What are sand dunes made of?

Related questions

1. Is D Dorian the same as C major?
2. What is Aeolian soil?
3. Are modes diatonic?
4. What is a Dorian scale piano?
5. What are sand dunes formed by erosion or deposition?
6. What is the relationship between sand dunes and the Aeolian process?
7. Is a key the same as a scale?
8. What are the 12 keys of music?
9. What is aeolian sandstone?
10. Is Ionian the same as major?

Tags

1. #usually
2. #behind
3. #formed
4. #along
5. #windward
6. #beach
7. #slipface
8. #mound
9. #dunes
10. #blows
11. #every
12. #accumulate
13. #obstacle
14. #sheltered
15. #desert
16. #grains