Advertisements
Advertisements
Question
Rocks and minerals play a very important role in our lives.
Can you imagine modern life without minerals?
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.
APPEARS IN
RELATED QUESTIONS
Name any two chief characteristics of Igneous Rocks.
Classify the following rock: Loess
How are sedimentary rocks formed?
The two types of Intrusive Igneous rocks are ______.
Intrusive Igneous rocks are also called ______ rocks.
Explain Dynamic Metamorphism.
Mention some uses of rocks.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
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.
