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प्रश्न
Distinguish between the following pair of terms associated with vulcanicity:
Laccolith and Lapolith
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उत्तर
Laccoliths: Laccoliths are large lens-shaped intrusions which assume a dome shape. They vary in thickness and extent. When laccoliths are exposed on the surface they form low hills.
Lapoliths: Lapoliths is a saucer-shaped intrusive layer of solidified magma and sinks as shallow basins in rock-beds.
संबंधित प्रश्न
Give an example each of conical volcano and fissure volcano.
What do you understand by ‘Vulcanism’?
What is the following:
Caldera
Distinguish between the following pair of terms associated with vulcanicity:
Lava and Magma
Distinguish between the following pair of terms associated with vulcanicity:
Crater and Caldera
Distinguish between the following pair of terms associated with vulcanicity:
Geysers and Hot Springs
Distinguish between the following pairs of terms associated with the crustal movement of the earth:
Graben and Horst
Match the items given in Column A with the correct ones in Column B.
| Column A | Column B |
| 1. A Rift valley lake | (a) Deccan Trap region of India |
| 2. A horst | (b) Fujiyama |
| 3. A basic lava sheet | (c) Tanganyika |
| 4. Composite cones | (d) Black forest plateau |
| 5. An active volcano | (e) Corndon Hill |
| 6. A Batholith | (f) The Alps |
| 7. A Phaccolith | (g) Upland of Britain is France |
| 8. A young Fold mountain | (h) Stromboli |
What are tectonic movements? How are these classified?
The upper part of the earth’s crust ______.
