Across
- 4. molten rock inside earth
- 6. horizontal mineral bands caused by pressure
- 7. type of rock made by heat and pressure
- 12. cooled inside the earth, big crystals
- 14. A flat, brittle sedimentary rock
- 15. a class of sedi. rocks made from loose sediment
- 18. Sedimentary rock made of calcite
- 19. mineral found in rock salt
- 20. cooled outside the earth, small crystals
- 21. Type of bedding.Progressive increase in size
Down
- 1. Bedding at an angle along a horiz. surface
- 2. Igneous rocks with low silica content
- 3. molten rock outside earth
- 5. Texture. Big crystals cemented by smaller crystals
- 8. Dark, glassy igneous rock
- 9. type of metamorphism involving igneous intrusions
- 10. The continuous changing and making of rocks
- 11. Igneous rocks with high silica content
- 13. Gypsum is an example of this class of sedi. rock
- 16. mineral growth gluing sediments together
- 17. Metamorphic form of Shale