Term
| Igneous rock that cools very quickly may form this kind of texture |
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Definition
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Term
| Igneous rock that forms from the cooling of magma. |
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Definition
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Term
| Igneous Rock that formed from lava. |
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Definition
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Term
| The most abundant intrusive rock in earth's crust. |
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Definition
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Term
| How are igneous rocks classified? |
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Definition
| By origin, texture and mineral composition |
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Term
| What are two common uses of igneous rocks? |
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Definition
| Building materials, cleaning, making tools, jewelry |
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Term
| What characteristics make igneous rocks useful? |
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Definition
| They are hard, dense, durable. |
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Term
| Describe the characteristics granite. |
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Definition
| It's intrusive igneous, has a coarse grained texture. It's makes up most of our continental crust. It's used in building materials and sculptures. |
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Term
| Describe the characteristics basalt. |
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Definition
| Basalt is extrusive rock made from cooled lava. It has a fine grained texture. It makes up most of Earth's oceanic crust. It is also used to make gravel |
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Term
| Describe the characteristics of obsidian. |
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Definition
| It is extrusive rock. It has a glassy texture and is used for making tools and jewelry. |
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Term
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Definition
| A material found in magma that is formed from the elements oxygen and silicon |
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