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?