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hardQ. No. 17072-which-landforms-term-is-correctly-associated-with-formation-process-formed-when-crustal-blocks-are

Which Landforms term is correctly associated with formation process: “formed when crustal blocks are uplifted along faults”, and also with “an uplifted block is called a horst”?

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AVolcanic mountain
BBlock mountain
CPlateau
DAlluvial plain
Correct Answer: Block mountainYour Answer: B

Explanation

Correct Answer: Option B — Block mountain. Block mountain is correct because it is formed when crustal blocks are uplifted along faults. Block mountain is also associated with an uplifted block is called a horst. A further identifying fact is that Block mountain is an uplifted block is called a horst. Another useful fact is that Block mountain is associated with the Vosges in Europe are a classic example. Why the other options are incorrect: Option A — Volcanic mountain: It is built by repeated accumulation of lava and ash and is associated with commonly has a vent or crater near the summit. Option C — Plateau: It is formed by uplift, lava flows or erosion and is associated with often called a tableland. Option D — Alluvial plain: It is formed by river-borne sediments and is associated with generally has fertile soils. Exam Takeaway: Link Block mountain with “formed when crustal blocks are uplifted along faults” and “an uplifted block is called a horst” for quick revision.

Important Notes

  • Block mountain is a fault-block landform.
  • It is associated with formed when crustal blocks are uplifted along faults.
  • A key feature is that an uplifted block is called a horst.
  • Exam trap: Block mountain should not be confused with Plateau, which is formed by uplift, lava flows or erosion.

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