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Is olivine mafic or felsic?

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


Is peridot a igneous rock or is it something else?

Peridot is a gemstone composed of the mineral olivine. Olivine is a common mineral found in igneous rocks such as basalt and peridotite. So, while peridot itself is not an igneous rock, it is closely associated with igneous rocks due to its mineral composition.


What color are peridotites?

Peridotites are typically olive green to brown in color due to the presence of olivine and other minerals like pyroxene and spinel. This coloration gives peridotites their characteristic appearance.


An igneous rock that contains mostly pyroxene and olivine has .?

an ultramafic composition


Which igneous rock out of granite basalt andesite and peridotite has the lowest silica SiO2 content?

Peridotite, a type of ultramafic rock composed largely of the mineral olivine, has the least silica.


What igneous rock may be formed by fractional crystallization of olivine and pyroxene?

ultramafic


What type of rock contains high-density minerals such as olivine?

Ultramafic rocks, such as peridotite, are known to contain high-density minerals like olivine. These rocks form deep within the Earth's mantle and often have a coarse-grained texture due to their slow cooling process. Olivine is a common mineral found in ultramafic rocks due to its high melting point and stability under high-pressure conditions.


Which types of igneous rocks are composed of at least 50 percent olivine?

Peridotite and dunite are examples of igneous rocks that are composed of at least 50 percent olivine. Olivine is a common mineral in these ultramafic rocks, giving them their distinctive color and composition.


Where is peridotite found?

Peridotite is a dense, coarse-grained plutonic rock that contains a large amount of olivine. Spinel-bearing peridotites and plagioclase-bearing peridotites are foliated.


What is the density of dunite?

a bout 3.27 (most of the time 3.3 is considered)


What mineral group does Olivine belong to?

willemite


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.