| Title |
Comment |
Keywords |
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What Geologists Do
|
02:06 - 02:51 (00:45) / 1.0 MB
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"James Sadd", geology
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The Rise of Plate Tectonics
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05:15 - 05:53 (00:38) / 0.8 MB
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"James Sadd", "plate tectonics"
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Natural Resources
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05:53 - 06:30 (00:37) / 0.7 MB
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"James Sadd", "natural resource", geologist
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What Geologists Study
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22:27 - 23:16 (00:49) / 1.2 MB
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"James Sadd", "geologic hazard", earthquake, "volcanic eruption", landslide, environment, geologist
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Geology's Influence on Civilization
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25:09 - 26:17 (01:08) / 1.5 MB
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"James Sadd", civilization, history, "geologic hazard", resource, geologist
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Life Was Not Always Everywhere on Earth
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02:28 - 03:12 (00:44) / 1.2 MB
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"James Sadd", life
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Differentiation
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11:36 - 12:05 (00:29) / 0.9 MB
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"James Sadd", differentiation, volcano, earthquake, ocean, atmosphere, "magnetic field"
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Radioactive Decay and Differentiation
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12:05 - 12:52 (00:47) / 0.8 MB
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"James Sadd", "radioactive decay", differentiation, "crustal formation"
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Algae Add Oxygen to the Atmosphere
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18:44 - 19:17 (00:33) / 0.6 MB
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"James Sadd", atmosphere, life, oxygen, water, algae
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Plate Tectonic Theory
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22:45 - 23:40 (00:55) / 1.6 MB
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"James Sadd", "plate tectonics", atom, chemistry, "quantum mechanics", physics, gene, DNA, biology
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Conclusion
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25:45 - 26:25 (00:40) / 1.0 MB
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"James Sadd", "plate tectonics"
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Introduction to Geophysics
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00:40 - 02:00 (01:20) / 1.5 MB
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introduction, "oil well", "James Sadd", "Soviet Union", drilling, oil, well, "Earth's interior"
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Geophysical methods
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02:00 - 02:37 (00:37) / 0.5 MB
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geophysics, seismic, earthquake, temperature, "James Sadd", "magnetic field", magnetics, gravity, modeling
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Gravity
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15:33 - 16:50 (01:17) / 1.3 MB
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"James Sadd", gravity, gravimeter
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Source of the Earth's Magnetic Field
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17:19 - 18:07 (00:48) / 0.9 MB
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magnetism, "James Sadd", "magnetic field"
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Loadstones and Compasses
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18:07 - 18:45 (00:38) / 0.8 MB
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"James Sadd", magnetism, Greeks, navigation, compass, loadstone
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Magnetic Reversals
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21:33 - 22:12 (00:39) / 0.6 MB
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"James Sadd", "magnetic field", "permanent magnetic field", magnetism
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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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Impact of Magnetic Reversals
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25:38 - 26:01 (00:23) / 0.5 MB
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"James Sadd", "magnetic reversal", "magnetic north pole", migration, "solar radiation"
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Conclusion
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26:01 - 26:43 (00:42) / 0.7 MB
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"James Sadd", magnetism, gravity, geophysics, seismicity, "geologic history", goal, "geophysical research"
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Water Pressure
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01:14 - 02:27 (01:13) / 1.1 MB
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"James Sadd", submersible, pressure
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High Technology of Sea Floor Exploration
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02:27 - 03:08 (00:41) / 0.6 MB
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"James Sadd", sampling, robot, equipment, "tectonic activity", ocean
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Age of Ocean Crust
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09:45 - 10:39 (00:54) / 0.9 MB
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crust, fossil, Australia, stromatolite, "James Sadd"
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Sampling the Deep Sea Floor
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11:53 - 13:06 (01:13) / 1.1 MB
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subduction, "Grand Canyon", vessel, instrument, "camel-grab", "box corer", "James Sadd"
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Mapping the Sea Floor
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13:06 - 14:03 (00:57) / 0.9 MB
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"echo sounding", topography, "James Sadd"
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Acoustical Mapping of the Sea Floor
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14:03 - 14:28 (00:25) / 0.4 MB
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topography, "James Sadd"
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Our Curiosity of Nature
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25:01 - 25:47 (00:46) / 0.6 MB
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nature, geology, origin, Earth, "James Sadd"
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Scientific Curiosity Converges with Human Needs
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25:47 - 26:30 (00:43) / 0.5 MB
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origin, resource, climate, environment, "Greenhouse Effect", "sea level", "James Sadd"
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Conclusion
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26:30 - 26:52 (00:22) / 0.2 MB
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"sea floor", Earth, "James Sadd"
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Introduction to Plate Tectonics
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00:40 - 01:29 (00:49) / 0.6 MB
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introduction, "James Sadd", "Solar System", Earth, planet, earthquake, ocean, volcano, glaciation, "plate tectonics", landform
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Theory of Plate Tectonics
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01:29 - 02:15 (00:46) / 0.5 MB
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"James Sadd", "plate tectonics", crust, continent, mantle, collision, "ocean basin", orogeny, mountain, volcano, eruption, earthquake, landform
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Conclusion
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25:47 - 26:59 (01:12) / 0.8 MB
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"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
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Plate Boundaries
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01:04 - 02:38 (01:34) / 0.8 MB
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"James Sadd", collision, valley, mountain, plate, crust, continent, "plate margin", earthquake, volcano, "deep-sea trench", "San Andreas Fault", California, "North American Plate", "Pacific Plate", orogeny, "geologic hazard", oil, "mineral resource", landscape, mechanism
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Convection in the Mantle
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10:57 - 12:14 (01:17) / 1.1 MB
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"James Sadd", geologist, "plate tectonics", mechanism, theory, crust, mantle, lithosphere, plate, asthenosphere, heat, convection
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Conclusion
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25:55 - 26:53 (00:58) / 0.6 MB
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"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"
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Introduction
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00:40 - 01:49 (01:09) / 1.3 MB
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introduction, mountain, orogeny, crust, uplift, erosion, fault, volcano, plate, "James Sadd"
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Concentric Growth of North America
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12:43 - 13:27 (00:44) / 0.6 MB
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mountain, orogeny, continent, "radiometric age dating", "North American Continent", "Appalachian Mountains", "Sierra Nevada", "Cascade Range", accretion, "James Sadd"
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Dance of the Continents
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25:14 - 26:48 (01:34) / 1.2 MB
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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"
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Earth's Structures
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00:40 - 01:29 (00:49) / 0.8 MB
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"James Sadd", plate, deformation, tectonics
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Rock Deformation
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01:29 - 01:49 (00:20) / 0.3 MB
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"James Sadd", "geologic structure", deformation, geology, resource
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Locating Geologic Structures
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04:57 - 06:02 (01:05) / 1.4 MB
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deformation, "geologic map", "James Sadd", map, strike, dip, fault, contact
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Geologic Cross Sections
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06:02 - 07:07 (01:05) / 1.5 MB
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structure, "geologic map", "James Sadd", "cross section", "seismic sounding"
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Rocks Fold
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07:33 - 08:03 (00:30) / 0.6 MB
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structure, "James Sadd", rock, heat, pressure, deformation, fold
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Rock Fracture
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09:56 - 10:36 (00:40) / 0.7 MB
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structure, "tectonic activity", "James Sadd", fracture, fault, earthquake, deformation
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Fault Types
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10:36 - 11:36 (01:00) / 1.1 MB
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structure, "tectonic activity", "James Sadd", fracture, fault, "dip-slip fault", "strike-slip fault", "oblique-slip fault", "left lateral", "right lateral", earthquake, deformation
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Unconformities
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16:25 - 17:32 (01:07) / 1.3 MB
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"James Sadd", "James Hutton", "geologic structure", unconformity, erosion, "sedimentary rock", contact
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The Great Unconformity
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17:32 - 18:26 (00:54) / 0.9 MB
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"James Sadd", "Grand Canyon", "geologic structure", unconformity, uplift, deformation, "tectonic activity", sandstone, "sea level change", erosion, "sedimentary rock", contact
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Economic Benefits of Structures
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21:25 - 22:28 (01:03) / 1.3 MB
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"James Sadd", "geologic structure", "economic geology", oil, strata, permeability, impermeability, fold
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First Commercial Oil Well
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22:28 - 22:46 (00:18) / 0.3 MB
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"James Sadd", "Appalachian Mountains", "oil well", "geologic structure", "economic geology", oil, gas, strata, permeability, impermeable, fold
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Importance of Geologic Structures
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25:22 - 26:51 (01:29) / 1.8 MB
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geology, "James Sadd", "John McPhee", "Mount Everest", "marine limestone", structure, fold, fault, plate, "geologic hazard", resource, "structural geology"
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Destructive Forces of Earthquakes
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03:26 - 04:36 (01:10) / 1.4 MB
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earthquake, "San Andreas Fault", California, plate, "North American Plate", "Pacific Plate", fault, "Richter Scale", Iran, Armenia, China, "James Sadd"
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Earthquakes Are Shockwaves
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04:36 - 05:06 (00:30) / 0.6 MB
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earthquake, crust, stress, "fault zone", fault, "James Sadd"
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Plate Tectonics As A Source of Stress
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05:06 - 05:27 (00:21) / 0.3 MB
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plate, stress, crust, earthquake, "James Sadd"
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Early Earthquake Detection Instruments
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08:31 - 09:35 (01:04) / 1.2 MB
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"James Sadd", earthquake, seismograph, China, "initial ground motion", vibration, "duplex pendulum", "San Francisco Earthquake", strength, duration, epicenter
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Conclusion
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26:29 - 27:30 (01:01) / 1.2 MB
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earthquake, "San Andreas Fault", crust, "fault zone", "tectonic stress", "earthquake prediction", energy, fault, "James Sadd"
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Conclusion
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25:25 - 26:55 (01:30) / 2.0 MB
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"James Sadd", earthquake, "earthquake prediction", liquefaction, epicenter
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Age of the Earth
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01:42 - 02:51 (01:09) / 1.5 MB
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"geologic time", "James Sadd", "geologic age", orogeny, mountain, "ocean basin", rift, continent
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A Calendar Year
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02:51 - 03:54 (01:03) / 1.2 MB
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"James Sadd", "geologic time", "geologic age", planet, water, life, oxygen, gas, atmosphere, "multi-cellular organism", plant, animal, dinosaur, extinction, humans, "Industrial Revolution"
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Immensity of Geologic Time
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03:54 - 04:24 (00:30) / 0.6 MB
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"James Sadd", "James Hutton", "geologic time"
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Superposition
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09:06 - 09:48 (00:42) / 0.8 MB
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"James Sadd", "geologic age", "Principle of Superposition", superposition
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Horizontal Rock Layers
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09:48 - 10:13 (00:25) / 0.5 MB
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"James Sadd", "Principle of Original Horizontality", "original horizontality", horizontality, gravity, fold, deformation
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Cross-Cutting Relationships
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10:13 - 10:39 (00:26) / 0.5 MB
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"James Sadd", "Principle of Cross-cutting Relationships", "cross-cutting relationship"
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Relative Age Dating of Rocks
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11:23 - 12:24 (01:01) / 1.2 MB
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"relative age dating", "Principles of Relative Age Dating", "James Sadd", correlation, "Kiabab Limestone", "Grand Canyon", "rock formation", Arizona, Minnesota, "Mount Saint Helens", "sedimentary rock"
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Geologic Time Correlations
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12:24 - 13:07 (00:43) / 1.1 MB
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"James Sadd", correlation, fossil, "rock formation"
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Absolute Age
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16:36 - 18:06 (01:30) / 1.3 MB
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"James Sadd", radioactivity, "Marie Curie", radioisotope, "Ernest Rutherford", "absolute age dating", "relative age dating", dinosaur, extinction
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Conclusion
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25:39 - 27:00 (01:21) / 1.5 MB
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"James Sadd", radioisotope, "relative age dating", "absolute age dating", mineral, superposition, horizontality, "cross-cutting relationship", "radiometric age dating", geologist, "rock formation", "geologic structure"
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Algae the Oldest Fossils
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01:13 - 02:04 (00:51) / 0.8 MB
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"James Sadd", algae, fossil, Australia, Africa, "North American Continent", plant, animal, life, origin, bacteria
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Life in the Paleozoic
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10:00 - 10:50 (00:50) / 1.1 MB
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"James Sadd", Cambrian, Paleozoic, evolution, life, fossil, vertebrate, environment, invertebrate, animal, brachiopod, trilobite, coral, fish, plant
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Largest Mass Extinction in Earth's History
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12:11 - 13:02 (00:51) / 0.8 MB
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"James Sadd", Paleozoic, continent, supercontinent, Pangea, ocean, climate, collision, "continental margin", mountain, Alps, "Himalaya Mountains", ecosystem, extinction, life
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Evolution in the Mesozoic
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13:58 - 14:38 (00:40) / 0.7 MB
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"James Sadd", evolution, Mesozoic, life, "coral reef", "continental margin", reptile, fish, predation, plant, "desiduous tree", bird, mammal, dinosaur
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Intense Tectonic Changes
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16:47 - 17:20 (00:33) / 0.7 MB
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"James Sadd", extinction, Mesozoic, dinosaur, Cenozoic, evolution, Australia, continent, mammal, "duck billed platypus", "spiny anteater", kangaroo
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Mammals Dominate the Land
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17:20 - 17:31 (00:11) / 0.2 MB
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"James Sadd", ecosystem, Mesozoic, extinction, evolution, mammal
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Ice Age Mammals
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25:29 - 26:11 (00:42) / 0.8 MB
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"James Sadd", Pleistocene, "Ice Age", mammal, "ground sloth", "saber toothed cat", extinction, humans, Africa, fossil, evolution
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Resilience of Life
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26:11 - 26:54 (00:43) / 0.8 MB
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"James Sadd", life, extinction, humans, plant, animal, dinosaur, evolution
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Conclusion
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26:54 - 27:18 (00:24) / 0.4 MB
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"James Sadd", humans, evolution, environment
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Introduction to Minerals
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00:40 - 01:43 (01:03) / 1.3 MB
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introduction, "James Sadd", mineral, geologist
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Minerals Are An Important Raw Material
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01:43 - 02:41 (00:58) / 1.3 MB
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"James Sadd", mineral, rock, crust, "open-pit mine", steel, "iron ore", "sand dune", quartz, glass
|
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Physical Properties of Minerals
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09:44 - 10:16 (00:32) / 0.9 MB
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"James Sadd", mineral, "physical property", "chemical composition", "crystal structure", color, cleavage, luster, "chemical reaction", "mineral identification"
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Mineral Colors
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10:16 - 10:24 (00:08) / 0.2 MB
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"James Sadd", mineral, color, crystal, rock, "physical property"
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Muscovite and Feldspar
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10:24 - 10:57 (00:33) / 0.7 MB
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"James Sadd", muscovite, feldspar, cleavage, "crystal structure", "physical property", "mineral identification", mineral, color
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Mineral Hardness
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10:57 - 11:29 (00:32) / 0.6 MB
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"James Sadd", quartz, calcite, "crystal structure", "physical property", "mineral identification", mineral, hardness
|
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Chemical Reaction
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11:29 - 11:54 (00:25) / 0.4 MB
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"James Sadd", calcite, quartz, "chemical reaction", "hydrochloric acid", "carbonate", silicate, "carbon dioxide", carbon, "physical property", "mineral identification", mineral
|
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Mineral Luster
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11:54 - 12:22 (00:28) / 0.4 MB
|
"James Sadd", luster, feldspar, muscovite, galena, pyrite, "metallic mineral", "physical property", "mineral identification", mineral
|
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Mineral Streak
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12:22 - 12:54 (00:32) / 0.6 MB
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"James Sadd", streak, "metallic mineral", color, hematite, galena, "crystal structure", "physical property", "mineral identification", mineral
|
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Laboratory Analysis of Minerals
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12:54 - 13:29 (00:35) / 0.7 MB
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"James Sadd", "microscopic crystal", geologist, rock, petrologist, "rock composition", "rock origin", sample, "laboratory analysis", "physical property", "mineral identification", mineral
|
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Conclusion
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26:21 - 26:56 (00:35) / 0.6 MB
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"James Sadd", mineral, "precious metal", gem, "industrial mineral", "mineral resource", oil, rock, "geologic history"
|
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Volcanoes and Magma
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02:19 - 03:46 (01:27) / 1.9 MB
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"James Sadd", volcano, magma, "interior of the Earth", eruption, "volcanic gas", "volcanic ash", atmosphere, climate, Sun, "sea floor", "mid-oceanic ridge", crust
|
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Volcanic Gas
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07:19 - 08:18 (00:59) / 2.0 MB
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"James Sadd", volcano, eruption, "volcanic gas", atmosphere, water, "carbon dioxide", sulfur, nitrogen, ocean, "lava flow", basalt, "shield volcano", pressure
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Andesitic Lavas Cause Explosive Eruptions
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08:40 - 09:34 (00:54) / 1.2 MB
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"James Sadd", eruption, "composite volcano", "lava flow", basalt, andesite, silica, temperature, viscosity, magma, gas, pressure, "volcanic ash", pumice
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Cinder Cones
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11:10 - 11:51 (00:41) / 0.9 MB
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"James Sadd", volcano, "cinder cone", cinder, "composite volcano", "shield volcano", "volcanic ash", "lava flow", eruption
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Volcanoes Die With Changes In Plate Boundaries
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13:20 - 14:07 (00:47) / 0.8 MB
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"James Sadd", volcano, "convergent plate margin", "Panam Crater", gas, eruption, crater, pumice, magma, vent, plug, dome, obsidian, viscosity, silica
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Benefits of Volcanoes
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25:42 - 26:30 (00:48) / 1.2 MB
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"James Sadd", volcano, "geologic hazard", soil, plant, agriculture, "hot spring", geothermal, energy, Iceland
|
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Conclusion
|
26:30 - 26:59 (00:29) / 0.7 MB
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"James Sadd", volcano, agriculture, "ocean basin", water, ocean, atmosphere, geologist
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Volcanic Eruptions
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00:40 - 02:04 (01:24) / 1.6 MB
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volcano, eruption, "lava flow", magma, crust, mantle, crystallization, intrusion, "igneous rock", "Mount Saint Helens", Kilauea, "James Sadd"
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Crystals and Cooling
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05:46 - 06:48 (01:02) / 1.4 MB
|
"James Sadd", dike, andesite, magma, gneiss, heat, crystal, granite, rhyolite, phenocryst
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Lab Limitations
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12:38 - 13:04 (00:26) / 0.7 MB
|
plutonic, "James Sadd", cooling, water, magma, intrusion, "igneous rock", tectonic
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Lava Lamp Model
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20:12 - 20:52 (00:40) / 0.7 MB
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lithosphere, magma, density, plutonic, "igneous rock", intrusion, batholith, pluton, "James Sadd"
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Tectonic Clues
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20:52 - 22:15 (01:23) / 1.4 MB
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erosion, "tectonic activity", batholith, plutonic, weathering, "Sierra Nevada", California, pluton, intrusion, mountain, andesite, "volcanic arc", ocean, crust, Andes, subduction, "James Sadd"
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Similar Planet Origins
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25:30 - 26:05 (00:35) / 0.9 MB
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heat, intrusion, "igneous rock", granite, sediment, continent, ocean, crust, gabbro, basalt, mantle, ultramafic, planet, "Solar System", "James Sadd"
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Value of Intrusive Igneous Processes
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26:05 - 26:58 (00:53) / 1.2 MB
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