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ch. 4 rock vocab
| Term | Definition |
|---|---|
| Rock | the solid mineral material forming part of the surface of the earth and other similar planets, exposed on the surface or underlying the soil or oceans. |
| Erosion | the gradual destruction or diminution of something. |
| Deposition | the process of giving sworn evidence. |
| composition | the nature of something's ingredients or constituents; the way in which a whole or mixture is made up. |
| texture | the feel, appearance, or consistency of a surface or a substance. |
| strata | layers of rock |
| stratification | the process in which sedimentary rocks are arranged in layers |
| foliated | the texture of metamorphic rock in which the mineral grains are arranged in planes or bands. |
| Non-foliated | the texture of metamorphic rock in which the mineral grains are not arranged in planes or bands |
| Recrystallization | the process in which grains of a crystal structure come in new structure or new crystal shape. |
| Deformation | the action or process of changing in shape or distorting, especially through the application of pressure. |
| intrusive igneous | formed through the cooling and solidification of magma or lava. |
| Extrusive igneous | form when magma reaches the Earth's surface a volcano and cools quickly. |
| Metamorphism | alteration of the composition or structure of a rock by heat, pressure, or other natural agency. |
| Regional metamorphism | metamorphism affecting rocks over an extensive area as a result of the large-scale action of heat and pressure |
| contact metamorphism | metamorphism due to contact with or proximity to an igneous intrusion. |