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What Type Of Rocks Have Silica?

January 24, 2024 by Rebecca Patel

What Type Of Rocks Have Silica? Igneous rocks are formed by the crystallisation of a magma. The difference between granites and basalts is in silica content and their rates of cooling. A basalt is about 53% SiO2, whereas granite is 73%. What are high silica rocks? Most igneous rocks contain between 45 and 65 wt%

Which Type Of Igneous Rock Would Contain The Most Silica?

January 24, 2024 by Emily Lee

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