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24 Cards in this Set
- Front
- Back
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Mineral
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Naturally occuring solir that can form by inorganic processes and that has a crystal structure and a definite chemical composition
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Characteristic Properties
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Color, streak, luster, hardness, density, crystal structure, cleavage, fracture, and special properties
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Geode
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Rounded, hollow rock that is often lijed with mineral crystals
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Crystallization
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Process by which the atoms are arranged to form a material that has a crystal structure
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Rock-forming minerals
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20 minerals that make up most of the earth's crust
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Granite
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Rock that is light colored because of high silica content
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Basalt
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Rock that is dark colored because of low silica content
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Grains
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Particles of rocks or minerals
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Texture
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Given by grain
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Three groups of rocks
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Igneous, sedimentary, and metamorphic
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Extrustive Rock
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Igneous rock formed by lava that erupted onto the earths surface
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Weathering
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The affects of freezing and thawing
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Deposition
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Process by which sediment settles out of the water or wind carrying it
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Deposition
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Process by which running water, wind, or ice carry away bits of broken rock
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Cementation
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Process in which dissolved minerals crystallize and glue particles of sediment together
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Three magor groups of sedimentary rock
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Clastic, Organic, Chemical
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Clastic Rock
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Formed when rock fragments are squeezed together
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Organic Rock
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Forms where the remains of plants snd animals are deposited into layers
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Chemical Rock
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Forms when minerals dissolved in water solution crystallize
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Metamorphic Rock
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Forms from another rock as a result of changes in heat or pressure (or both)
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Rock Cycle
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Series of processes that occur on earths surface and in the crust and mantle that slowly change rocks from one kind to another
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Fossil Fuels
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Energy rich substances formed from organisms that lived hundreds of millions of years ago
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Petroleum
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Another name for oil, a thick, black, liquid fossil fuel
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Petrochemicals
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Compounds that are made from oil
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