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Chapter 3: Rocks
Vocabulary
| Term | Definition |
|---|---|
| BASALTIC | Igneous rocks that are dark-colored and dense. |
| CEMENTATION | When water and other minerals move through open spaces between larger sediments, gluing them together. |
| COMPACTION | When layers of small sediments stick together because of pressure. |
| EXTRUSIVE | Igneous rocks that form at or near the Earth's surface. |
| FOLIATED | Metamorphic rocks whose mineral grains flatten and line up in parallel layers or bands. |
| GRANITIC | Igneous rocks that are a lower density and a lighter color. |
| IGNEOUS ROCK | One of the 3 main types of rock that forms from magma found deep under Earth's surface. |
| INTRUSIVE | Igneous rocks that form under the Earth's surface. |
| LAVA | Magma reaching the surface that flows from a volcano. |
| METAMORPHIC ROCK | One of the 3 main types of rock who are changed by temperature, pressure, and hot fluids. |
| NONFOLIATED | Metamorphic rock whose mineral grains grow and rearrange, but do not form layers. |
| ROCK | Mixture of minerals, volcanic glass, organic matter, or other material. |
| ROCK CYCLE | Model showing processes that create and change rock. |
| SEDIMENT | Rock fragments, mineral grains, and bits of plants and animal remains moved by wind, water, ice or gravity. |
| SEDIMENTARY ROCK | One of the 3 types of rock that are found mostly on the exposed surfaces of Earth. |