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10 Cards in this Set
- Front
- Back
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intrusive
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grained igneous rock that cools slowly in earth's surface.
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extrusive
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fine grain rock that cool's slowly on top of earth's surface.
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mafic
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such as gabbo, dark colored and are low in silica content
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ultramafic
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low silica content and high levels of iron
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felsic
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such as granite, light colored and is high in silica
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pegmatites
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veins of extremely large-grained materials
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kimberlites
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ultramafic rock
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porphyroblasts
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large crystals of new metamorphic materials
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Name 3 things about minerals
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1. they accur naturally
2. have definite chemical formula 3. Having definite arangement of atoms called crystal shape |
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Name 3 things about rocks
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1. made of minerals
2. No definite chemical formula 3. could be made by or the result of living organisms |
