Across
- 4. Found in "The Dolomites" mountain range
- 5. Can be found in the Mojave desert
- 6. Gets its name from the Andes mountains
- 7. consists mostly of talc
- 11. Forms near igneous intrusions
- 12. Forms from large amounts of oil
- 13. contains amounts of green micas
- 14. Made from Consolidated volcanic ash
- 17. Name comes from the Unaka mountains
- 18. A Rock commonly found in Yosemite valley
- 19. Only found in Llano County, Texas
- 21. Has been found in Adzes (old tool)
- 25. Rich in irons and magnesium
- 26. Famous for containing large garnets
- 27. Rock formed from stuff like a meteor strike
- 28. Used for centuries to make arrow heads
Down
- 1. Formed on convergent plate boundaries
- 2. Pure version is completely white
- 3. Known for bubble-like air holes
- 4. Nearly entirely consists of silica
- 6. One of the oldest rocks found on the moon
- 8. Forms from metasomatism
- 9. Jet-black and smooth rock
- 10. almost exclusively made from quartz
- 15. Shards of other rocks that got compressed
- 16. forms through contact metamorphism
- 20. more commonly referred to as coal
- 22. Forms when lava flows above the surface
- 23. Water and gas discharged from a volcano
- 24. found in shallow seas