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प्रश्न
Give reasons for the following
Extrusive rocks generally have small crystals.
उत्तर
Extrusive rocks generally have small crystals because in the formation of these rocks, the solidification of magma takes place at a slower rate.
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संबंधित प्रश्न
Differentiate between SIAL and SIMA.
Classify the following rocks by selecting the correct option given below:
limestone
Explain the structure of the earth’s interior?
Name any three elements of the earth’s crust.
Name two important landforms made by Igneous Rocks.
Mention any two chief characteristics of Sedimentary Rocks.
Give two examples of Sedimentary Rocks.
What are the causes of metamorphism?
What is meant by the term ‘metamorphism’?
Fill in the blanks
______ is formed, when the angular and coarse grains of some durable minerals are cemented together.
Give reasons for the following
Rocks are of great economic significance.
Give reasons for the following
Man’s habitat is the biosphere and not the lithosphere in the true sense.
How are igneous rocks formed?
Classify and explain the rocks.
What are metamorphic rocks?
Oldest Sedimentary rocks of the world has been identified in Green land.
______ rocks are also called Primary rocks.
The world Igneous is derived from the Latin word ______ meaning ______.
What are the characteristics of Sedimentary rocks?
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
