Discussion :: Building Materials - Section 4 (Q.No.45)
| Bhatt said: (Sep 16, 2018) | |
| It is igneous rock. Other are just type of igneous rock. Depending upon the depth they are found. |
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| Dhananjay said: (Mar 4, 2019) | |
| @Bhatt. The volcanic rocks are formed on the surface of the earth. |
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| Daanyal said: (Jul 20, 2019) | |
| Volcanic rocks are formed on the surface of the earth when lava cools down whereas if magma cools inside the earth crust, such rocks are called plutonic rocks. | |
| Adeel Rehman said: (Aug 31, 2020) | |
| All are types of Igneous Rocks Place of solidification varies: Very Deep under the earth --> Plutonic. Shallow depth under earth --> Hypabyssal. On earth Surface --> Volcanic. |
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