Geography, asked by ananya1233, 1 year ago

can anyone can tell a page about block , volcanic, and anyone another please

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Answered by Anonymous
28


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⚡⚡⚡⚡ANSWER ⚡⚡⚡⚡

⭐ BLOCK MOUNTAINS :

- The forces of faulting, also known as epeirogenic forces, lead to the formation of block mountains.

- Block mountains have flattened summits, called as horst mountains and the tilted summits consisting block mountains have one side steep, other side very gentle.

- Block mountains are often separated by separating basins called GRABEN.

- If there are two parallel faults, the valley floor may sink and a RIFT VALLEY may be formed. For example, the African Rift Valley.

- The Vosges, the Black Forest Mountains, Ranges of Pakistan and Sierra Nevada mountains of California, USA are examples of block mountains

- Generally, the heights of block mountains ranges from 2400 to 3600 metres.



⭐ VOLCANIC MOUNTAINS :

- These mountains are formed from the volcanic activities by cooling, solidifocation and deposition of magma.

- Western Grand Canyon in Arizona was an excellent example of volcanic mountain.

- Mount Columbia has about 20 layers of lava deposits.

- Volcanic mountains are generally formed along the chains of volcanic belts.







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Answered by vritikamishra4769
1
A volcanic block is a fragment of rock that measures more than 64 mm (2.5 in) in diameter and is erupted in a solid condition.
Blocks are formed from material from previous eruptions or from country rock and are therefore mostly accessory or accidental in origin. Blocks also occur due to the impact and breakage of volcanic bombs (a bomb is a block with streamlined appearance, often expelled in a molten state). Bombs can also occur due to the disruption of the crust of a lava dome that has formed up or over a vent during an eruption.
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