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4 Cards in this Set
- Front
- Back
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GRAIN SIZE
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fine grained - aphanitic - can’t see by naked eye
coarse grained - phaneritic - can see by naked eye mixed grain size - porphyritic - porphyry Phenocrysts – the large grains ground mass or matrix - the fine material |
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PLUTON
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A large igneous rock body that has cooled beneath the surface of the Earth
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BOWEN'S REACTION SERIES
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Series of chemical reactions that take place in silicate magmas as they cool
First investigated in the 1920s and 1930s by N. L. Bowen Important experiments that help us understand the evolution of magmas |
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VISCOSITY
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silica controls viscosity and therefore flow
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