Title |
Comment |
Keywords |
Formation of Fossils
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02:04 - 03:02 (00:58) / 1.5 MB
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mold, bone, shell, "sedimentary rock", groundwater, cast, fossil, track, burrow, nest
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Stromatolites
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03:55 - 04:59 (01:04) / 1.4 MB
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fossil, "marine organism", bone, shell, stromatolite, algae, oxygen, atmosphere, evolution, "sedimentary rock"
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Reconstructing an Environment
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20:01 - 21:07 (01:06) / 1.2 MB
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"Shelley M. Cox", fossil, soil, plant, shell, insect, microfossil, climate, mouse, gopher, environment
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Sediment
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02:31 - 03:22 (00:51) / 1.0 MB
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sediment, "mechanical weathering", "chemical weathering", erosion, wind, water, ice, "biological activity", sand, dune, beach, pebble, stream, shell, "sea floor", compaction, cementation, "sedimentary rock"
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Biological Contribution
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07:42 - 08:56 (01:14) / 1.3 MB
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"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
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Geology School Keywords
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