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Title Comment Keywords
Correlating Geology Across Continents 03:44 - 04:35 (00:51) / 0.5 MB "Jason Saleeby", "Alfred Wegener", "continental drift", map, fossil, "mineral deposit", continent, "ocean basin", Gondwana, Antarctica, Australia, Africa, "South America", plant, climate, glaciation, coal
A Calendar Year 02:51 - 03:54 (01:03) / 1.2 MB "James Sadd", "geologic time", "geologic age", planet, water, life, oxygen, gas, atmosphere, "multi-cellular organism", plant, animal, dinosaur, extinction, humans, "Industrial Revolution"
Carbon-14 19:37 - 20:27 (00:50) / 1.8 MB "radiocarbon dating", carbon-14, radioactivity, carbon, atmosphere, water, plant, animal, isotope, "absolute age dating"
Evolution Through Time 30 minutes / n.a. fossil, evolution, life, environment, extinction, animal, plant, Mesozoic, mammal, dinosaur, stromatolite, "sedimentary rock", Paleozoic, ecosystem, climate, Cenozoic, atmosphere, "rock formation"
Algae the Oldest Fossils 01:13 - 02:04 (00:51) / 0.8 MB "James Sadd", algae, fossil, Australia, Africa, "North American Continent", plant, animal, life, origin, bacteria
Life in the Paleozoic 10:00 - 10:50 (00:50) / 1.1 MB "James Sadd", Cambrian, Paleozoic, evolution, life, fossil, vertebrate, environment, invertebrate, animal, brachiopod, trilobite, coral, fish, plant
Evolution in the Mesozoic 13:58 - 14:38 (00:40) / 0.7 MB "James Sadd", evolution, Mesozoic, life, "coral reef", "continental margin", reptile, fish, predation, plant, "desiduous tree", bird, mammal, dinosaur
Studying the Bones 18:36 - 20:01 (01:25) / 1.1 MB "Eric Scott", "Rancho La Brea", fossil, plant, pollen, mammoth, bison, "saber toothed cat", tar
Reconstructing an Environment 20:01 - 21:07 (01:06) / 1.2 MB "Shelley M. Cox", fossil, soil, plant, shell, insect, microfossil, climate, mouse, gopher, environment
Resilience of Life 26:11 - 26:54 (00:43) / 0.8 MB "James Sadd", life, extinction, humans, plant, animal, dinosaur, evolution
Benefits of Volcanoes 25:42 - 26:30 (00:48) / 1.2 MB "James Sadd", volcano, "geologic hazard", soil, plant, agriculture, "hot spring", geothermal, energy, Iceland
Weathering and Soils 30 minutes / n.a. weathering, soil, "chemical weathering", water, rock, plant, erosion, "mechanical weathering", granite, agriculture, climate, "acid rain"
Pollution 12:01 - 13:12 (01:11) / 2.0 MB 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
Soil 13:12 - 13:48 (00:36) / 0.8 MB "James Sadd", weathering, "chemical weathering", soil, life, humans, habitat, plant, water, "trace element", bacteria, nutrient, "terrestrial food chain"
Calcium and Phosphorous 13:48 - 15:09 (01:21) / 2.4 MB weathering, "chemical weathering", calcium, phosphorous, element, bone, plant, soil, animal, apatite, granite, phosphate, rock, "food chain", life, vertebrate
Soils 15:09 - 15:35 (00:26) / 1.1 MB weathering, "mechanical weathering", "chemical weathering", soil, plant, humus, rock
Soil Horizons 15:35 - 16:19 (00:44) / 1.0 MB weathering, soil, rock, horizon, "loamy topsoil", "A horizon", "B horizon", "C horizon", humus, plant, rainfall, water, leaching
Tropical Soil 18:18 - 19:20 (01:02) / 2.1 MB weathering, soil, tropic, jungle, "fertile soil", agriculture, "rain forest", vegetation, humus, nutrient, tree, plant, leaching, forest, erosion, wasteland
Soil Erosion 19:20 - 20:45 (01:25) / 2.0 MB "Richard Hazlett", "soil erosion", tropic, "rain forest", "Midwestern United States", "dust bowl", draught, wind, soil, weathering, dust, grassland, agriculture, glacial, plant, crop, topsoil, farming
Biological Contribution 07:42 - 08:56 (01:14) / 1.3 MB "sedimentary rock", "chemical sedimentation", ocean, "biological activity", algae, coral, invertebrate, "calcium carbonate", shell, reef, "sea floor", limestone, fossil, chalk, plant, animal, life, "continental shelf", radiolaria, diatom, silica, chert, diatomite
Rainfall 02:05 - 02:43 (00:38) / 0.9 MB "James Sadd", river, rainfall, water, precipitation, groundwater, "glacial ice", "soil moisture", atmosphere, evaporation, plant, landform
Wind, Dust and Deserts 30 minutes / n.a. desert, wind, rainfall, plant, soil, sand, evaporation, air, vegetation, precipitation, dune, desertification, climate
Introduction to Wind, Dust and Desert 00:40 - 01:54 (01:14) / 1.1 MB introduction, "James Sadd", "Death Valley", lake, valley, shoreline, grassland, slope, "pine tree", humid, animal, bison, antelope, horse, pelican, flamingo, climate, glacier, "Ice Age", salt, lakebed, desert, plant, evaporation
Past Deserts 07:38 - 08:29 (00:51) / 1.6 MB "Southwestern United States", desert, "fossil dune", "Grand Canyon", sandstone, "Zion National Park", "cross-bedding", oxidation, iron, "dry land", plant, animal, fossil, forest, "geologic time", "plate tectonics", orogeny, mountain, "rain shadow"
Desert Dust 12:58 - 13:42 (00:44) / 1.2 MB desert, wind, "desert dust", rock, mineral, plant, animal, ash, detritus, "volcanic ash", atmosphere, storm
Vegetation 19:00 - 19:48 (00:48) / 2.0 MB vegetation, air, rainfall, Sun, plant
Development and Overgrazing 19:48 - 20:49 (01:01) / 1.9 MB vegetation, humans, atmosphere, plant, tree, air, climate, rainfall, semi-arid, desert, desertification, agriculture, grazing
Dust Bowl 20:49 - 21:42 (00:53) / 1.1 MB desertification, desert, "United States", "Great Plains", "ecological balance", rainfall, plant, agriculture, grazing, soil, drought, "dust bowl", "soil conservation"
Sahel 21:42 - 23:02 (01:20) / 2.3 MB desert, desertification, Africa, Sahel, Sahara, semi-arid, rainfall, grazing, drought, plant, soil, cattle, "dust storm", dune, Ethiopia, Sudan, human
Indicators of Past Ice Ages 14:04 - 15:37 (01:33) / 1.9 MB "Brian Edwards", data, "Ice Age", "Earth's orbit", "drill core", "deep-sea sediment", fossil, microfossil, plant, temperature, ocean, "geologic time", Sun, continent, "plate tectonics", "ocean current", climate, polar, landmass, "ice sheet"
Geology School Keywords
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