Which of the following is an example of ‘Block Mountain’? Ural M
A. Ural Mountains
B. Appalachians
C. Vosges Mountains
D. Mt. Kilimanjaro
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Right Answer is: C
SOLUTION
Ural Mountains and Appalachians are old fold mountains found in Russia and North America respectively. They have low elevation. Mt. Kilimanjaro in Africa is formed due to volcanic activity. Vosges Mountain in Europe is an example of Block Mountains.
Block Mountains: These are created when large areas or blocks of earth are broken and displaced vertically. The uplifted blocks are called Horsts and the lowered blocks are Graben. The Great African Rift Valley (valley floor is graben), The Rhine Valley and the Vosges Mountain in Europe are examples. In India, the Vindhyas and Satpuras are examples of Block Mountains.
Block Mountains are also called fault Block Mountains since they are formed due to faulting as a result of tensile and compressive forces. There are two basic types:
1) Tilted Block Mountains have one steep side contrasted by a gentle slope on the other side.
2) Lifted Block Mountains have a flat top and extremely steep slopes.