Across
- 2. a common powder that is often used for lubrication
- 3. the Taj Mahal is made from this type of rock
- 5. extreme pressure and high temperatures produce this type of metamorphic rock
- 7. marble forms when ____ has gone through metamorphism
- 9. the thickest crust on Earth is found where?
- 11. when an ocean pate collides with a less-dense land plate which direction is the ocean plate pushed?
- 12. when earth’s surface first cooled, all rock was what type of rock?
- 14. slate form from ____ that has been compressed by metamorphism
- 15. rock can also be metamorphosed by mineral-rich _____
Down
- 1. the lead in your pencil is made from what?
- 3. the process by which any kind of rock is changed into metamorphic rock
- 4. this type of rock have layers or bands you can see
- 6. the process of metamorphism occurs deep in this layer of Earth
- 8. compaction can turn granite into this type of metamorphic rock
- 10. this is deposited where rivers end
- 13. during regional metamorphism, rocks are pushed deep into ____