Defend on they type of formation, mountains are of four
types. First , the folded mountains , which are made up of rock layers,
squeezed by great pressure into large folds. Example of this kind are the
Appalachian and the alps mountain. Second , there are dome mountain where the
rock layers were forced up by lava coming with great pressure from below the earth
surface. Example are the black hills of south Dakota. Third are the block
mountain, which are formed as a result of breaks or faults in the earth’ crust.
Example of such are the sierra Nevada range of California. The last are volcanic
mountain, which are made up of lave , ash and cinders poured out from within the earth. The example include
mount rainier in the united states, and
fujima in japans. At the same time, rocky mountain are formed through all the
above process.
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