Question

Metamorphic rocks :
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Answer 1

Answer:

Metamorphic rocks arise from the transformation of existing rock types, in a process called metamorphism, which means "change in form". The original rock is subjected to heat and pressure, causing profound physical or chemical change. The protolith may be a sedimentary, igneous, or existing metamorphic rock.

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Alice Grinson

Answer 2

Explanation:

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Metamorphic Rocks:

→ Rocks are formed on Earth as igneous, sedimentary, or metamorphic rocks. Igneous rocks form when rocks are heated to the melting point which forms magma.

→ Sedimentary rocks are formed from the cementing together of sediments, or from the compaction (squeezing together) of sediments, or from the recrystallization of new mineral grains that are larger than the original crystals.

→ Metamorphic rocks form from heat and pressure changing the original or parent rock into a completely new rock.

→ The parent rock can be either sedimentary, igneous, or even another metamorphic rock.

→ The word "metamorphic" comes from Greek and means "To Change Form".

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