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Plate Tectonics and Western North America. Magnetic Stripes off Pacific Coast.

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Presentation on theme: "Plate Tectonics and Western North America. Magnetic Stripes off Pacific Coast."— Presentation transcript:

1 Plate Tectonics and Western North America

2 Magnetic Stripes off Pacific Coast

3 Evolution of the Eastern Pacific

4 Western U.S. and the Andes

5 How the West Was Stretched

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10 The Plate Tectonics Model

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25 Geology of the Caribbean

26 Fit of Continents Across the Atlantic

27 The Caribbean

28 The Caribbean Plate

29 How the Plates are Moving

30 Some Mysteries What was between North and South America? How did Central America form? Where did the Greater Antilles come from? Why is the Caribbean shallower than the Atlantic? Why is there a plate between North and South America at all?

31 A Subduction Zone

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36 How Arcs Grow

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40 Exotic Terranes

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49 Fit of Continents Across the Atlantic

50 The Caribbean

51 Before Breakup

52 Opening of the North Atlantic

53 150 m.y.

54 Yucatan Rifts Away

55 130 m.y.

56 120 m.y.

57 110 m.y.

58 100 m.y.

59 Volcanic Plateau Begins to Form

60 80 m.y.

61 Plateau Encounters Subduction Zone

62 70 m.y.

63 60 m.y.

64 Yucatan Basin Opens

65 40 m.y.

66 30 m.y.

67 East Pacific Rise Approaches

68 10 m.y.

69 Now


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