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Question
How are igneous rocks formed?
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Solution
Igneous rocks are the primary rocks formed by the solidification of the molten magma.
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RELATED QUESTIONS
Write True or False. Rewrite the false statement correctly :
Igneous and sedimentary rocks can change into metamorphic rocks.
Differentiate between SIAL and SIMA.
What is Geology?
Name two important landforms made by Igneous Rocks.
Briefly define Mechanical Metamorphism.
Distinguish between the following:
Acid Igneous Rocks and Basic Igneous Rocks.
Give one word for the following.
Igneous rocks, which contain a low percentage of silica.
Give one word for the following.
A sedimentary rock, which is composed of microscopically fine, soft and smooth particles.
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
