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USGS CMG InfoBank Geology School: cross-bedding

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Title Comment Keywords
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
Depositional Environments of Cross-Bedding 14:47 - 15:20 (00:33) / 0.6 MB "Walter E. Reed", "sedimentary rock", "clastic sediment", "sedimentary structure", "depositional environment", deposition, cross-bedding, river, interruption, progradation
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"
Reconstructing Ancient Landscapes 17:49 - 18:37 (00:48) / 1.0 MB "sedimentary rock", "clastic sediment", "sedimentary structure", geologist, "mud crack", "ripple mark", cross-bedding, landscape, "San Andreas Fault", "San Gabriel Fault", "Ridge Basin", "Southern California", basin, mountain
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"
Geology School Keywords
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Page Last Modified: Thu Oct 31 04:24:30 PDT 2013  (chd)