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प्रश्न
What is the following :
Spine or plug
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.
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संबंधित प्रश्न
Give one example of volcanic mountains.
What is a volcano?
What is the difference between magma and lava?
What is the difference between dormant volcano and an extinct volcano?
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Fill in the blank below:
The molten rock that reaches the surface of the earth is called ______.
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The lava which is poor in silica and rich in iron and magnesium.
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Name the important belts of volcanoes.
What is the following :
Epicentre
Answer in a word
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Stromboli, Helens, Hawaii, Fujiyama
