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Is rhyolite silica rich or silica poor?
Rhyolite is silica-rich, containing over 70% silica. It is an extrusive igneous rock with a fine-grained texture that forms from the rapid cooling of magma rich in silica content.
What is Krakatoa a silica rich or a silica poor?
Krakatoa is silica-rich, meaning it contains a high amount of silicon dioxide (silica) in its composition. This high silica content is associated with explosive volcanic eruptions due to the interaction between silica and magma.
Silica-rich magma erupts from the shield volcanoes giving them there broad flat shape?
False. The magma of shield volcanoes is silica-poor.
What kind of lava is silica poor?
Silica-poor lava is called mafic lava. It is low in silica content and high in iron and magnesium, which makes it less viscous and more fluid compared to silica-rich lava. Mafic lava typically erupts at higher temperatures and flows more rapidly, resulting in the formation of basaltic rocks.
What magma is rich in feldspars and silica?
no its the least silica rich of granitic and andesitic magma.
Would you expect a light gray igneous rock to be rich or poor in silica?
I would expect a light gray igneous rock to be rich in silica. Light gray color in igneous rocks is often associated with high silica content, which is typical of felsic or granitic compositions.
What type of magma does arenal have?
Ithink there is not different types of lava This answer is retarded because there is silica rich and silica poor magma^^ some people are not that smart
The fossilizing process that replaces organic matter with silica or calcite is?
The fossilizing process that replaces organic matter with silica or calcite is called permineralization. In this process, minerals such as silica or calcite fill in the pore spaces of the original organic material, creating a fossil with fine details preserved.
Is scoria rich in silica?
Scoria typically contains high amounts of silica due to volcanic origins. It is formed from rapidly cooling lava with high viscosity, leading to the retention of silica in its composition.
Was krakatau's erupted by lava rich in silica or lava low in silica?
lava rich in silica
What are the subgrops of sponges?
calcarea - have calcite spicules, often have calcite exoskeletons glass sponges - silica spicules, no exoskeleton demosponges - silica spicules, may have exoskeleton, made of aragonite if present
Why does sandstones cemented by calcite (limestone )weather faster than those cemented by silica?
Sandstones cemented by calcite (limestone) weather faster than those cemented by silica because calcite is more soluble in water than silica. When exposed to water and carbon dioxide, calcite dissolves more easily, weakening the cement that binds the sand grains together. Silica cement is more resistant to dissolution, making it more durable in weathering processes.
