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प्रश्न
Describe the materials thrown out during volcanic eruption.
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उत्तर
The materials thrown out of a volcano due to eruptions are of three types :
- Solid materials:- The solid materials include large fragments of rocks known as volcanic Bombs. The finest particles include cinder volcanic ash dust.
- Liquid materials:- The liquid materials include basic lava and Acid lava. Acid lava has more silica while Basic lava has a low content of Silica.
- Gaseous materials:- The gaseous material is mainly composed of steam. The other gases include Oxygen Hydrogen Sulphuric acid Carbon dioxide etc.
संबंधित प्रश्न
Explain the types of volcanoes on the basis of periodicity of eruption with examples.
Give one example of volcanic mountains.
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The molten rock that reaches the surface of the earth is called ______.
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A lava ___________is made up of basic lava flows solidified away from the vent.
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Name a well known geyser.
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Plate margins are zones of great volcanic activity.
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The lava which is poor in silica and rich in iron and magnesium.
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A volcano whose eruption buried and destroyed two Roman towns.
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Epicentre
______ Volcano is known as light house of Mediterranean Sea.
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