Ocean basins 3

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The most common plate boundaries• Mid ocean ridges (divergentplate boundaries)• <strong>Ocean</strong>-continent subductionzones (convergent plateboundaries)5
Page 1 and 2: 3. Ocean basinsTheir structure and
Page 3: Continental and oceanic lithosphere
Page 7 and 8: Types of plate boundaries7
Page 10 and 11: Magnetic anomaliesVolcano World web
Page 12 and 13: Plate motions from magnetic anomali
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Page 19 and 20: Hot spot model• Age and geometry
Page 21 and 22: Hot spot distributionThis Dynamic E
Page 23 and 24: Direct measurements - exampleFowler
Page 25: Absolute plate motionsfrom very lon
Page 29 and 30: Plate tectonics II• Changes in pl
Page 31 and 32: Some obvious signs for past changes
Page 33 and 34: Change in the Norwegian-Greenland S
Page 35: Evolution of the San AndreasTransfo
Page 38: Present day subduction of a spreadi
Page 41 and 42: The age of the oceansMuller et al.,
Page 43 and 44: Pacific Ocean• Complicated to rec
Page 45 and 46: Magnetic anomaliesVolcano World web
Page 47 and 48: Magnetic anomalies- Eastern Pacific
Page 50 and 51: The Wilson Cycle• Describes the l
Page 52 and 53: Plume-relateduplift• depends on:-
Page 54 and 55:
Passive rifting54
Page 56 and 57:
Active rifting56
Page 58 and 59:
Stages of ocean evolution1 - Embryo
Page 60 and 61:
For next timeLook at animations at:
Page 62 and 63:
The birth of an ocean1. The process
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Wilson Cycle Stage B - continentalr
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A young ocean - The Red Sea• Wils
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Red Sea - crustal architecture• E
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Ocean basins 3

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