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Mr. Biando's Lab
Mr. Biando's Lab - Minerals: Formation, mining, use.
| Question | Answer |
|---|---|
| When changes in pressure, temperature, or chemical make-up alter a rock. | Formation |
| Surface water and ground water carry and deposit dissolved minerals and crystalize on the bottom. | Limestones |
| Groundwater is heated by underground magma, dissolved metals and other elements crystalize. | Hot-water solutions |
| Teardrop-shaped mineral bodies formed by magma. | Pegmatites |
| Magma deposits that crystalize underground. | Plutons |
| Mineral deposits that are caused by underground pressure, temperature, or chemical aleration. | Metamorphic rocks |
| Minerals that form when salt water evaporates. | gypsium and halite |
| A natural mineral whose concentration of economically valuable minerals is high enough to mine. | ore |
| A method of escavating minerals through open pits and quarries. | Surface mining |
| A method of escavating minerals from deep within the earth. | Subsurface mining. |
| The process of returning mined land to its original condition. | Reclamation |
| Minerals that are valued for their beauty and rarity. | Gemstones |
| Minerals that are used in making automobiles, aircraft,and electronic equipment. | metallic minerals |
| Minerals that are used in industry and construction. | nonmetallic minerals |