Using Mineral Resources. Minerals are the source of gemstones, metals, and a variety of materials...
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Transcript of Using Mineral Resources. Minerals are the source of gemstones, metals, and a variety of materials...
![Page 1: Using Mineral Resources. Minerals are the source of gemstones, metals, and a variety of materials used to make many products.](https://reader035.fdocuments.us/reader035/viewer/2022062518/56649f385503460f94c54e25/html5/thumbnails/1.jpg)
Using Mineral Resources
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Minerals are the source of gemstones, metals, and a variety of materials used to make many products
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Food
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Makeup
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Vitamins
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Gemstones
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• Gemstones – hard, colorful, usually rare, minerals that have a brilliant or glassy luster.– Once a gemstone is cut and polished = GEM– Jewelry – Decoration
…but also– Mechanical parts for grinding/polishing
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• Metals• Some minerals are the sources for aluminum,
iron, copper, or silver– Tools– Machinery– Cars– Light bulb filaments– Aluminum foil– Building steel
…the list is endless
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• Metals are typically not as hard as gemstones
• Metals can be…– Stretched into wire– Flattened into sheets– Hammered– Molded
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Other important mineral uses…
• Medicine
• Food
• Fertilizer
• Building materials
• Optical instruments
• What optical instrument do scientists use all the time…?
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• Quartz used in making glass (for electronic equipment, glassware or watches)
• Gypsum used to make wallboard, cement, stucco
• Talc talcum powder
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• Ore – a rock that contains a metal or other useful mineral that can be mined and sold at a profit.
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• Prospecting – A prospector searches (prospects) for an ore deposit.– Geologists are ore prospectors
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• Three Mine Types:
• Strip
• Open pit
• Shaft
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Strip Mines
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Open Pit Mines
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Shaft Mining
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