Across
- 4. molten material underground
- 6. most abundant sedimentary rock
- 7. lithospheric plates collide
- 9. minerals that make up approximately 90% of Earth's crust
Down
- 1. consists of cemented-together fragments
- 2. composed primarily of silicate minerals
- 3. light-coloured minerals
- 5. plates away from each other
- 8. dark-coloured minerals