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Question
Rocks and minerals play a very important role in our lives.
Can you imagine modern life without minerals?
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Solution
Life without rocks and minerals would be disastrous –
Rocks are of great value to us. Some of the main benefits of- rocks are listed below :
- Soil is formed when rocks gradually break up and disintegrated by mechanical and chemical processes.
- Rocks contain a great variety of minerals that yield metals such as iron, manganese, and copper, which are important raw materials for
mineral-based manufacturing industries.
We shall face many problems if rocks and minerals get diminished.
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RELATED QUESTIONS
Classify the following rocks by selecting the correct option given below:
sandstone
State the types of rocks for the formation of which the following process is involved.
Solidification of magma on the surface of the earth.
Describe how igneous rocks are formed.
In what type of rocks do you find fossils and why?
Give one word for the following.
A sedimentary rock, which is composed of microscopically fine, soft and smooth particles.
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______ is the best example of the wind deposited stratified rock.
Sedimentary rocks are called stratified rocks.
| A | B | ||
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
Match the following.
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
Match the following.
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
