Ocean basins 3

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Magnetic anomalies- East Indian <strong>Ocean</strong>• Spreading betweenAustralia and Antarcticawas the last to commence inthe former Pangeasupercontinent• Spreading on an now extinctspreading center whichmoved India northwardThe Solid Earth, Fowler 48
Page 1 and 2: 3. Ocean basinsTheir structure and
Page 3 and 4: Continental and oceanic lithosphere
Page 5 and 6: The most common plate boundaries•
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
Page 14 and 15: Geometry of motion on a sphere; At
Page 16 and 17: Motions and earthquakesat plate bou
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: Magnetic anomalies- Eastern Pacific
Page 51 and 52: Ancient Oceans• The Wilson Cycle
Page 53 and 54: Passive or active riftingdepends on
Page 55 and 56: Passive rifting55
Page 57 and 58: Active rifting57
Page 59 and 60: Remember• Sequences of magnetic s
Page 61 and 62: Plate Tectonics III• The birth of
Page 63 and 64: Wilson Cycle Stage A - stable conti
Page 65 and 66: Embryonic stage - East African rift
Page 67 and 68: Wilson Cycle Stage C - continentalb
Page 69 and 70: Red Sea magnetic anomalies• Well
Page 71 and 72: Red SeasedimentsBrines and metallic

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