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USGS CMG InfoBank Geology School: sea floor spreading

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Title Comment Keywords
Origin of the Sea Floor 10:39 - 11:02 (00:23) / 0.5 MB core, "mid-oceanic ridge", "sea floor spreading"
The Birth of a Theory 30 minutes / n.a. "Alfred Wegener", "plate tectonics", "mid-oceanic ridge", "continental drift", "sea floor spreading", mountain, continent, crust, paleomagnetism, "ocean basin", "magnetic field"
Guyots 11:06 - 12:06 (01:00) / 0.5 MB "Harry H. Hess", "Robert Dietz", "Gary Ernst", guyot, "wave erosion", island, subsidence, crust, "sea floor spreading", "mid-Atlantic ridge", upwelling, mantle, "mid-oceanic ridge", convection
Sea Floor Spreading 12:06 - 12:56 (00:50) / 0.4 MB "Gary Ernst", "continental drift", "sea floor spreading", "Alfred Wegener", "Harry H. Hess", continent, "ocean basin", "mid-oceanic ridge"
No Evidence For An Expanding Earth 12:56 - 13:54 (00:58) / 0.7 MB "Harry H. Hess", "sea floor spreading", "mid-oceanic ridge", Earth, crust, trench, subduction, "Alfred Wegener", data, geopoetry, paleomagnetism
Mirror Image of Magnetic Patterns 16:52 - 17:31 (00:39) / 0.4 MB "Frederick Vine", "Drummand Matthews", "magnetic reversal", "sea floor spreading", "magnetic field", polarity, "mid-oceanic ridge"
Transform Faults 18:24 - 19:31 (01:07) / 0.6 MB "J. Tuzo Wilson", "Lynn Sykes", earthquake, fault, "mid-oceanic ridge", "sea floor spreading", "mid-Atlantic ridge", "transform fault"
Sampling the Sea Floor 19:31 - 20:30 (00:59) / 1.3 MB "transform fault", oceanographer, sampling, "sea floor", "Glomar Challenger", "drill core", "mid-oceanic ridge", paleomagnetism, "sea floor spreading", fossil, paleoclimate, mountain, "mineral deposit"
Conclusion 25:47 - 26:59 (01:12) / 0.8 MB "James Sadd", "sea floor spreading", "plate tectonics", "global model", "crustal dynamics", "Theory of Plate Tectonics", theory, geology, earthquake, volcanism, mountain, "ocean basin", plate, Earth, mechanism, mantle, geologist
Sea Floor Spreading 04:35 - 05:33 (00:58) / 0.5 MB "plate tectonics", "oceanic crust", crust, magma, volcano, "divergent plate", "mid-oceanic ridge", rift, "sea floor spreading", plate, topography, orogeny, collision, "deep-sea trench", subduction
Depth of Convection 17:34 - 18:18 (00:44) / 0.4 MB mantle, convection, "single convection cell", "sea floor spreading", modeling, "boundary layer", theory, seismic, "plate tectonics", depth
Conclusion 25:55 - 26:53 (00:58) / 0.6 MB "James Sadd", "plate tectonics", modeling, theory, earthquake, volcano, mountain, orogeny, "sea floor spreading", mechanism, plate, "North American Continent", "Pacific Ocean", Rockies, "Alfred Wegener", "continental drift"
Early Crust 03:48 - 05:05 (01:17) / 1.1 MB water, atmosphere, "oceanic crust", "convergent plate", "island arc", "sea floor spreading", "convective cell", "continental crust", supercontinent, accretion, plate, "upper mantle", "Gary Ernst"
Dance of the Continents 25:14 - 26:48 (01:34) / 1.2 MB mountain, orogeny, continent, "oceanic crust", collision, subduction, "convergent plate margin", orogeny, erosion, "convergent plate", supercontinent, Alaska, "sea floor spreading", "strike-slip fault", "North American Continent", "Mediterranean Sea", "ocean basin", Africa, Europe, volcano, earthquake, "James Sadd"
Geology School Keywords
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