Across
- 5. forms from extreme heat & pressure
- 6. forms from cooling
- 7. a massive, irregularly shaped slab of solid rock, generally composed of both continental and oceanic lithosphere.
- 9. the theory of plates moving away from each other over time
- 10. two plates moving away from each other
Down
- 1. sideways or downward movement of a plate beneath another plate
- 2. small little grains of rocks
- 3. rock built from sediment
- 4. the event of plates moving away from each other
- 8. plates that move towards each other, one traveling underneath the other