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lecture12

Table of Contents

  1. Global Tectonics: Plates and Plumes
  2. Why study plates and their motions?
  3. Why study plates and their motions?
  4. Why study plates and their motions?
  5. Why study plates and their motions?
  6. Why study plates and their motions?
  7. Why study plates and their motions?
  8. Why study plates and their motions?
  9. Why study plates and their motions?
  10. Why study plates and their motions?
  11. Why study plates and their motions?
  12. Why study plates and their motions?
  13. Continental Drift
  14. Why study plates and their motions?
  15. 12.1 How does continental drift relate to plate tectonics?
  16. 12.1 How does continental drift relate to plate tectonics?
  17. 12.1 How does continental drift relate to plate tectonics?
  18. 12.2 What is the evidence that plates are rigid?
  19. 12.2 What is the evidence that plates are rigid?
  20. 12.2 What is the evidence that plates are rigid?
  21. 12.2 What is the evidence that plates are rigid?
  22. 12.2 What is the evidence that plates are rigid?
  23. 12.2 What is the evidence that plates are rigid?
  24. 12.2 What is the evidence that plates are rigid?
  25. 12.2 What is the evidence that plates are rigid?
  26. 12.2 What is the evidence that plates are rigid?
  27. 12.2 What is the evidence that plates are rigid?
  28. 12.2 What is the evidence that plates are rigid?
  29. 12.2 What is the evidence that plates are rigid?
  30. 12.3 What is the evidence that plates move apart at divergent plate boundaries?
  31. 12.3 What is the evidence that plates move apart at divergent plate boundaries?
  32. 12.3 What is the evidence that plates move apart at divergent plate boundaries?
  33. 12.3 What is the evidence that plates move apart at divergent plate boundaries?
  34. 12.3 What is the evidence that plates move apart at divergent plate boundaries?
  35. Age of Crusts
  36. Magnetic Record of Seafloors
  37. 12.3 What is the evidence that plates move apart at divergent plate boundaries?
  38. 12.3 What is the evidence that plates move apart at divergent plate boundaries?
  39. 12.3 What is the evidence that plates move apart at divergent plate boundaries?
  40. Seismic Tomography Data
  41. Rift Valleys
  42. Forming Seas
  43. 12.3 What is the evidence that plates move apart at divergent plate boundaries?
  44. 12.3 What is the evidence that plates move apart at divergent plate boundaries?
  45. 12.4 What is the evidence that subduction occurs at convergent plate boundaries?
  46. 12.4 What is the evidence that subduction occurs at convergent plate boundaries?
  47. 12.4 What is the evidence that subduction occurs at convergent plate boundaries?
  48. 12.4 What is the evidence that subduction occurs at convergent plate boundaries?
  49. 12.4 What is the evidence that subduction occurs at convergent plate boundaries?
  50. 12.4 What is the evidence that subduction occurs at convergent plate boundaries?
  51. 12.4 What is the evidence that subduction occurs at convergent plate boundaries?
  52. Seismic Tomography
  53. 12.4 What is the evidence that subduction occurs at convergent plate boundaries?
  54. 12.4 What is the evidence that subduction occurs at convergent plate boundaries?
  55. 12.4 What is the evidence that subduction occurs at convergent plate boundaries?
  56. 12.4 What is the evidence that subduction occurs at convergent plate boundaries?
  57. Convergent Plate Boundaries
  58. 12.4 What is the evidence that subduction occurs at convergent plate boundaries?
  59. 12.4 What is the evidence that subduction occurs at convergent plate boundaries?
  60. 12.5 What is the evidence that plates slide past one another at transform plate boundaries?
  61. Fault Displacement
  62. 12.5 What is the evidence that plates slide past one another at transform plate boundaries?
  63. 12.5 What is the evidence that plates slide past one another at transform plate boundaries?
  64. 12.5 What is the evidence that plates slide past one another at transform plate boundaries?
  65. 12.6 What does the mantle-plume hypothesis explain that plate tectonics cannot explain?
  66. 12.6 What does the mantle-plume hypothesis explain that plate tectonics cannot explain?
  67. 12.6 What does the mantle-plume hypothesis explain that plate tectonics cannot explain?
  68. 12.6 What does the mantle-plume hypothesis explain that plate tectonics cannot explain?
  69. 12.6 What does the mantle-plume hypothesis explain that plate tectonics cannot explain?
  70. 12.6 What does the mantle-plume hypothesis explain that plate tectonics cannot explain?
  71. 12.6 What does the mantle-plume hypothesis explain that plate tectonics cannot explain?
  72. 12.7 How do we know ... that plates move in real time?
  73. 12.7 How do we know ... that plates move in real time?
  74. Global Plate Motion
  75. 12.7 How do we know ... that plates move in real time?
  76. 12.7 How do we know ... that plates move in real time?
  77. Measurements and Predictions
  78. 12.7 How do we know ... that plates move in real time?
  79. 12.7 How do we know ... that plates move in real time?
  80. 12.8 What forces cause plate motions and plumes?
  81. 12.8 What forces cause plate motions and plumes?
  82. 12.8 What forces cause plate motions and plumes?
  83. 12.8 What forces cause plate motions and plumes?
  84. 12.8 What forces cause plate motions and plumes?
  85. 12.9 What were the consequences of plate motion over geologic time?
  86. 12.9 What were the consequences of plate motion over geologic time?
  87. 12.9 What were the consequences of plate motion over geologic time?
  88. 12.9 What were the consequences of plate motion over geologic time?
  89. 12.9 What were the consequences of plate motion over geologic time?
  90. 12.9 What were the consequences of plate motion over geologic time?
  91. 12.9 What were the consequences of plate motion over geologic time?
  92. 12.9 What were the consequences of plate motion over geologic time?
  93. 12.9 What were the consequences of plate motion over geologic time?
  94. 12.9 What were the consequences of plate motion over geologic time?

Text and Images from Slide

cross section of continental - continental boundry. An example of this is the Himalayas where the collision of two plate boundries formed the ridge.

Types of convergent plate boundaries

Fig 12.26

Himalayas are due to this sort of boundary, the collision of India with SE Asia.

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