Classification of Rocks

How the rocks are categorized?

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Rocks are categorized into:

  • Igneous rocks,
  • Metamorphic rocks and
  • Sedimentary rocks.

Igneous rocks are made by the process of cooling of molten material from below the earth’s surface.Sedimentary rocks are made by the process of deposition of weathering products on the existing rocks. Metamorphic rocks are made by the process of transforming the character of the pre-existing rocks. 

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