ES 6.2
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18 terms
Italian | English |
|---|---|
 felsic | Describes magma or igneous rock that is rich in feldspars and silica and that is generally light in color. |
| mafic | describes magma or igneous rock that is rich in magnesium and iron and that is generally dark in color |
| pluton | large mass of intrusive igneous rock believed to have solidified deep within the earth |
| batholith | Extra large mass of intrusive igneous rock believed to have solidified deep within the earth |
| basalt | the commonest type of solidified lava |
| rhyolite | very acidic volcanic rock |
| granite | plutonic igneous rock having visibly crystalline texture |
| obsidian | A usually black or banded, hard volcanic glass that displays shiny, curved surfaces when fractured and is formed by rapid cooling of lava |
| pumice | a light glass formed on the surface of some lavas |
| Gabbro | A rock: igneous, high in dark silicates, and with coarse-grained texture. |
| diorite | a granular crystalline intrusive rock |
| Laccolith | when magma pushes up the earth's surface and cools forming a dome |
| sill | (geology) a flat (usually horizontal) mass of igneous rock between two layers of older sedimentary rock |
| stock | The part of the batholith that reaches the surface |
| batholith | large mass of intrusive igneous rock believed to have solidified deep within the earth |
| volcanic neck | a deposit of hardened magma in a volcano's pipe |
| dike | a slab of volcanic rock formed when magma forces itself across rock layers |
| volcano | a fissure in the earth's crust (or in the surface of some other planet) through which molten lava and gases erupt |
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