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GS Geography Physical Geography of World
Q.

Which of the following is not an example of a metamorphic rock?
Explanation:

ANS. (D) 
Granite is an igneous rock composed of mostly two minerals: quartz and feldspar. It is an intrusive rock, meaning that it crystallized from magma that cooled far below the Earth’s surface. A metamorphic rock is a result of a transformation of a pre-existing rock. The original rock is subjected to very high heat and pressure, which cause obvious physical and/or chemical changes. Examples include marble, slate, gneiss, schist.

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