-The magma that is high in silica usually forms light-colored rocks such as granite. -the lava that is low in silica usually forms in dark-colored rocks such as basalt.
The majority of minerals associated with igneous rocks are silicates. It is the proportion of certain silicate minerals that affects the color of igneous rocks. Igneous rocks that are high in...
It determines high silica or low silica. It will determine if it is sticky or not, or if it flows fast or slow. *high in silica~Sticky, and slow. Will not flow easily. *low in silica~Fact, not...