1. IGNEOUS ROCKS

2. Where Does Igneous Rock Form?

3. I. FORMATION OF IGNEOUS ROCKS

4. A. Igneous rocks form directly from the _____________ and _____________ solidification crystallization

5. of _____molten rock to form _______ rock solid liquid

6. FOUNTAINING

7. FISSURE ERUPTION

9. LAVA FLOW

11. LAVA FLOW OVER A ROAD

12. LAVA FLOW THROUGH FORREST

13. Kilauea, HI 2003

14. Kilauea, HI , 2003

16. Mt. ST. Helens

17. Volcanic crater

18. crazy vulcanist

19. SKY LIGHT

26. B. _____________ is the process when a liquid rock cools, crystallization

27. and it changes to a solid made of ________ ___________ INTERGROWN CRYSTALS

29. GRANITE MICROSCOPIC VIEW

30. 2. CLASSIFICATION OF IGNEOUS ROCKS:

31. A. 2 characteristics that are used to classify igneous rocks:

34. B. Texture of an igneous rock describes the

35. _________, __________ and ____________ of the mineral crystals it was made from. size shape arrangement

36. C. The ______ of the crystals depends on the _______________________ size Rate of cooling

37. Slow cooling = ____________ large crystals

39. MINERAL CRYSTALS

40. GABBRO

41. Fast cooling = ____________ fine crystals Or no crystals (glassy)

42. GLASSY TEXTURE: OBSIDIAN

43. BASALT: FINE CRYSTALS

44. BASALT MICROSCOPIC VIEW

45. Granite: Coarse crystals Basalt: Fine crystals (Microscopic views)

46. FINE CRYSTAL: RYOLITE

48. lava magma

49. And cools __________ quickly

51. gas pockets Vesicular basalt

52. This rock if full of gas pockets frothy texture (vesicular)

59. Granite: Coarse crystals Basalt: Fine crystals (Microscopic views)

64. Comparing Oceanic Crust To Continental Crust

70. When rocks melt, bonds broken. Crystalline solid no longer exists. MELTING ROCKS AND CRYSTALLIZING MAGMA Rock magma magma rock

73. OK……….. TAKE OUT YOUR REFERENCE TABLE