Across
- 2. the smallest unit of an element
- 4. tendency of minerals to break along flat planar surfaces into geometries
- 7. formed from the solidification of magma
- 9. texture of igneous rock with a high glass content
- 10. form by lithification of sediment
- 13. tendency to break along other surfaces
- 15. coarse grained
- 17. igneous texture in which crystals visible to the naked eye are embedded in a matrix of aphanitic texture
- 19. most abundant mineral in the Earth's crust
- 20. the substance that makes up the universe
Down
- 1. occurs within the plate far from any plate boundary
- 3. a light colored coarse grained intrusive rock consisting primarily of quartz
- 5. minerals with the same composition but different crystal structure
- 6. form by the transformation of pre-existing rocks
- 8. the process that converts sediments into solid rocks
- 11. a gray fine grained volcanic rock consisting of plagioclase
- 12. a dark coarse grained intrusive rock
- 14. crystals initially begin as them
- 16. fine grained
- 18. a fine textured dark brown to black extrusive rock