Title |
Comment |
Keywords |
Manganese Nodules
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19:32 - 20:25 (00:53) / 0.8 MB
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manganese, nodule, iron, cobalt, nickel, metal, "calcium carbonate", "hot spring", "mid-oceanic ridge", "Richard Hazlett"
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Harvesting Undersea Resources
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20:25 - 21:17 (00:52) / 0.5 MB
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oil, manganese, nodule, ecosystem, "mid-oceanic ridge", "Richard Hazlett"
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Seismic Wave Velocities
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06:46 - 07:36 (00:50) / 1.1 MB
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earthquake, "P-wave", "S-wave", "primary wave", "secondary wave", epicenter, "Richard Hazlett"
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Seismograph and Epicenter
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07:36 - 08:31 (00:55) / 1.1 MB
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seismograph, earthquake, "S-wave", "P-wave", "primary wave", "secondary wave", epicenter, energy, "Richard Hazlett"
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Quartz
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08:34 - 09:20 (00:46) / 0.7 MB
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"Richard Hazlett", mineral, quartz, silicon, oxygen, solid, gas, hardness, "three-dimensional bonding", ion, transparent, crystal, element
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Volcanoes Far From Plate Margins
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11:51 - 13:20 (01:29) / 2.7 MB
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"Richard Hazlett", "Robert Tilling", volcano, "convergent plate margin", "divergent plate margin", "oceanic hot spot", desert, California, subduction, "cinder cone", crust, tension, fracture, "plate tectonics", pressure, magma, eruption
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Soil Erosion
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19:20 - 20:45 (01:25) / 2.0 MB
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"Richard Hazlett", "soil erosion", tropic, "rain forest", "Midwestern United States", "dust bowl", draught, wind, soil, weathering, dust, grassland, agriculture, glacial, plant, crop, topsoil, farming
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Dust Bowl In Retrospect
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20:45 - 21:21 (00:36) / 1.0 MB
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"Richard Hazlett", weathering, soil, "dust bowl", "U.S. Soil Conservation Service", agriculture, "natural resource"
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Coastal Deserts
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08:54 - 09:50 (00:56) / 1.4 MB
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"Richard Hazlett", desert, air, water, coastline, Chile, Africa, ocean, evaporation, temperature, "cold marine current", "coastal desert"
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Blowouts and Oasis
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15:11 - 16:09 (00:58) / 1.6 MB
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"Richard Hazlett", desert, wind, dune, blowout, stream, Sahara, "Earth's surface", vegetation, soil, sediment, "water table", oasis
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Desert Varnish
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16:42 - 18:16 (01:34) / 3.5 MB
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"Richard Hazlett", desert, "desert varnish", "manganese oxide", clay, weathering, evaporation, precipitation, "acid rain", "chemical weathering", rainfall, microbe, "biological activity"
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Geology School Keywords
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