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Silica is plentiful in many fibrous foods such as celery, peppers, carrots, potatoes, unrefined grains and cereals and beets. Silica is found in hemp leaves, nettles leaves and horesetail (tremendous source). Other herbal sources of silicon include alfalfa, blue cohosh, chickweed, cornsilk, dandelion, horsetail, red raspberry, Alfafla, Oat straw and stinging nettle. And, don't forget that Silica is also found in the shiny fruits and veggies such as red peppers, tomatoes and cucumbers
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Silica is a natural element found within the Earth's crust. There are several different types of it. Silica gets inside magma when a volcano forms. During the formation, the m…agma from deep inside the Earth pushes its way up to the surface. As it progresses upward, it passes through the continental crust, or layer of crust below Earth's continents. Silica is abundant in that area. While the magma is in the continental crust, even if only for a little while, it mixes with the silica. Some parts of the continental crust aren't quite as plentiful in silica as others. Depending on the amount of silica mixed with the magma, the magma can become 'silica-rich', or have sufficient amounts of silica. This lavish amount of silica in the magma makes the magma thick and pasty. Then, when the volcano goes to erupt, the magma gets stuck in the caldera, or crater hole in the top of the volcano, because of its thickness. Pressure builds up behind the plugged exit, as more gas and magma yearns to escape. Eventually, this pressure builds up SO much that the magma cork gives way, allowing all the gases and lava to burst out of the volcano in a GIGANTIC eruption. This is why an explosive eruption has so much smoke, from the gas build-up inside of the volcano. Quiet eruptions don't because there is no gas pressure to stop the thin magma from leaking out of the hot spot/volcano. In conclusion, silica creates a thick magma. This results in a plugged caldera. Gas pressure within the volcano then builds up because of the thick magma cork. When the cork gives way, a HUGE eruption results, releasing all the gases and smoke. Hope that this explanation helped!
silica is a rich compound consisting of silicon and oxygen and tends to be thicker and is more resistant to flow. other lava with less silica flows easily so the amount of wat…er vapor and other gases trapped in lava influences how lava erupts.
This is because silica-rich magma is thicker. The thicker the magma, the chance for the dissolved gas in there to escape is less likely. This causes an explosion. When the gas…es do escape, they cause an even bigger explosion
Silica rich is more explosive and silica poor is less explosive. I♥JustinBieberforeve♥
no its the least silica rich of granitic and andesitic magma.
Calcite does not contain any silica. It is a carbonate mineral.
Andesitic magma has an intermediate amount of silica; it is in between silica rich and silica poor.
Rhyolite is felsic and thus silica rich.
red or scarlet
No. Scoria is relatively silica poor.
Silica-rich magma is more viscous than lower-silica magma and tends to have a higher gas content. The gas, trapped under pressure, expands violently when it nears the surf…ace.