complete answer: The Great African Rift Valley (valley floor is graben), The Rhine Valley (graben) in Germany, the Vosges mountain in France, the Sierra Nevada in the USA and the Harz mountains in Germany are considered as some examples of block mountains.
In India specifically the mountain ranges Satpura and Vindhya found in the central- western part of the Indian sub continent are block mountains, having formed through cracks in the earth’s crust, these ranges rose while the block of earth known as the Rift Valley depressed.
The Western Ghats or Sahyadri that stretches over 1600 km parallel to the western coast of India is a structurally block mountain range formed due to faulting and erosion.
The Black Forests of Germany, the Vosges of France and the Satpura of India are some notable examples of block mountains. The valleys of Jordan in West Asia, the Rhine in Europe and Narmada in India are examples of rift valleys.
Mountain Ranges Occur in Patterns Mountains are areas with high elevation. They also form from movements inside Earth and occur in patterns. Many are found in the same areas as earthquakes and volcanoes. Topographic maps show an area’s elevation and how quickly it changes.
About 80% of earthquakes occur where plates are pushed together, called convergent boundaries. Another form of convergent boundary is a collision where two continental plates meet head-on.
The forces responsible for formation of fold mountains are called orogenic movements. The term orogenic has derived from a Greek word meaning mountain building. These forces act at tangent to the surface of the earth and are primarily a result of plate tectonics.
The epicenters of volcanoes, mountain ranges, and earthquakes are not spread randomly on the map. They are in a region where the plate boundaries may be found. They aren’t ‘distributed’ in the traditional sense. Mountain ranges form when plates clash or when volcanic fault lines run across them.
As we know that the active volcanoes, earthquake epicenters, and major mountain belts are located at the borders of the tectonic plates.
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