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Darya [45]
4 years ago
9

In general how does the characteristic mineral composition of a light colored igneous rock differ from that of a dark colored ro

ck
Geography
1 answer:
katovenus [111]4 years ago
4 0

Light colored igneous rock is called felsic, it  is high in quartz, muscovite mica, and orthoclase feldspar content.  Dark colored igneous rock is called mafic, and contains a lesser amount of silica along with olivine, pyroxene, amphibole, biotite mica, and plagioclase feldspa

<span>Light coloured igneous rocks (felsic) tend to have greater silica and aluminum content and a lower iron and magnesium content than dark (mafic) rocks.</span>
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