WebMagmas with higher silica concentration are more viscous, and thus move slower than magmas with less silica. Where tectonic plates come together, volcanoes often have thicker, viscous magma with high gas content. This combination is explosive because the gases cannot easily boil out. WebSilica (SiO2) content has the greatest impact on magma viscosity. Most igneous rocks are made predominately of silica with concentrations ranging from about 45 to 78% by weight. Specifically, silica is arranged in tetrahedrons (Si04 complexes). Silica tetrahedrons can share oxygen atoms to form chains or networks in a melt.
What 3 factors affect the viscosity of magma? - KnowledgeBurrow
WebJul 25, 2024 · How does silica affect viscosity? 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). How are silica content and viscosity related? WebApr 4, 2024 · How does silica affect magma temperature? Viscosity of magma, the resistance to flow depends on composition of the magma and temperature. Higher silica content means higher viscosity. But lower temperatures and low gas content mean higher viscosity. Hence, lower viscosity and low gas content mean higher temperature of magma. how do i bypass hp instant ink on my printer
How Does Silica Content Affect The Viscosity Of Magma
WebThe more extensive silicate chain molecules render these magmas highly viscous, so when eruption occurs it is usually explosive (e.g. Mt St Helens). Low-silica magmas are typically … WebJan 1, 1999 · The net effect of liquid magma composition and water content on the behavior of explosive volcanic eruptions was investigated by the use of numerical simulation. ... It is well-known paper we simply focus on the behavior of 6 simulations that a silica-rich magma has a viscosity greater than a identified by the capital letters A-F and by the ... WebMar 2, 2016 · Explanation: Viscosity of magma, the resistance to flow depends on composition of the magma and temperature. Higher silica content means higher viscosity. But lower temperatures and low gas content mean higher viscosity. Hence, lower viscosity and low gas content mean higher temperature of magma. Answer link. how do i bypass hp ink cartridges