What is a rock?

A rock is an aggregate of one or more minerals.
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On what does texture of rock depend?

Texture of rocks depend upon size and arrangement of grains or other physical conditions of the materials.
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Name the different types of rocks.

The different types of rocks are :

(i)Igneous

(ii)Sedimentary

(iii)Metamorphic rocks
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What is lithification ?


The process of compaction of sediments through which they turn into rocks is called lithification.
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What is a mineral ?

mineral is a naturally occurring inorganic substance, having an orderly atomic structure and a definite chemical composition and physical properties.
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