| Title |
Comment |
Keywords |
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Magnetic Polarity
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22:12 - 23:03 (00:51) / 0.9 MB
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"James Sadd", "magnetic polarity", magnetism, "magnetic reversal", "magnetic north pole", paleomagnetism, "magnetic south pole"
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Paleomagnetism
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23:26 - 24:38 (01:12) / 1.4 MB
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"Scott Bogue", magnetism, "rock coring", "lava flow", "Mojave Desert", paleomagnetism
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Magnetic Reversals
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24:38 - 25:38 (01:00) / 1.1 MB
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"Scott Bogue", magnetism, "magnetic reversal", "rock coring", "lava flow", "Mojave Desert", paleomagnetism
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The Birth of a Theory
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30 minutes / n.a.
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"Alfred Wegener", "plate tectonics", "mid-oceanic ridge", "continental drift", "sea floor spreading", mountain, continent, crust, paleomagnetism, "ocean basin", "magnetic field"
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No Evidence For An Expanding Earth
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12:56 - 13:54 (00:58) / 0.7 MB
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"Harry H. Hess", "sea floor spreading", "mid-oceanic ridge", Earth, crust, trench, subduction, "Alfred Wegener", data, geopoetry, paleomagnetism
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Paleomagnetism
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13:54 - 14:36 (00:42) / 0.3 MB
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"Scott Bogue", paleomagnetism, "magnetic field", polarity
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Magnetic Reversals
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14:36 - 15:43 (01:07) / 0.8 MB
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"Scott Bogue", geologist, paleomagnetism, ocean, oceanographer, "lava flow", "Cambridge University", "Frederick Vine", "Drummand Matthews", intensity, "magnetic reversal", "sea floor", "magnetic field", polarity
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Polarity In Rocks of the Same Age
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15:43 - 16:52 (01:09) / 1.0 MB
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"Scott Bogue", paleomagnetism, "magnetic field", "magnetic reversal", USGS, polarity
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Sampling the Sea Floor
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19:31 - 20:30 (00:59) / 1.3 MB
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"transform fault", oceanographer, sampling, "sea floor", "Glomar Challenger", "drill core", "mid-oceanic ridge", paleomagnetism, "sea floor spreading", fossil, paleoclimate, mountain, "mineral deposit"
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How Far Did These Terranes Travel
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17:18 - 18:25 (01:07) / 1.2 MB
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terrane, "exotic terrane", "suspect terrane", paleomagnetism, fossil, "oceanic crust", continent, accretion, mountain, "metamorphic rock", "igneous rock", "J. Lawford Anderson"
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Geology School Keywords
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