LB is an abreviation for the weight measurement of .453 kilograms at 1 G (more comonly known as a "pound"). SiO2 is silicon dioxide, otherwise known as "sand". Put'em together and see whatcha'got
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In SiO2, silicon has a charge of +4 while oxygen has a charge of -2. This results in a neutral overall charge for the compound SiO2.
No, it is not.
A mixture of dacite (65wt% SiO2) and basaltic andesite (53wt% SiO2).
"lb" is an abbreviation for "pound," which is a unit of weight used in the imperial system of measurement. It is commonly used in the United States.
Magma with a high SiO2 content is referred to as felsic magma. It is typically associated with explosive volcanic eruptions due to its high viscosity and tendency to trap gases, leading to pressure build-up. Felsic magmas often produce lava flows rich in light-colored minerals like quartz and feldspar.