Metamorphic Rocks

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Across
  1. 4. Type of metamorphic rock group that shows banding.
  2. 7. A very hard type of metamorphic coal.
  3. 9. One of the two key factors for forming metamorphic rocks
  4. 10. Formation of a metamorphic rock caused by magma coming into contact with existing rock.
  5. 12. One of the two key factors for forming metamorphic rocks.
Down
  1. 1. The parent of this rock is shale.
  2. 2. The group of metamorphic rocks that do not show banding or striping.
  3. 3. Metamorphism occurring over a large area, often due to plate tectonics.
  4. 5. Metamorphic rock formed from granite.
  5. 6. The original rock type before metamorphism.
  6. 8. The process of changing a rock's structure by heat and pressure
  7. 11. Metamorphic rock formed from limestone.