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Java Games: Flashcards, matching, concentration, and word search. |
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Minerals Chapter 3 Section3
The Formation, Mining, and Use of Minerals
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| ore | a natural material whose concentration of economically valuable minerals is high enough for the material to be mined profitably |
| reclamation | the process of returning land to its original condition after mining is completed |
| types of surface mines | open pits, surface coal mines, and quarries |
| metallic minerals | have shiny surfaces, good conductors of heat and electricity, do not let light pass through them, and can be processed into metals that are strong and do not rust |
| nonmetallic minerals | have shiny/dull surfaces, lets light pass through them, and are good insulators of electricity |
| gemstones | are highly valued because of their beauty and rarity, color is the most important characteristic, and are also durable |
| surface mining | removes minerals located at or near the surface of the earth |
| subsurface mining | removes minerals that are located deep within the earth |
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Earth Science/Exceptional Ed teacher |
Godwin High School |
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