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प्रश्न
What is the following :
Spine or plug
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उत्तर
Spine or plug: Acid lava dome is formed when viscous lava solidifies quickly and gives rise to steep sloping cones. This is known as a spine or plug. Sometimes these spines and plugs are exposed by denudation.
संबंधित प्रश्न
Give one example of volcanic mountains.
What is a volcano?
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Name the three types of volcanoes on the basis of the frequency of their eruption.
The forces arising from the interior of the earth:
Fill in the blank below:
The molten rock that reaches the surface of the earth is called ______.
Fill in the blank below:
The Circum-Paciflc Belt is also called ____________.
Name the largest active volcano in the world.
In which belt most of the volcanoes of the world are found?
Distinguish between :
Volcanic Dust and Volcanic Ash.
Describe the materials thrown out during volcanic eruption.
Describe the effect of volcanic eruption of Karakatoa in 1883.
Describe any three advantages of volcanoes.
Name a well known geyser.
What is the following:
‘Ring of Fire’
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Basic lava cones are broader than Acid lava cones.
Give reasons for the following:
The Circum-Pacific Belt of volcanoes is called ‘The Ring of Fire’.
Answer the following:
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.
Describe the distribution of volcanoes in the world.
OR
Name the important belts of volcanoes.
What is the following :
Fissure type of volcanoes
What is the following :
Epicentre
An example for active volcano is ______.
Give an example of extinct volcano.
How many active volcanoes in the world?
