What is silicic magmas?
Score: 4.3/5 (19 votes) Describes magma that contains more than ~63 percent silica and is generally viscous, gas-rich, and tends to erupt explosively. Includes rhyolite and dacite.How is silicic magma formed?Silicic magma (SiO2 > 60 wt. %) on Earth is produced by differentiation (fractional cryst...