| Title |
Comment |
Keywords |
|
Manganese Nodules
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19:32 - 20:25 (00:53) / 0.8 MB
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manganese, nodule, iron, cobalt, nickel, metal, "calcium carbonate", "hot spring", "mid-oceanic ridge", "Richard Hazlett"
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Change in Environmental Conditions
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04:59 - 06:49 (01:50) / 2.8 MB
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"Stanley Aramic", fossil, "Alexander Hills", "Eastern California", stromatolite, "sedimentary rock", environment, sand, cyanobacteria, "rate of sedimentation", deposition, precipitation, "calcium carbonate", "Crystal Spring Formation"
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Minerals Formed By Biologic Processes
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24:25 - 24:45 (00:20) / 0.4 MB
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mineral, "biological activity", oyster, pearl, sponge, coral, "calcium carbonate", "sea water", precipitation, calcite, aragonite
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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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Principle of Uniformity
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10:14 - 11:49 (01:35) / 2.3 MB
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"James Sadd", "sedimentary rock", "clastic sediment", geologist, "Principle of Uniformity", "geologic time", weathering, water, wind, tide, "sea level change", lithification, deposition, "Earth's surface", limestone, "calcium carbonate", mud, quartz, sand, fossil, "tropical sea", Bahamas, "Florida Keys"
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Stalactites and Stalagmites
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05:53 - 07:15 (01:22) / 1.7 MB
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cave, groundwater, "carbon dioxide", "carbonic acid", limestone, precipitation, evaporation, "calcium carbonate", stalactite, stalagmite
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Geology School Keywords
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