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Magma doesn't produce lava. Magma is lava. Magma is called magma when it is under the ground but when it is released via a volcano it is called lava when it is above ground. The magma or lava can produce dark to light color rocks after it cools depending on the composition of the magma or lava. There is also a range in the color of the lava depending on it composition and temperature also.
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What rock forms from light-colored lava?
Rhyolite is a common rock that forms from light-colored lava. It is composed mainly of silica-rich minerals such as quartz and feldspar, giving it a light color. Rhyolite has a fine-grained texture and often contains small crystals.
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.
Is and igneous rock low in silica dark colored or light colored?
Generally, igneous rocks that are low in silica are dark relative to those that are high in silica. This tendency is largely the result of rocks low in silica having increased iron. Iron minerals tend to adsorb significant amounts of the visible spectrum and hence appear dark. I want to emphasize that this is a general tendency and there are exeptions -- obsidian which is very high in silica is typically a dark to black rock and a special igneous rock call carbonatite is very light in color but has little silica.
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.
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 rock forms from light-colored lava?
Rhyolite is a common rock that forms from light-colored lava. It is composed mainly of silica-rich minerals such as quartz and feldspar, giving it a light color. Rhyolite has a fine-grained texture and often contains small crystals.
What is the difference in silica content and viscosity between light color 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
What forms from light colored lava?
The rock that is formed from light-colored lave is called rhyolite.
What is a light colored rock with a high silica content?
A light-colored rock with high silica content is likely to be quartz. Quartz is a common mineral that is made up of silicon and oxygen atoms. It can vary in color but is commonly found in light shades such as white or clear.
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 rock forms light colored lava?
The rock that is formed from light-colored lave is called rhyolite.
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.
When silica is in a rock does it make it lighter or darker?
Generally, igneous rocks with more silica are lighter in color.
What is light colored ofrten intrusive igneous rock containing a high percentage of silica are called?
felsic
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.
