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21 votes
21 votes
How could you distinguish the parent rock such as sandstone or limestone from the

metamorphic rock quartzite or marble?

User Aouidane Med Amine
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1 Answer

13 votes
13 votes
The best way to tell quartzite from sandstone is to break the rocks. Sandstone will shatter into many individual grains of sand while quartzite will break across the grains. Marble is metamorphosed limestone or dolomite.
User Kathrin
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