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प्रश्न
Give one word for the following.
Igneous rocks, which contain a high percentage of silica.
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उत्तर
Acidic igneous rocks
संबंधित प्रश्न
State two characteristics of the mantle.
Classify the following rocks by selecting the correct option given below:
schist
How are rocks different from minerals?
How do acidic igneous rocks differ from basic igneous rocks?
How are sedimentary rocks formed?
Give one difference between Extrusive igneous and Intrusive igneous rocks.
What is sills?
Name the types Sedimentary rocks based on agents of formation.
Distinguish between rocks and minerals.
Name the main types of rocks.
Distinguish between Regional and Contact metamorphism.
Give one word for the following.
The outer layer of the earth.
Volcanic mountains are covered with sedimentary rocks.
What are metamorphic rocks?
Sedimentary rocks are called stratified rocks.
What is thermal metamorphism?
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.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
