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प्रश्न
Distinguish between the following pair of terms associated with vulcanicity:
Crater and Caldera
उत्तर १
| Crater | Caldera |
| The crater is the mouth of a volcano at the top of the vent with a normal outlet. | Caldera is a very large mouth of a volcano which is quite spacious due to the big amount and thrust of the eruption. |
उत्तर २
Crater and Caldera: Crater forms the summit and Caldera the enlarged mouth or the sunken crater at the center of a volcano. When water accumulates in a crater it forms a crater lake and in a caldera a lake like Taba lake of Sumatra. A crater is formed as a result of the overflow of lava and calera as a result of subsidence.
संबंधित प्रश्न
What are ‘Volcanoes’?
What is the following:
Spine or plug
What is the following:
Cinder Cone
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:
Hot springs are common in volcanic regions.
Answer the following:
Earthquakes are common in the belt of young fold mountains.
Give reasons for the following:
Earth’s movements have modified the Earth’s surface.
Give one word for the following :
The region where there are highest number of geysers and hot springs.
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.
The upper part of the earth’s crust ______.
