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How do you recognize a metamorphic rock?

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The ROCK NAME column tells you the name of the metamorphic rock (obviously). The COMMENTS column tells us the type of rock that was changed into a metamorphic rock. For example if we look at the metamorphic rock Marble, the comments section tells us it forms from metamorphism of limestone or dolostone. read more

Use these tips to identify metamorphic rocks. Understand that metamorphic rocks are those that have changed in some way by heat or pressure or both. Sedimentary rocks are formed from sediments and igneous rocks are formed by fire. read more

Metamorphic rocks are formed by metamorphism so they are hard and heavy. You may identify grade of metamorphism through sound produced on hitting the rock on table etc. higher grade metamorphic rock will produce sharp sound. You may find foliation in metamorphic rock. Non foliated metamorphic rock are produced through contact metamorphism generally. read more

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