Chart Complete the chart below (A-K), listing the common minerals that occur in

Question

Chart Complete the chart below (A-K), listing the common minerals that occur in igneous rocks for each composition. The Figure in your Lab Manual reading should be helpful. A, F, and J have been done for you. Rocks Intrusive Composition Common Elements Minerals which bond to form which combine to form Extrusive This rock is UltramaficMg Green A. E. Olivine Pvroxene List at least 2 minerals don't study it. Also Si, O Fe Mg B. F. Gabbro List at least 2 minerals Also si, O si, o Intermediate Also Fe, Mg. Ca, Na, K Gray, or Black C. G. . Andesite List at least 2 minerals s1, 0 Also Na, K Felsic Pink, White, D. H. K. List at least 2 minerals

Explanation / Answer

B. Plagioclase Felspar(>90%) + Olivine + Pyroxene + Quartz(<5%)

C. Quartz + Plagioclase Felspar + Pyroxene

D. Quartz + Potassic Feldspar (+-) Biotite

E. Peridotite (intrusive)

G. Diorite (intrusive)

I. Basalt (extrusive)

H. Granite (intrusive)

K. Rhyolite (extrusive)

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