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Minerals And Rocks
Question
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What do you mean by rocks ? Name the three major classes of rocks. 

Answer

A rock is an aggregate of one or more minerals. 


The three major classes of rocks are :

(i)Igneous rocks
(ii)Sedimentary rocks
(iii)Metamorphic rocks

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Some More Questions From Minerals And Rocks Chapter

What is a mineral ?

On what does texture of rock depend?

Write the examples of igneous rocks.

What is a sedimentary rock ?

Write some main sedimentary rocks.

Which important minerals are found in metamorphic rocks?

State one example of hard rock and soft rock.

The process of physical and chemical changes affecting sediments during their conversion into solid rocks.

Structure in metamorphic rocks in which minerals are drawn out into long, thin pencil like objects all in parallel alignment.

The smooth planer surfaces of weakness along which minerals have pronounced tendency of split.