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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
How are volcanoes formed?
What do you understand by ‘Crater of the Volcano’?
What is the following:
Fissure type of volcanoes
Answer the following:
Some volcanoes develop parasitic cones.
Answer the following:
Hot springs are common in volcanic regions.
Give reasons for the following:
Earth’s movements have modified the Earth’s surface.
Out of the following words write down the four that are connected with volcanic activity.
Karst, crater, drumlin, stalactites, gully, pot holes, ash, basalt, swallow holes, dyke, domes, bluffs.
Distinguish between the following pairs of terms associated with vulcanicity:
Magma and Lava
How the theory of plate tectonics has explained the formation of mountains like Himalaya or Alps and of the volcanic islands.
Assertion (A): The Pacific Ocean includes two thirds of the world’s volcanoes.
Reason (R): The boundary along the Eastern and Western coast areas of the Pacific Ocean is known as the Pacific Ring of Fire.
