What Are The Factors Affects Magmas Viscosity?
What Are The Factors Affects Magmas Viscosity? Viscosity is the resistance to flow (opposite of fluidity). Viscosity depends on primarily on the composition of the magma, and temperature. Higher SiO2 (silica) content magmas have higher viscosity than lower SiO2 content magmas (viscosity increases with increasing SiO2 concentration in the magma). What are the two major