TeachMeFinance.com - explain Silica
Silica The term 'Silica' as it applies to the area of volcanos can be defined as 'The molecule formed of silicon and oxygen (SiO2) that is the basic building block of volcanic rocks and the most important factor controlling the fluidity of magma. The higher a magma's silica content, the greater its viscosity or 'stickiness.''.
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