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Olivine is a mafic mineral. It is most abundant in ultramafic rocks.

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Is peridotite felsic mafic intermediate or ultramafic?

Peridotite is ultramafic, composed predominantly of mafic minerals such as olivine and pyroxene. It has low silica content and high magnesium and iron content, making it different from felsic, intermediate, and mafic rocks.


Minerals in igneous rock?

Felsic rocks mostly contain silicates such as feldspars and quartz, mafic rocks are ferrromagnesian, containing mostly pyroxene and olivine, ultramafic rocks only contain pyroxene and olivine, and rocks neither felsic nor mafic mostly contain plagioclase feldspar, biotite mica, and amphibole.


What is the mafic mineral and felsic mineral?

First of all there is no such thing as a mafic or a felsic "mineral". There can be mafic and felsic rocks.Mafic rocks have a high magnesium and iron content.Felsic rocks enriched with lighter elements such as oxygen and silicon.


What minerals are present in felsic rocks and mafic rocks?

Felsic rocks are primarily composed of minerals like quartz, feldspar, and muscovite, while mafic rocks contain minerals such as olivine, pyroxene, and plagioclase. Felsic rocks have lighter-colored minerals and lower density compared to mafic rocks, which have darker-colored minerals and higher density.


Is pegmatite felsic or mafic?

Pegmatite is classified as felsic due to its composition which is rich in silica and aluminum, containing minerals such as quartz, feldspar, and muscovite. Mafic rocks, on the other hand, have a higher content of iron and magnesium-rich minerals like pyroxene and olivine.


Why are felsic rocks melted by mafic magmas but mafic rocks are not melted by felsic magmas?

Felsic rocks have a lower melting point than mafic rocks and felsic magma has a lower temperature. In other words, felsic magma is not hot enough to melt mafic rock while mafic magma is hot enough to melt felsic rock.


Are olivine and pyroxene most likely to be found in felsic rock?

No, olivine and pyroxene are more commonly found in mafic rocks due to their high iron and magnesium content. Felsic rocks, on the other hand, typically contain minerals like quartz, feldspar, and mica, which have lower iron and magnesium content.


Which minerals are not present in felsic type igneous rocks but are present in mafic type igneous rocks?

Mafic igneous rocks typically contain minerals like olivine, pyroxene, and amphibole which are not commonly found in felsic igneous rocks. These minerals have higher concentrations of iron and magnesium and form at higher temperatures as compared to the minerals present in felsic rocks.


Olivine and pyroxene are commonly found in igneous rocks that are?

Olivine and pyroxene are commonly found in igneous rocks that are mafic in composition. These minerals indicate that the rock formed from magma with a higher iron and magnesium content. Mafic igneous rocks tend to be dark in color and have higher densities compared to felsic rocks.


Is amphibolite mineral a felsic mafic or intermidate?

Is mineral amphibolite a felsic, mafic or intermidiate in term of color


What minerals are found in mafic rocks?

mafic rocks can be made up of orthoclase feldspar and quartz


What mineral composition is most characteristic of felsic rocks?

Felsic rocks are typically composed of minerals such as quartz, potassium feldspar, plagioclase feldspar, and muscovite mica. These minerals are light in color and have lower densities compared to mafic rocks.