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प्रश्न
Name any two characteristics of Igneous Rocks.
State the main characteristics of igneous rocks.
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उत्तर
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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.
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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
Fill in the blank
Conglomerate is an example of _____________ rocks.
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:
Gneiss
Classify the following rocks by selecting the correct option given below:
sandstone
Mention any two characteristics of Sedimentary Rocks.
Explain this term associated with rocks: Metamorphism
State the types of rocks for the formation of which the following process is involved.
Accumulation takes place over long periods of time in seas, lakes and streams.
Distinguish between Regional and Contact metamorphism.
Give some examples of metamorphic rocks formed from sedimentary and igneous rocks.
Classify the following rock: Granite
Fill in the blanks
______ is the best example of the wind deposited stratified rock.
Give one term for the following statement:
Igneous rocks of deep seated origin.
Why are the Igneous Rocks called Primary Rocks?
Give reasons for the following
Silicates are the most common rock forming minerals.
Distinguish between Intrusive and Extrusive Rocks
How is sand that flows in a river formed? Collect some information about where the sand comes from.
What are the uses of soil?
Sedimentary rocks are called stratified rocks.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
