Title |
Comment |
Keywords |
Grand Canyon
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01:22 - 02:31 (01:09) / 1.1 MB
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"James Sadd", "Grand Canyon", "John Wesley Powell", geology, "sedimentary rock", "Colorado River", landscape, "geologic time", "geologic history", "mineral composition", "grain size", "grain shape", structure, "rock color", climate, "vegetation pattern", shoreline, topography, "Earth's surface", sediment
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Cross-Bedding
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13:28 - 14:47 (01:19) / 1.4 MB
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"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
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Dissolution
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06:45 - 07:10 (00:25) / 1.5 MB
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"James Sadd", river, stream, dissolution, erosion, "mineral composition", bedrock, limestone, granite, temperature, acid, "flow velocity"
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Geology School Keywords
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