Title |
Comment |
Keywords |
Minerals Are An Important Raw Material
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01:43 - 02:41 (00:58) / 1.3 MB
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"James Sadd", mineral, rock, crust, "open-pit mine", steel, "iron ore", "sand dune", quartz, glass
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Uses of Sedimentary Rocks
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23:25 - 24:42 (01:17) / 1.5 MB
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"James Sadd", "sedimentary rock", geologist, "Earth's surface", crust, "fossil fuel", oil, "natural gas", coal, "building material", cement, sand, gravel, concrete, "iron ore", steel, bauxite, aluminum, brick, tile, "cut stone", asphalt
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Geology School Keywords
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