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Lecture 7

Table of Contents

  1. Formation of Metamorphic Rocks
  2. Why study metamorphic rocks?
  3. Why study metamorphic rocks?
  4. Why study metamorphic rocks?
  5. Why study metamorphic rocks?
  6. Why study metamorphic rocks?
  7. Why study metamorphic rocks?
  8. Why study metamorphic rocks?
  9. Why study metamorphic rocks?
  10. Why study metamorphic rocks?
  11. Why study metamorphic rocks?
  12. Why study metamorphic rocks?
  13. Why study metamorphic rocks?
  14. Why study metamorphic rocks?
  15. Why study metamorphic rocks?
  16. Why study metamorphic rocks?
  17. 6.1 What is metamorphism?
  18. 6.1 What is metamorphism?
  19. 6.1 What is metamorphism?
  20. 6.1 What is metamorphism?
  21. 6.2 What is the role of temperature in metamorphism?
  22. Drawing of the Onset of Metamorphism
  23. Drawing of the Onset ofMetamorphism
  24. Graph: Temperature increasing with Depth
  25. Intrusion of Magma
  26. Temperature in Metamorphism
  27. Heat drives away water and gases
  28. 6.2 What is the role of temperature in metamorphism?
  29. 6.2 What is the role of temperature in metamorphism?
  30. 6.3 What is the role of pressure in metamorphism?
  31. 6.3 What is the role of pressure in metamorphism?
  32. 6.3 What is the role of pressure in metamorphism?
  33. 6.3 What is the role of pressure in metamorphism?
  34. 6.3 What is the role of pressure in metamorphism?
  35. 6.3 What is the role of pressure in metamorphism?
  36. 6.3 What is the role of pressure in metamorphism?
  37. 6.3 What is the role of pressure in metamorphism?
  38. 6.3 What is the role of pressure in metamorphism?
  39. 6.3 What is the role of pressure in metamorphism?
  40. 6.4 What is the role of fluid in metamorphism?
  41. 6.4 What is the role of fluid in metamorphism?
  42. 6.4 What is the role of fluid in metamorphism?
  43. 6.4 What is the role of fluid in metamorphism?
  44. 6.4 What is the role of fluid in metamorphism?
  45. 6.5 Why do metamorphic rocks exist at the surface?
  46. 6.5 Why do metamorphic rocks exist at the surface?
  47. 6.5 Why do metamorphic rocks exist at the surface?
  48. 6.6 How do we know how to determine the stability of minerals?
  49. 6.6 How do we know how to determine the stability of minerals?
  50. 6.6 How do we know how to determine the stability of minerals?
  51. 6.6 How do we know how to determine the stability of minerals?
  52. 6.7 What were the conditions of metamorphism?
  53. 6.7 What were the conditions of metamorphism?
  54. 6.8 How are metamorphic rocks classified?
  55. 6.8 How are metamorphic rocks classified?
  56. 6.8 How are metamorphic rocks classified?
  57. 6.8 How are metamorphic rocks classified?
  58. 6.8 How are metamorphic rocks classified?
  59. Metamorphic change in rock
  60. Progressive change: texture
  61. Progressive change: mineral
  62. Progressive change: Grade increases
  63. Follated Metamorphic Grade
  64. Rocks without Foliation
  65. A migmatite
  66. 6.8 How are metamorphic rocks classified?
  67. 6.9 What was the rock before it was metamorphosed?
  68. 6.9 What was the rock before it was metamorphosed?
  69. 6.9 What was the rock before it was metamorphosed?
  70. 6.10 Where does metamorphism occur?
  71. 6.10 Where does metamorphism occur?
  72. 6.10 Where does metamorphism occur?
  73. Where does metamorphism occur?
  74. 6.10 Where does metamorphism occur?
  75. Hyddrothermal Metamorphism
  76. 6.10 Where does metamorphism occur?
  77. 6.10 Where does metamorphism occur?
  78. 6.10 Where does metamorphism occur?
  79. 6.10 Where does metamorphism occur?
  80. 6.10 Where does metamorphism occur?

Text and Images from Slide

6.8 How are metamorphic rocks classified?

Image of slate

Foliated texture: fine-grained with minerals aligned along planes (rock cleavage). Contains clays, muscovite, biotite, chlorite, quartz. Parent rock: shale, tuff

Fig 6.20

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