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Which of the following is a metamorphic rock?
  • a)
    Slate
  • b)
    Sandstone
  • c)
    Peat
  • d)
     Limestone
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Which of the following is a metamorphic rock?a)Slateb)Sandstonec)Peatd...
Explanation: Sedimentary rock turns into a different kind of metamorphic rock -limestone turns into travertine or marble, and shale turns into slate, and sandstone turns into quartzite. Even though slate is a metamorphic rock, it still looks a lot like a sedimentary rock - it is still in thin layers.
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Most Upvoted Answer
Which of the following is a metamorphic rock?a)Slateb)Sandstonec)Peatd...
Explanation:
Metamorphic rocks are formed from pre-existing rocks due to changes in temperature and pressure. The original rock can be igneous, sedimentary or even another metamorphic rock.

Slate:
Slate is a fine-grained metamorphic rock that is derived from shale. It is formed from the metamorphism of clay minerals - which are usually deposited in the ocean - under high pressure and temperature. This results in the recrystallization of the clay minerals into a fine-grained foliated rock that is strong and durable.

Sandstone:
Sandstone is a sedimentary rock that is composed of sand-sized grains of mineral, rock or organic material. It is formed from the compaction and cementation of these grains over a long period of time.

Peat:
Peat is an organic sedimentary rock that is formed from the accumulation of dead plant material in wetlands. It is not a metamorphic rock.

Limestone:
Limestone is a sedimentary rock that is composed mostly of calcium carbonate. It is formed from the accumulation of shells, coral and other marine debris. It is not a metamorphic rock.

Therefore, the correct answer is option A, Slate, which is a metamorphic rock formed from the metamorphism of clay minerals.
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Which of the following is a metamorphic rock?a)Slateb)Sandstonec)Peatd)LimestoneCorrect answer is option 'A'. Can you explain this answer?
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