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7 Cards in this Set
- Front
- Back
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what are the landfroms associated with igneous rock formation?
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1.batholith-intrusive
2.dikes-intrusive 3.sills-intrusive 4.laccolith-intrusive 5.flows-extrusive 6.volcanoes-extrusive |
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what are the four composition of igneous rocks?
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1.ultramafic
2.mafic 3.intermediate 4.felsic |
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what is the ultramafic igneous rock?
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its very low in silica(SiO2)
very high in MgO and FeO |
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what is the mafic igneous rock?
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low in silica
high in MgO and FeO |
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what is the intermediate igneous rock?
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high in silica
low in MgO and FeO |
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what is the felsic igneous rock?
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very high in silica
very low in MgO and FeO |
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WHAT IS TEXTURE?
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IT REFERS TO THE SIZE ,SHAPE ,AND ARRANGEMENT OF CRYSTALS.
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