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Why does a gneiss rock have bands

User Julep
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2 Answers

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Answer:

Gneiss rock is a type of metamorphic rock. Gneiss rock is composed of layers of different minerals. The bands are caused by segregation of different types of rock.

User DaveStSomeWhere
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4 votes

Answer:

Gneiss is a metamorphic rock. The cause of the bands is from segregation.

User Akhil Singh
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