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Q: What is the igneous rock that is dense and dark colored and forms from magma that is rich in iron and magnesium but poor in silica That has 8 letters?
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Related questions

What rock in the igneous family are medium colored and have no silica?

Igneous rocks that are medium colored and have no silica are called mafic rocks. They are mainly composed of magnesium and iron.


Igneous rocks that are dense and dark colored they form from magma that is rich in iron and magnesium and poor in silica?

Igneous rocks that are dense and dark-colored are called basaltic rocks. They are formed from magma that is rich in iron and magnesium and poor in silica content.


In general how does the density of a light colored igneous rock differ from that of a dark colored igneous rock?

Light-coloured igneous rocks, such as granite, have a higher silica content and lower iron and magnesium than darker ones, such as basalt. Since iron and magnesium are very dense minerals, this makes darker igneous rocks more dense than lighter ones.


What is a dark colored low silica rock?

Mafic igneous rocks, like basalt, are dark colored and low in silica.


What is a dark-colored low silica rock?

Mafic igneous rocks, like basalt, are dark colored and low in silica.


What is a dark colored rock?

Mafic igneous rocks, like basalt, are dark colored and low in silica.


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

Andesite


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

majority


Are igneous rocks like gabbro and basalt silica-deficient with high magnesium and iron?

Yes.


What are igeous rocks that are light colored and have a lower density they form from thick stuff magma that contains lots of silica and lesser amounts of iron and magnesium?

Those igneous rocks would be referred to as felsic.


What are light colored often intrusive igneous rocks containing a high percentage of silica called?

They are called felsic igneous rocks.


What is composition of acidic igneous rocks?

Acidic igneous rocks, also known as felsic rocks, are composed primarily of light-colored minerals such as quartz, feldspar, and mica. These rocks have a high silica content and typically have a lower iron and magnesium content compared to mafic rocks. Examples of acidic igneous rocks include granite and rhyolite.