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Unformatted text preview: bury sedimentary rock deep enough, high pressure that causes it to melt & change to igneous crystalline - quartz crystal, bartype(?) metamorphic rock - stress chemicals of sedimentary/igneous rocks changes mineral composition igneous rocks chanes mineral composition causes stress by increased heat & pressure (no melting) mountains forming, etc Importance of Rocks/Minerals building blocks of Earth various, modern economic uses clues for history of Earth learn about better management of Earth's resources important to health (minerals) Mineral Properties Mineral Definitive Properties made of elements or chemical compounds...
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- Fall '11