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प्रश्न
Give one word for the following.
Igneous rocks, which contain a low percentage of silica.
उत्तर
Basic igneous rocks
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संबंधित प्रश्न
Why is diamond clear and hard while graphite is soft?
Write True or False. Rewrite the false statement correctly :
Sedimentary rocks are formed by the cooling and solidification of molten rock called magma
Classify the following rocks by selecting the correct option given below:
shale
Classify the following rocks by selecting the correct option given below:
schist
Distinguish between the following pair:
Degradation and aggradation
Give two examples of metamorphic rocks
Distinguish between the following: Thermal and Dynamic Metamorphism.
State the types of rocks for the formation of which the following process is involved.
Decomposition of organic matter at different stages and over different periods of time.
Explain the formation of sedimentary rocks on the basis of agents of formation.
How are chemically-formed sedimentary rocks produced?
Give one word for the following.
A sedimentary rock, which is composed of microscopically fine, soft and smooth particles.
What is the basis for the classification of rocks?
Give one term for the following statement:
Rounded or sub-rounded fragments, usually water-born cobbles, pebble and gravel, cemented together by a matrix of calcium carbonate, silica, etc.
Why are the Igneous Rocks called Primary Rocks?
Diamond is an example of _______ rock.
The word ‘Igneous’ is derived from the ______ word.
The two types of Intrusive Igneous rocks are ______.
______ 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.
