| A | B |
|---|
| composition | the chemical makeup of rock; describes either the minerals or other materials in the rock |
| deposition | the process in which material is laid down |
| erosion | the process by which wind, water, ice, or gravity transports soil and sediment from one location to another |
| extrusive igneous rock | rock that forms as a result of volcanic activity at or near the Earth's surface |
| foliated | describes the texture of metamorphic rock in which the mineral grains are arranged in planes or bands |
| intrusive igneous rock | rock formed from the cooling and solidification of magma beneath the Earth's surface |
| nonfoliated | describes the texture of metamorphic rock in which the mineral grains are not arranged in planes or bands |
| rock | a naturally occuring solid mixture of one or minerals or organic matter |
| rock cycle | the series of processes in which a rock forms, changes from one type to another, is destroyed, and forms again by geological processes |
| strata | layers of rock |
| stratification | the process in which sedimentary rocks are arranged in layers |
| texture | the quality of a rock that is based on the sizes, shapes, and positions of rock's grains |
