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25 Cards in this Set
- Front
- Back
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Luster |
The way light reflects off a crystal. |
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Hardness |
How easy a mineral can be scratched. |
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Cleavage |
Splits easily and evenly along 1 or more plane |
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Streak |
Color of mineral when Brocken up. |
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Texture |
How a mineral feels to the touch. |
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Clastic |
When the rock is broken. |
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Lithification |
Physical and chemical changes to a rock that transform it from a sediment to a sedimentary rock. |
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Compaction |
Squeezes water out. |
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Cementation |
Minerals cement together. |
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Intrusive |
Mineral made inside the Earth. |
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Extrusive |
Mineral made outside the Earth. |
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Metamorphism |
When high temp. and pressure occur and change the texture or the composition of a rock without melting it. |
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Mafic |
Dark colored rock. |
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Felsic |
Light colored rock. |
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Foliated |
Layered |
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Non-Foliated |
Non layered |
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Porosity |
The percentage of open space in between rocks and grains. |
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Vesicular |
When the rock has a spongy texture. |
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Magma |
Molten material inside the Earth |
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Lava |
When magma flows outside of the Earths surface |
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Name some metamorphic rocks and what they used to be. |
Slate<-------Shale Gneiss<----Granite Marble<----Limestone |
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What's the difference between conglomerate and breccia? |
Conglomerate-rounded, gravel sized particles. Breccia-angular, gravel sized particles. |
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What are the characteristics of minerals? |
Color-color of the mineral Streak-color of mineral when broken up. Luster-how the mineral reflects light Texture-how the mineral feels Hardness-how hard it is to scratch the mineral. |
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How does cooling rate effect crystal size? |
Rapid cooling-smaller crystals. Slow cooling- large crystals. |
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