Advertisements
Advertisements
प्रश्न
How is Plutonic rock formed?
Advertisements
उत्तर
Plutonic rocks are the igneous rocks which are formed as some depth in the earth’s crust, when a molten material gets solidified under pressure.
संबंधित प्रश्न
Write True or False. Rewrite the false statement correctly :
Basalt is an example of an intrusive igneous rock.
Classify the following rocks by selecting the correct option given below:
gypsum
With the help of your teacher, collect different types of rocks such as granite, sandstone, limestone, marble, slate, graphite, etc. and prepare a chart containing information about their colour, hardness, texture, and permeability.
Distinguish between the following pair:
Degradation and aggradation
Give one difference between Extrusive igneous and Intrusive igneous rocks.
What are known as metamorphic rocks?
How are igneous rocks classified on the basis of their chemical composition?
How are chemically-formed sedimentary rocks formed? Give examples.
Distinguish between Regional and Contact metamorphism.
Give one word for the following.
Rocks formed by the cooling and solidification of molten rock from beneath the earth crust.
Give one word for the following.
Igneous rocks, which contain a high percentage of silica.
Give one word for the following.
The best example of chemically-formed sedimentary rock, which has been formed by the evaporation of water from solution containing minerals.
Fill in the blanks
The interior layer is the core, which is made up mainly of iron and nickel, and is called ______.
Why fossils are preserved in Sedimentary and not in Igneous rocks?
Give reasons for the following
Man’s habitat is the biosphere and not the lithosphere in the true sense.
______ is known as the primary rocks.
How are igneous rocks formed?
What are metamorphic rocks?
______ rocks are also called Primary rocks.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
