| Across |
| 2. |
how a rock looks |
| 3. |
an igneous rock and texture with no minerals |
| 7. |
a composition low in Mg and Fe, lots of Si |
| 9. |
deep-seated igneous body |
| 11. |
an igneous texture with giant crystals |
| 15. |
magma at the surface |
| 16. |
buildign block for silicate minerals (two words) |
| 17. |
a composition high in Fe and Mg |
| 19. |
a Ca or Na rich feldspar group |
| 21. |
a horizontal igneus body |
|
|
| Down |
| 1. |
order of crystallization of minerals |
| 4. |
gases in magma |
| 5. |
mineral group made up of silica sheets (plural) |
| 6. |
a giant intrusive igneous body exposed after erosion |
| 8. |
a K rich feldspar group |
| 10. |
igneous rocks that formed at depth |
| 12. |
molten rock |
| 13. |
running molten rock at surface (two words) |
| 14. |
vertical igneous body |
| 18. |
resists flow |
| 20. |
glassy igneous powder |
| 22. |
rocks made from crystallization directly from magma or lava (two words) |
|
