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Mafic is a silicate mineral or rock that is rich in magnesium and iron, and is usually dark in color. It is formed from cooling volcanic lava.
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Is olivine mafic or felsic?
Olivine is a mafic mineral. It is most abundant in ultramafic rocks.
Are mafic rocks solely intrusive or extrusive?
No. The terms felsic and mafic refers to the relative content of certain minerals in the magma or rock. A mafic rock can be extrusive like basalt, or intrusive like gabbro. Basalt and gabbro can be identical in chemical composition.
Is granite mafic?
No, granite is not considered mafic. It is an igneous rock that is classified as felsic due to its high silica content and lower concentration of iron and magnesium minerals compared to mafic rocks like basalt.
Mafic mineral low or high density?
Mafic minerals generally have a relatively high density compared to felsic minerals. This is because mafic minerals are rich in iron and magnesium, which are denser elements. As a result, rocks rich in mafic minerals like basalt and gabbro tend to be heavier and denser than rocks composed of felsic minerals like granite.
Is the mt paricutin volcanoes magma mafic intermediate or felsic?
Like most cinder cones Paricutin was fed by mafic magma.
What is the difference between felid and mafic?
Felsic rocks have 0-15% mafic crystals, while mafic rocks have 46-85% mafic crystals.
This type of magma has low silica content?
Mafic magma has low silica content. It is usually rich in magnesium and iron, leading to its high density and fluid-like behavior. Mafic magmas tend to form basaltic rocks when they solidify.
Why are mafic rocks denser than felsic rocks?
Mafic rocks have higher concentrations of dense minerals like iron and magnesium compared to felsic rocks, which are rich in lighter minerals like quartz and feldspar. This difference in mineral composition contributes to the higher density of mafic rocks.
Is the oceanic crust felsic or mafic?
Oceanic crust is mafic.
How do you get hot head in aqw?
It drops from the Mafic Dragon in Mafic.
Does mafic lava trap gasses?
glass is not an option in mafic
Do cinder cones erupt felsic or mafic lava?
Composite volcanoes can erupt both mafic and felsic material, but intermediate material is the most common.
