Tectonics
Across
- 4. large slabs of rock that divide Earth's crust
- 7. is a planar fracture or discontinuity in a volume of rock across
- 9. layer of granitic, sedimentary, and metamorphic rocks
- 11. upper layer of the earth's mantle
- 12. hundreds to thousands of miles long, that forms above a subduction zone
- 13. rigid outer part of the earth, consisting of the crust and upper mantle.
Down
- 1. largest layer of Earth's interior
- 2. coming closer together
- 3. part of the Earth's crust that makes up the seafloor
- 5. make a thorough or dramatic change in the form
- 6. a line that marks the limits of an area
- 8. steep depressions
- 10. moving or extending in different directions from a common point