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प्रश्न
What is the following:
Caldera
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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 is‘magma’?
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
Distinguish between the following pairs of terms associated with the crustal movement of the earth:
Tilted Block mountains and Lifted Block mountains
Answer the following:
Earthquakes are common in the belt of young fold mountains.
Answer the following
The vent of a volcano when blocked results in an explosive eruption.
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.
How many major zones of volcanic activities in the world?
Choose the odd one
Vesuvius, Stromboli, St.Helena, Etna.
