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Question
How are Block mountains formed?
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Solution
The central block is upthrown or land on the outer-sides of the faults is downthrown so that the central mass appears like a highland. Its surface is like a plateau, but it has steep edges. The Vosges mountains to the west of the Rhine Rift Valley and the Block Forest mountains to the east of the Rhine Rift Valley are good examples of Horsts.
Rift Valley
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