Across
- 1. vertical conduit magma a volcano which magam has passed
- 3. cracks in the earths surface
- 4. volcanic explosivity index
- 5. narrow mass of hot material
- 7. to agree
- 9. when more viscous magmas reach the surface
- 14. activity within a tectonic plate
- 15. pipe-shaped path that leads to vents in volcanoes
- 17. occurring along divergent bounries on the ocean floor
- 18. large depressions in the ground
- 19. created when large amounts of lava from fissures are produced
- 21. to disagree
- 24. varying amount of dissolved gases in magmas
- 26. rich in dark silicates
- 28. the resistance to flow
- 29. underwater chains of volcanoes
- 30. quiescent eruptions
Down
- 2. fire fragments
- 3. smoke emitted from vents
- 4. resistant vents left standing after version has removed the volcanic cone
- 6. result from the emplacement of magma into preexisting rocks
- 8. rich in light silicates
- 10. large, classic shaped volcanoes composed of interbedded lava flows with violent eruptions
- 11. made of hot gases infused with ash and other debris
- 12. largest intrusive bodies
- 13. eruptions fluid basaltic lava
- 16. built from ejected basaltic lava fragments forming a steep slope
- 20. resembles a twisted or ropey texture
- 22. rough,jagged blocky texture
- 23. flat, domed shaped volcanoes
- 25. mudflow from interaction with debris and water
- 27. lava rough, travel short distances