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Marianna [84]
4 years ago
7

11. What do foliated and un-foliated mean in metamorphic rocks?

Physics
1 answer:
Olegator [25]4 years ago
6 0

They are two types of metamorphic rocks which differ on the basis of formation and appearance.

<u>Explanation</u>:

  • Foliated metamorphic rocks are a type of metamorphic rocks which appear like layers which is caused due to heat exposure and pressure.
  • They are formed due to high pressures.
  • Examples are phyllite, slate, schist
  • Non-foliated metamorphic rocks do not have such a layered appearance.
  • They are formed due to low pressures and also because of contact metamorphism. This is why they are mostly called as hornfels.
  • Examples are hornfels, marble
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