Chemistry, 04.02.2020 20:52, barbie1salome

Acertain igneous rock contains about 25 percent dark silicate minerals. the remainder of the rock is mostly calcium rich plagioclase feldspar. what type of composition does this igneous rock have?

a. granitic

b. basaltic

c. andesitic

d. ultramafic

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Acertain igneous rock contains about 25 percent dark silicate minerals. the remainder of the rock is...