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प्रश्न
What is the following:
Caldera
उत्तर १
Caldera is the spacious crater of a volcano created by tremendous eruption. Crater lake in Oregon U.S.A occupies a caldera about 9 kilometers in diameter.
उत्तर २
Caldera: In some volcanoes, the summit of the volcano blows up during a violent explosion resulting in the formation of a large depression called a Caldera. Some calderas may have been formed by the collapse of the summit portion. Calderas are occupied by large lakes. The lake in the caldera is called the crater lake. In the state of Oregon in the United States, there is a caldera which is about 9 km in diameter.
संबंधित प्रश्न
What is the magma chamber of a volcano?
What do you understand by ‘Vulcanism’?
What do you understand by ‘Crater of the Volcano’?
Distinguish between the following pair of terms associated with vulcanicity:
Lava and Magma
Answer the following:
Some volcanoes develop parasitic cones.
Name one useful feature of vulcanicity other than soil fertility.
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.
______ belt is known as the “Ring of Fire”.
