1. ROCKS

2. Are classified according to the environment in which they _________ form

3. Types of Rocks: ________ ________ ________ sedimentary igneous metamorphic

4. IGNEOUS ROCKS

5. Where Does Igneous Rock Form?

6. I. FORMATION OF IGNEOUS ROCKS

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

8. of _____molten rock to form _______ rock solid liquid

9. FOUNTAINING

10. FISSURE ERUPTION

12. LAVA FLOW

14. LAVA FLOW OVER A ROAD

15. LAVA FLOW THROUGH FORREST

16. Kilauea, HI 2003

17. Kilauea, HI , 2003

19. Mt. ST. Helens

20. Volcanic crater

21. crazy vulcanist

22. SKY LIGHT

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

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

32. GRANITE MICROSCOPIC VIEW

33. 2. CLASSIFICATION OF IGNEOUS ROCKS:

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

37. B. Texture of an igneous rock describes the

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

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

40. Slow cooling = ____________ large crystals

42. MINERAL CRYSTALS

43. GABBRO

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

45. GLASSY TEXTURE: OBSIDIAN

46. BASALT: FINE CRYSTALS

47. BASALT MICROSCOPIC VIEW

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

49. FINE CRYSTAL: RYOLITE

51. lava magma

52. And cools __________ quickly

54. gas pockets Vesicular basalt

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

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

67. Comparing Oceanic Crust To Continental Crust

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

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