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USGS CMG InfoBank Geology School: dune

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Title Comment Keywords
Geology of Mojave National Preserve n.a. / n.a. Mojave, dune, sand dune, volcanic remnant, geologic time scale, Cima Dome, Granite Mountains, Hole in the Wall, Cinder Cones, Mitchell Caverns, Kelos Dunes, Soda Lake
Sediment 02:31 - 03:22 (00:51) / 1.0 MB sediment, "mechanical weathering", "chemical weathering", erosion, wind, water, ice, "biological activity", sand, dune, beach, pebble, stream, shell, "sea floor", compaction, cementation, "sedimentary rock"
Cross-Bedding 13:28 - 14:47 (01:19) / 1.4 MB "sedimentary rock", "clastic sediment", "Principle of Original Horizontality", "sedimentary structure", bedding, cross-bedding, lakebed, "sea floor", wind, sand, dune, "mineral color", "mineral composition", "sand bar", "stream delta", geologist, stream, deposition, erosion, velocity, water
Cross-Beds Determines Direction 15:20 - 16:08 (00:48) / 1.0 MB "Walter E. Reed", "sedimentary rock", "clastic sediment", "sedimentary structure", cross-bedding, transportation, river, dune, "water current", downstream, meander, sorting, "grain size"
Wind, Dust and Deserts 30 minutes / n.a. desert, wind, rainfall, plant, soil, sand, evaporation, air, vegetation, precipitation, dune, desertification, climate
Wind Agent 12:25 - 12:58 (00:33) / 0.9 MB "James Sadd", desert, landscape, wind, sand, silt, transportation, dune, continent, "ocean basin"
Sand Dunes 14:24 - 15:01 (00:37) / 0.5 MB desert, wind, sand, ocean, continent, dune
Blowouts and Oasis 15:11 - 16:09 (00:58) / 1.6 MB "Richard Hazlett", desert, wind, dune, blowout, stream, Sahara, "Earth's surface", vegetation, soil, sediment, "water table", oasis
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
Conclusion 25:45 - 26:48 (01:03) / 1.3 MB "James Sadd", desert, humans, life, dune, playa, salt, sand, "desert varnish", environment, landform, climate, lake, grassland, forest
Geology School Keywords
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Page Last Modified: Thu Oct 31 04:24:31 PDT 2013  (chd)