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प्रश्न
Distinguish between the following pair of terms associated with vulcanicity:
Laccolith and Lapolith
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 is‘magma’?
What is the following:
Mud volcanoes
Distinguish between the following pair of terms associated with vulcanicity:
Cinder Cone and Composite Cone
Distinguish between the following pair of terms associated with vulcanicity:
Fissure-type Volcanoes and Central-types Volcanoes
Answer the following:
Some volcanoes develop parasitic cones.
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.
What are tectonic movements? How are these classified?
How the theory of plate tectonics has explained the formation of mountains like Himalaya or Alps and of the volcanic islands.
