| Title |
Comment |
Keywords |
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Powering the Hydrologic Cycle
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03:38 - 04:37 (00:59) / 2.3 MB
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"hydrologic cycle", "water cycle", weathering, erosion, "external heat engine"
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Oceans Preserve Fossils
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03:02 - 03:55 (00:53) / 1.4 MB
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"Dee Trent", fossil, erosion, "plate tectonics", "sedimentary rock", "terrestrial life", vertebrate, weathering, predation, scavenging
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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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Weathering and Soils
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30 minutes / n.a.
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weathering, soil, "chemical weathering", water, rock, plant, erosion, "mechanical weathering", granite, agriculture, climate, "acid rain"
| class="light"
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Introduction to Weathering and Soils
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00:40 - 01:55 (01:15) / 1.7 MB
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introduction, "Cleopatra's Needle", mud, Egypt, "United States", atmosphere, humid, "New York City", salt, weathering, "granitic rock", rock, "Earth's surface"
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Weathering
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01:55 - 03:00 (01:05) / 1.8 MB
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"James Sadd", rock, "sea floor", uplift, orogeny, regression, "environment of formation", "Earth's surface", weathering, polar, tropic, granite, mineral
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Mechanical Weathering
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03:00 - 04:38 (01:38) / 2.3 MB
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"mechanical weathering", weathering, rock, "Earth's surface", "tectonic activity", joint, "pressure release", "granitic dome", Yosemite, crust, uplift, erosion, exfoliation
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Ice Wedging
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04:38 - 05:41 (01:03) / 1.3 MB
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"ice wedging", weathering, "mechanical weathering", water, volume, pressure, granite
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Chemical Weathering
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05:41 - 06:42 (01:01) / 2.2 MB
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"mechanical weathering", weathering, "chemical weathering", disintegration, "ice wedging", "Earth's surface", "tectonic activity", "rock composition", crystal, quartz, feldspar, "ferromagnesium mineral"
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Water and Moisture
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06:42 - 08:06 (01:24) / 2.2 MB
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"chemical weathering", weathering, water, moisture, "chemical decomposition", mineral, rainfall, "carbon dioxide", atmosphere, "carbonic acid", vegetation, soil, limestone, "rock composition", iron, oxygen, "iron oxide", limonite, geothite, hematite, rust
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Rates of Weathering
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08:06 - 09:07 (01:01) / 1.9 MB
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"Thomas Hartnett", water, "chemical weathering", weathering, "weathering rate", climate, "mechanical weathering", soil, temperature, "chemical reaction", desert, mineral, "Earth's surface"
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Stable and Unstable Minerals
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09:07 - 09:40 (00:33) / 0.8 MB
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"J. Lawford Anderson", mineral, "Earth's surface", quartz, hematite, "iron oxide", rust, temperature, pressure, weathering
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Minerals and Weathering
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09:40 - 10:44 (01:04) / 1.2 MB
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"J. Lawford Anderson", granite, weathering, mineral, temperature, quartz, feldspar, "chemical weathering", plagioclase, clay, orthoclase, sediment, rock, "sedimentary rock"
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Sediment Turns To Stone
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10:44 - 11:11 (00:27) / 1.9 MB
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weathering, grus, sediment, sorting, deposit, cementation, sandstone, siltstone, silt, sand, mineral
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Acid Rain
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11:11 - 12:01 (00:50) / 2.3 MB
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"James Sadd", weathering, "chemical weathering", "parent rock", "industrial age", "carbon dioxide", "nitrogen oxide", "sulfur dioxide", atmosphere, "fossil fuel", forest, pollution, gas, rainfall, precipitation, "Earth's surface", "acid rain"
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Pollution
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12:01 - 13:12 (01:11) / 2.0 MB
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weathering, "chemical weathering", pollution, "acid rain", "sulfur dioxide", sulfur, coal, moisture, atmosphere, "sulfuric acid", acid, "carbon dioxide", "carbon monoxide", "nitrogen oxide", rainfall, plant, tree, masonry, stone, forest, lake, woodland, Europe, "North American Continent", precipitation
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Soil
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13:12 - 13:48 (00:36) / 0.8 MB
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"James Sadd", weathering, "chemical weathering", soil, life, humans, habitat, plant, water, "trace element", bacteria, nutrient, "terrestrial food chain"
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Calcium and Phosphorous
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13:48 - 15:09 (01:21) / 2.4 MB
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weathering, "chemical weathering", calcium, phosphorous, element, bone, plant, soil, animal, apatite, granite, phosphate, rock, "food chain", life, vertebrate
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Soils
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15:09 - 15:35 (00:26) / 1.1 MB
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weathering, "mechanical weathering", "chemical weathering", soil, plant, humus, rock
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Soil Horizons
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15:35 - 16:19 (00:44) / 1.0 MB
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weathering, soil, rock, horizon, "loamy topsoil", "A horizon", "B horizon", "C horizon", humus, plant, rainfall, water, leaching
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Parent Rock
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16:19 - 17:04 (00:45) / 1.2 MB
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weathering, soil, "parent rock", granite, "sandy soil", quartz, clay, feldspar, basalt, iron, permeability, "fertile soil", vegetation
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Climate and Time
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17:04 - 17:49 (00:45) / 1.3 MB
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weathering, soil, climate, "geologic time", rock, "Midwestern United States", "fertile soil", tropic
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Destruction of Soil
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17:49 - 18:18 (00:29) / 1.2 MB
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weathering, soil, humans, "Earth's surface", agriculture
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Tropical Soil
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18:18 - 19:20 (01:02) / 2.1 MB
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weathering, soil, tropic, jungle, "fertile soil", agriculture, "rain forest", vegetation, humus, nutrient, tree, plant, leaching, forest, erosion, wasteland
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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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Soil Management and Conservation
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21:21 - 22:50 (01:29) / 2.7 MB
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"Wayne Soppeland", "Rick Aguayo", "Mojave Desert", soil, weathering, crop, erosion, water, "soil management", agriculture, "U.S. Soil Conservation Service", irrigation, "soil survey", farming
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Wind Erosion
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22:50 - 23:18 (00:28) / 0.7 MB
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"Wayne Soppeland", "Rick Aguayo", weathering, soil, erosion, wind, "soil management"
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Windbreaks
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23:18 - 24:00 (00:42) / 1.3 MB
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"Wayne Soppeland", weathering, soil, wind, erosion, windbreak, tree, farming, sand
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Conservation Tillage
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24:00 - 24:59 (00:59) / 1.9 MB
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"Wayne Soppeland", weathering, soil, wind, windbreak, erosion, "conservation tillage", tilling, percolation, water, crop, irrigation
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Irrigation Management
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24:59 - 26:24 (01:25) / 2.4 MB
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"Wayne Soppeland", "Rick Aguayo", weathering, soil, irrigation, water, farming, crop, "saline residue", erosion, tilling, "crop rotation", windbreak
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Conclusion
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26:24 - 26:56 (00:32) / 1.0 MB
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"James Sadd", weathering, soil, life
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Weathering and Erosion
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03:22 - 03:58 (00:36) / 0.6 MB
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"Dee Trent", crust, "igneous rock", "metamorphic rock", "sedimentary rock", "Earth's surface", weathering, erosion, "rock composition", "mechanical weathering", "chemical weathering", mineral
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Principle of Uniformity
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10:14 - 11:49 (01:35) / 2.3 MB
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"James Sadd", "sedimentary rock", "clastic sediment", geologist, "Principle of Uniformity", "geologic time", weathering, water, wind, tide, "sea level change", lithification, deposition, "Earth's surface", limestone, "calcium carbonate", mud, quartz, sand, fossil, "tropical sea", Bahamas, "Florida Keys"
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Conditions of Metamorphism
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04:19 - 05:00 (00:41) / 0.8 MB
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"Douglas M. Morton", metamorphism, weathering, sedimentation, "sedimentary rock", temperature, pressure, melting, "igneous rock", "Earth's surface"
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Rock Type, Rock Structure, and Climate
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05:47 - 06:58 (01:11) / 1.5 MB
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"William Morris Davis", geologist, uplift, erosion, landscape, modeling, "tectonic activity", "rock type", structure, climate, fold, fault, sand, clay, "Earth's surface", slope, "Grand Canyon", "sedimentary rock", weathering, arid, vegetation, canyon, time
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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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Mountains and Rivers
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12:59 - 13:34 (00:35) / 0.7 MB
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"James Sadd", beach, sediment, deposition, erosion, transportation, shoreline, mountain, river, weathering, rock, "long-shore current", breakwater, human
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Geology School Keywords
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