Which Type Of Igneous Rock Would Contain The Most Silica?
Which Type Of Igneous Rock Would Contain The Most Silica? Felsic igneous rocks are silica rich and contain abundant potassium feldspar and quartz. Felsic igneous rocks are light in color. Mafic igneous rocks are iron and magnesium rich and contain abundant pyroxene, and calcium rich plagioclase feldspar. Which rock type has the highest SiO2 silica