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Chapter 5 Vocab
Vocab
| Term | Definition |
|---|---|
| Lava | Magma that flows out into Earth's surface |
| Igneous rocks | Intrusive or extrusive rock formed from the cooling and crystallization of magma or lava |
| Partial Melting | Process on which different minerals mely into magma at different temperatures chaniging its composition |
| Bowen's reaction series | Sequential predictable dual-branched pattern in which minerals crystallize from cooling magma |
| Fractional Crystallization | Process in which different minerals crystallize from magma at different teperatures removing elemnts from magma |
| Intrusive Rocks | Coarse-grained igneous rocks that is formed when molten rock cools slowly and solidifies inside earth's crust |
| Extrusive Rocks | Fine grained igneous rock that is formed when molten rock cools quickly and solidifies on earth's surfaces |
| Basaltic Rocks | Rock that is dark colored has lower silica contents and is rock in iron and magnesium contains mostly plagioclase and pyroxene |
| Granitic Rocks | Light colored rock that has high silica content and contains quartz and potassium feldspar |
| Texture | The size shape and distribution of the crystals or grains that make up a rock |
| Porphyritic Texture | Rock texture characterized by large well formed crystals surrounded by finer grained crystals of the smae or different mineral |
| Vesicular Texture | |
| Pegmatites | |
| Kimberlites |