Identify one characteristic that could be used to determine if the intrusive igneous rock has a mafic composition or a felsic composition.

There a lot of possible answers for this question. As shown in the image, we can infer one of the following characteristics that could be used to determine if an intrusive igneous rock has a mafic composition:

- color/light color/dark color
- density/low density/high density
- mineral composition
- rich in Al, Si, or rich in Fe, Mg
- presence/absence of quartz/potassium feldspar/pyroxene/olivine

Answer( solar wind );

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