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Lecture 13

Table of Contents

  1. Tectonics and Surface Relief
  2. Why study surface relief?
  3. Why study surface relief?
  4. Why study surface relief?
  5. Why study surface relief?
  6. Why study surface relief?
  7. Why study surface relief?
  8. Why study surface relief?
  9. Why study surface relief?
  10. Above and Below sea level
  11. 13.1 Why are continents high and oceans low?
  12. 13.1 Why are continents high and oceans low?
  13. 13.1 Why are continents high and oceans low?
  14. 13.1 Why are continents high and oceans low?
  15. 13.1 Why are continents high and oceans low?
  16. 13.1 Why are continents high and oceans low?
  17. 13.1 Why are continents high and oceans low?
  18. 13.1 Why are continents high and oceans low?
  19. 13.2 How do we know ... that mountains have roots?
  20. 13.2 How do we know ... that mountains have roots?
  21. 13.2 How do we know ... that mountains have roots?
  22. 13.2 How do we know ... that mountains have roots?
  23. 13.3 How does isostasy relate to active geologic processes?
  24. 13.3 How does isostasy relate to active geologic processes?
  25. 13.3 How does isostasy relate to active geologic processes?
  26. 13.3 How does isostasy relate to active geologic processes?
  27. 13.3 How does isostasy relate to active geologic processes?
  28. Glacial Isostasy
  29. 13.3 How does isostasy relate to active geologic processes?
  30. 13.3 How does isostasy relate to active geologic processes?
  31. 13.3 How does isostasy relate to active geologic processes?
  32. 13.3 How does isostasy relate to active geologic processes?
  33. 13.4 Why does sea level change?
  34. 13.4 Why does sea level change?
  35. 13.4 Why does sea level change?
  36. 13.4 Why does sea level change?
  37. 13.4 Why does sea level change?
  38. 13.4 Why does sea level change?
  39. 13.5 How and where do mountains form?
  40. 13.5 How and where do mountains form?
  41. 13.5 How and where do mountains form?
  42. 13.5 How and where do mountains form?
  43. 13.5 How and where do mountains form?
  44. 13.5 How and where do mountains form?
  45. 13.5 How and where do mountains form?
  46. 13.6 How does mountain building relate to the growth of continents?
  47. 13.6 How does mountain building relate to the growth of continents?
  48. Non-Subductable Crust
  49. Non-Subductable Crust 2
  50. 13.6 How does mountain building relate to the growth of continents?
  51. 13.6 How does mountain building relate to the growth of continents?
  52. 13.6 How does mountain building relate to the growth of continents?
  53. Provinces of North America
  54. 13.6 How does mountain building relate to the growth of continents?
  55. 13.6 How does mountain building relate to the growth of continents?
  56. 13.6 How does mountain building relate to the growth of continents?
  57. Island Arcs
  58. 13.6 How does mountain building relate to the growth of continents?

Text and Images from Slide

map showing the Andes Mountains and image of mountains

13.5 How and where do mountains form?

Fig 13.18

Compressive stress occurs near an oceanic-continental boundary and we might expect folding, shortening, and uplift. However, we see that many of the highest mountains in this area occur well inland of the plate boundary. While some of these are volcanic, they occur on regions of already uplifted rock.

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