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A light colored igneous rock with silica content and explosive eruptions?

The rock is likely rhyolite, which is a light-colored igneous rock with high silica content. Rhyolitic magma is viscous and tends to trap gas, leading to explosive eruptions with ash and pyroclastic flows. The high silica content of rhyolite contributes to its light color and explosive nature.


What is a light colored rock that has high silica?

A light-colored rock that has high silica content is likely to be granite. Granite is a common igneous rock composed mainly of quartz, feldspar, and mica, and is known for its high silica content and light color.


Granite jigneous rocks are light-colored lower in density thank basltic rock and high in silica content?

Yes


When silica is in a rock does it make it lighter or darker?

Generally, igneous rocks with more silica are lighter in color.


What term is used to describe magma that is rich in feldspars and silica?

Felsic magma. This type of magma is viscous with high silica content, resulting in explosive eruptions and the formation of light-colored rocks.


What is the difference in silica content and viscosity between light-colored and dark-colored magma?

The lower the viscosity is the hotter the magma is and faster it flows.Higher the viscosity is the cooler it is and slower it flows down.


What is the rock that has high silica and light colored other than granite?

quartzite


What is A light colored igneous rock with high silica context explosive eruptions?

majority


Does dark colored rock with low silica content describe granite?

Granite is a silicate because it contains 70-77% silica (SiO2). Granite is a rock, and silica is mineral containing the chemical elements silicon (Si) and oxygen (O). Si and O chemically combine to form SiO2. Rocks are made up of minerals, which are made up of chemical elements. Because silicon and oxygen are the two most common chemical elements in the Earth's crust, silicate rocks are very common.


What is light colored ofrten intrusive igneous rock containing a high percentage of silica are called?

felsic


What is the difference between felsic intermediate and mafic igneous rocks?

Silica content increases from mafic to felsic, and Mg and Fe content decreases. These differences affect things such as viscosity, density and colour. Felsic magmas are the most viscous and least dense, and felsic rocks are the lightest in colour.


Is rhyolite high in silica?

Yes, rhyolite is high in silica. It is a volcanic rock with silica content of around 70% or more. This high silica content contributes to its high viscosity and explosive nature during volcanic eruptions.