Number the following igneous rock types according to how mafic they are, with 1 being the least mafic (most felsic) and 4 being the most mafic. A. Andesite. B. Basalt. C. Peridotite. D. Rhyolite.

1) Rhyolite  2) Andesite  3) Basalt  4) Peridotite

Explanation:

Mafic rocks are rocks rich in the heavier elements such as Magnesium and iron. They are usually dark in color. Common examples of Mafic rocks are Basalt and Gabro.

Felsic rocks on the other hand are rocks rich in the lighter elements such as Silicon, Aluminium and Potassium. They are lighter in color compared to mafic rocks. Felsic rocks are rich in minerals that are deficient in mafic rocks and vice versa. Examples of Felsic rocks are quartz, feldspars e.t.c.

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