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Rock Cycle 2014
| Nonfoliated | A class of metamorphic rocks that are characterized by minerals that form with blocky crystal shapes. |
| Igneous | Rocks that are formed from cooled lava or magma and minerals that crystalize. |
| Rock Cycle | Also called the geological cycle. A series of events in which a rock of one type is converted to one or more other types and then eventually back to the original type. |
| Clastic | Sedimentary rocks that are formed from abundant deposits of lose sediments that accumulate on the Earth's surface. |
| Mineral | Any of a class of naturally occurring solid inorganic substances with a characteristic crystalline form and a homogeneous chemical deposition. |
| Extrusive | Igneous rocks that are formed when lava on the surface of the earth cools rapidly not allowing large crystals to grow, |
| Intrusive | Igneous rocks that are formed when magma below the surface of the earth is able to cool slowly and allows large crystal grains to grow. |
| Organic Rock | Rocks that contain large amounts of carbon that came from matter that was once living. |
| Sedimentary | Rocks formed when sediment is deposited and becomes tightly compacted. Depending on the origin of the sediments they contain, sedimentary rocks can be classified into different groups. |
| Foliated | A class of metamorphic rocks that is characterized by layers and bands of minerals that are formed perpendicular to the pressure applied to the rock. |
| Weathering | Any of the chemical or mechanical processes by which rocks exposed to the weather undergo changes character and break down. |
| Cementation | Mineral growth that glues sediment grains together into solid rock. |
| Evaporites | Layers of chemical sedimentary rocks that form when sediments precipitate out of water that is saturated with that mineral. |
| Conglomerate | Coarse graned sedimentary rocks whose constituent grains have been rounded from the erosion that occurred. |
| Breccia | Coarse grained sedimentary rocks who constituent grains are angular, with sharp points that were not worn down from erosion. |
| Lithification | The process by which loose mineral fragments or particles of sand are solidified into stone. |
| Erosion | The wearing away and transportation of rocks and other deposits on the earth's surface by the action of water, ice, or wind. |
| Metamorphic | Rocks are formed when igneous, sedimentary, or other metamorphic rocks undergo a physical change due to extreme heat and pressure. These changes often produce folded layers or banding in the rocks, and they can cause pockets of precious minerals. |
| Deposition | The accumulation or laying down of matter by a natural processes, as the laying down of sediments in a river. |
| Crystallization | A rock formed by the solidification of a substance; has regularly repeating internal structure; external plane faces. |
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kkiebler
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