ROCKS
Are classified according to the environment in which they _________ form
Types of Rocks: ________  ________ ________ sedimentary igneous metamorphic
IGNEOUS ROCKS
Where Does  Igneous Rock Form?
I. FORMATION OF IGNEOUS ROCKS
A. Igneous rocks form directly from the _____________ and _____________ solidification crystallization
of _____molten rock to form _______ rock solid liquid
FOUNTAINING
FISSURE ERUPTION
 
LAVA FLOW
 
LAVA FLOW OVER A ROAD
LAVA FLOW THROUGH FORREST
Kilauea, HI 2003
Kilauea, HI , 2003
 
Mt. ST. Helens
Volcanic crater
crazy vulcanist
SKY LIGHT
 
 
 
 
 
 
B. _____________ is the process when a liquid rock cools,   crystallization
and it    changes   to a solid   made of ________ ___________ INTERGROWN CRYSTALS
 
GRANITE MICROSCOPIC VIEW
2.  CLASSIFICATION  OF IGNEOUS ROCKS:
A.  2 characteristics that are used to classify igneous rocks:
<ul><li>1. ______________ </li></ul><ul><li>2. ______________ </li></ul>texture mineral composition
 
B. Texture of an  igneous rock describes the
_________, __________ and  ____________ of the mineral crystals it was made from. size shape arrangement
C. The ______ of the crystals depends on the  _______________________ size Rate of  cooling
Slow cooling =   ____________ large crystals
 
MINERAL CRYSTALS
GABBRO
Fast cooling =   ____________ fine crystals Or  no crystals  (glassy)
GLASSY TEXTURE: OBSIDIAN
BASALT: FINE CRYSTALS
BASALT MICROSCOPIC VIEW
Granite: Coarse crystals Basalt: Fine crystals (Microscopic views)
FINE  CRYSTAL:  RYOLITE
3 .  EXTRUSIVE  IGNEOUS ROCKS: <ul><li>A. _____________ occurs when  molten (liquid) rock flows out of the earth as </li><...
lava magma
And cools __________ quickly
<ul><li>to form </li></ul><ul><li>fine or no </li></ul><ul><li>____________ </li></ul>crystals
gas pockets Vesicular basalt
This rock if full of gas pockets frothy texture (vesicular)
<ul><li>B. </li></ul><ul><li>To form magma,  </li></ul><ul><li>____________ </li></ul><ul><li>must be melted. </li></ul>mi...
<ul><li>C. Minerals melt </li></ul><ul><li>at different  </li></ul><ul><li>____________ and ___________ </li></ul>temperat...
<ul><li>D. Igneous rocks  of different  </li></ul><ul><li>____________  </li></ul>composition
<ul><li>Can form from  the same body of ____________  </li></ul>magma
4.  INTRUSIVE IGNEOUS ROCKS : <ul><li>A. _____________ occurs when molten  </li></ul><ul><li>rock beneath the surface </li...
<ul><li>cools  </li></ul><ul><li>____________ </li></ul><ul><li>to form </li></ul><ul><li>_____________ </li></ul>slowly c...
Granite: Coarse crystals Basalt: Fine crystals (Microscopic views)
 
5.  FELSIC <ul><li>A. Igneous rocks of the continental crust are rich in </li></ul><ul><li>_________ density </li></ul><ul...
6. MAFIC <ul><li>A. Igneous rocks of the ocean floor are rich in </li></ul><ul><li>_________ density </li></ul><ul><li>___...
 
Comparing Oceanic Crust To Continental Crust
<ul><li>Continental Crust: </li></ul><ul><li>1. </li></ul><ul><li>2. </li></ul><ul><li>3. </li></ul><ul><li>4. </li></ul><...
<ul><li>Oceanic Crust : </li></ul><ul><li>1. </li></ul><ul><li>2. </li></ul><ul><li>3. </li></ul><ul><li>4. </li></ul><ul>...
Complete the Activity <ul><li>Use this diagram in your ESRT to answer the following: </li></ul><ul><li>  </li></ul><ul><li...
<ul><li>What is the depth of the interface between the stiffer mantle and the outer core? 2900 KM </li></ul><ul><li>  </li...
 
When rocks melt, bonds broken. Crystalline solid no longer exists. MELTING ROCKS AND CRYSTALLIZING MAGMA Rock  magma  magm...
<ul><li>Hot liquid contains still solid fragments </li></ul><ul><li>Minerals melt at different temperatures </li></ul><ul>...
<ul><li>Cooling of hot liquid allows  crystallization of minerals </li></ul><ul><li>Bonds are re-established </li></ul><ul...
OK……….. TAKE OUT YOUR  REFERENCE TABLE
 
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Igneous Rocks

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Igneous Rocks

  1. 1. ROCKS
  2. 2. Are classified according to the environment in which they _________ form
  3. 3. Types of Rocks: ________ ________ ________ sedimentary igneous metamorphic
  4. 4. IGNEOUS ROCKS
  5. 5. Where Does Igneous Rock Form?
  6. 6. I. FORMATION OF IGNEOUS ROCKS
  7. 7. A. Igneous rocks form directly from the _____________ and _____________ solidification crystallization
  8. 8. of _____molten rock to form _______ rock solid liquid
  9. 9. FOUNTAINING
  10. 10. FISSURE ERUPTION
  11. 12. LAVA FLOW
  12. 14. LAVA FLOW OVER A ROAD
  13. 15. LAVA FLOW THROUGH FORREST
  14. 16. Kilauea, HI 2003
  15. 17. Kilauea, HI , 2003
  16. 19. Mt. ST. Helens
  17. 20. Volcanic crater
  18. 21. crazy vulcanist
  19. 22. SKY LIGHT
  20. 29. B. _____________ is the process when a liquid rock cools, crystallization
  21. 30. and it changes to a solid made of ________ ___________ INTERGROWN CRYSTALS
  22. 32. GRANITE MICROSCOPIC VIEW
  23. 33. 2. CLASSIFICATION OF IGNEOUS ROCKS:
  24. 34. A. 2 characteristics that are used to classify igneous rocks:
  25. 35. <ul><li>1. ______________ </li></ul><ul><li>2. ______________ </li></ul>texture mineral composition
  26. 37. B. Texture of an igneous rock describes the
  27. 38. _________, __________ and ____________ of the mineral crystals it was made from. size shape arrangement
  28. 39. C. The ______ of the crystals depends on the _______________________ size Rate of cooling
  29. 40. Slow cooling = ____________ large crystals
  30. 42. MINERAL CRYSTALS
  31. 43. GABBRO
  32. 44. Fast cooling = ____________ fine crystals Or no crystals (glassy)
  33. 45. GLASSY TEXTURE: OBSIDIAN
  34. 46. BASALT: FINE CRYSTALS
  35. 47. BASALT MICROSCOPIC VIEW
  36. 48. Granite: Coarse crystals Basalt: Fine crystals (Microscopic views)
  37. 49. FINE CRYSTAL: RYOLITE
  38. 50. 3 . EXTRUSIVE IGNEOUS ROCKS: <ul><li>A. _____________ occurs when molten (liquid) rock flows out of the earth as </li></ul><ul><li>________________ </li></ul>Extrusions lava
  39. 51. lava magma
  40. 52. And cools __________ quickly
  41. 53. <ul><li>to form </li></ul><ul><li>fine or no </li></ul><ul><li>____________ </li></ul>crystals
  42. 54. gas pockets Vesicular basalt
  43. 55. This rock if full of gas pockets frothy texture (vesicular)
  44. 56. <ul><li>B. </li></ul><ul><li>To form magma, </li></ul><ul><li>____________ </li></ul><ul><li>must be melted. </li></ul>minerals
  45. 57. <ul><li>C. Minerals melt </li></ul><ul><li>at different </li></ul><ul><li>____________ and ___________ </li></ul>temperatures pressures
  46. 58. <ul><li>D. Igneous rocks of different </li></ul><ul><li>____________ </li></ul>composition
  47. 59. <ul><li>Can form from the same body of ____________ </li></ul>magma
  48. 60. 4. INTRUSIVE IGNEOUS ROCKS : <ul><li>A. _____________ occurs when molten </li></ul><ul><li>rock beneath the surface </li></ul>Intrusions (magma)
  49. 61. <ul><li>cools </li></ul><ul><li>____________ </li></ul><ul><li>to form </li></ul><ul><li>_____________ </li></ul>slowly coarse crystals
  50. 62. Granite: Coarse crystals Basalt: Fine crystals (Microscopic views)
  51. 64. 5. FELSIC <ul><li>A. Igneous rocks of the continental crust are rich in </li></ul><ul><li>_________ density </li></ul><ul><li>_________ colored </li></ul><ul><li>minerals </li></ul>low light (granitic)
  52. 65. 6. MAFIC <ul><li>A. Igneous rocks of the ocean floor are rich in </li></ul><ul><li>_________ density </li></ul><ul><li>_________ colored </li></ul><ul><li>minerals </li></ul>high dark (basaltic)
  53. 67. Comparing Oceanic Crust To Continental Crust
  54. 68. <ul><li>Continental Crust: </li></ul><ul><li>1. </li></ul><ul><li>2. </li></ul><ul><li>3. </li></ul><ul><li>4. </li></ul><ul><li>5. </li></ul>low density light color felsic granitic thick
  55. 69. <ul><li>Oceanic Crust : </li></ul><ul><li>1. </li></ul><ul><li>2. </li></ul><ul><li>3. </li></ul><ul><li>4. </li></ul><ul><li>5. </li></ul>high density dark color mafic basaltic thin
  56. 70. Complete the Activity <ul><li>Use this diagram in your ESRT to answer the following: </li></ul><ul><li>  </li></ul><ul><li>What is the temperature for the interface between the following… </li></ul><ul><li>inner core and outer core? 6250° C </li></ul><ul><li>Outer core and stiffer mantle? 5000° C </li></ul><ul><li>  </li></ul><ul><li>Stiffer Mantle and athenosphere? 2600° C </li></ul><ul><li>  </li></ul><ul><li>Asthenosphere and lithosphere? 750° C </li></ul>
  57. 71. <ul><li>What is the depth of the interface between the stiffer mantle and the outer core? 2900 KM </li></ul><ul><li>  </li></ul><ul><li>State the relationship between depth and pressure :As depth increase pressure increases </li></ul><ul><li>State the relationship between depth and temperature: </li></ul><ul><li>As depth increases temperature increases </li></ul>
  58. 73. When rocks melt, bonds broken. Crystalline solid no longer exists. MELTING ROCKS AND CRYSTALLIZING MAGMA Rock magma magma rock
  59. 74. <ul><li>Hot liquid contains still solid fragments </li></ul><ul><li>Minerals melt at different temperatures </li></ul><ul><li>Melting causes changes in magma composition </li></ul>MELTING ROCKS AND CRYSTALLIZING MAGMA Rock magma magma rock
  60. 75. <ul><li>Cooling of hot liquid allows crystallization of minerals </li></ul><ul><li>Bonds are re-established </li></ul><ul><li>Crystalline structure grows until edges touch adjacent crystals </li></ul><ul><li>Minerals crystallize at different temperatures </li></ul>MELTING ROCKS AND CRYSTALLIZING MAGMA Rock magma magma rock
  61. 76. OK……….. TAKE OUT YOUR REFERENCE TABLE
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