Advertisements
Advertisements
प्रश्न
Name any two characteristics of Igneous Rocks.
State the main characteristics of igneous rocks.
Advertisements
उत्तर
-
Crystalline Structure: Igneous rocks are usually crystalline, meaning they are made up of interlocking mineral crystals formed from the cooling and solidification of magma or lava.
-
Compact and Hard: They are generally very compact and hard, making them durable and resistant to weathering, which is why they are often used in building and construction.
संबंधित प्रश्न
Why is coal hard and chunky?
Rocks and minerals play a very important role in our lives.
What problems would you face in their absence?
Write True or False. Rewrite the false statement correctly :
Igneous and sedimentary rocks can change into metamorphic rocks.
What are minerals?
Classify the following rocks by selecting the correct option given below:
basalt
Give one difference between Extrusive igneous and Intrusive igneous rocks.
Explain this term associated with rocks: Laccoliths and Batholiths
Give a detailed account of lithiflcation of sedimentary rocks.
Classify the following rock: Limestone
Fill in the blanks
______ rocks cover wide area in Peninsular India and Columbia, the Snake Plateau of the U.S.A.
Give one term for the following statement:
Type of metamorphism in which changes are caused due to high pressure.
Classify and explain the rocks.
Diamond is an example of _______ rock.
Mention the types of rocks based on formation?
The types of rocks based on formation are
An aggregate of minerals on the Earth’s Crust is called ______.
______ rocks are also known as stratified rocks.
What is thermal metamorphism?
Explain the different types of sedimentary rocks.
Match the following.
| Group A | Group B | ||
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
