Question
Write a brief note on Igneous rocks.
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Answer
The interior of the earth is extremely hot. So, the matter is the interior is in a semi-liquid state, which is called as ‘magma or lava’. When this magma cools and solidifies it crystallizes and turns into igneous rocks. Since these rocks are formed due to the effect of heat, they are called Igneous (Agneya) or fire rocks. During the formation of earth crust, igneous rocks are first to be formed. Hence, they are called Primary Rocks. Igneous rocks are found at many places in Rajasthan, Madhya Pradesh and Southern peninsula. Igneous rocks are the most solid of all rocks Granite is a well known example of plutonic rock Basalt is also this type of rock.
Types of Igneous Rocks:
Types of Igneous Rocks:
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