Across
- 2. all minerals are this composition
- 7. a plate boundary that moves away from another
- 8. a plate boundary that slides past another
- 9. the thinner of earth's crust
- 12. the weak, ductile, plastic layer
- 15. a type of pressure where faults move towards
- 17. a plate boundary that collides with another
- 18. the thickest of the earth's layers
Down
- 1. what rocks are made of
- 3. the solid layer of nickel and iron
- 4. a type of pressure where faults slide past another
- 5. literally the "rock" layer
- 6. a type of pressure where faults move apart
- 10. the outermost layer of the earth
- 11. the unit we are now studying
- 13. the plates on which the crust lies
- 14. the less dense layer of the crust
- 16. the layer responsible for the magnetic field
