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No, pyroxene is not an igneous rock; it is a mineral commonly found in igneous rocks. Pyroxene is a group of silicate minerals that are typically characterized by their crystalline structure and high-temperature stability. They are often present in rocks such as basalt and gabbro, contributing to their mineral composition.
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What igneous rock may be formed by fractional crystallization of olivine and pyroxene?
ultramafic
What intrusive igneous rock is composed of 18 percent olvine 48 percent pyroxene and 34 percent plagioclase?
Gabbro is made of these minerals. The proportions can vary.
How does silica from molten material affect the color of igneous rock?
The majority of minerals associated with igneous rocks are silicates. It is the proportion of certain silicate minerals that affects the color of igneous rocks. Igneous rocks that are high in orthoclase feldspar, quartz, and muscovite mica will be lighter in color than igneous rocks that are higher in olivine, pyroxene, amphibole, and biotite mica.
What describes rock that was formed when molten rock cooled down?
Igneous rock is formed.
What are three main rocks found on this planet?
The three main rocks found on this planet are sedimentary, igneous, and metamorphic.
Name a coarse grained igneous rock with no pyroxene?
Granite is a coarse grained igneous rock without Pyroxene.
A coarse grained igneous rock with no pyroxene?
Granite is a coarse grained igneous rock without Pyroxene.
What igneous rock contains mostly pyroxene and olivine?
Ultramafic igneous rocks are comprised mostly of olivine and pyroxene. Examples include peridotite (pegmatic and porphyritic) and komatite.
An igneous rock that contains mostly pyroxene and olivine has .?
an ultramafic composition
What igneous rock may be formed by fractional crystallization of olivine and pyroxene?
ultramafic
Is gabbro a phaneritic rock?
Yes, Gabbro is a phaneritic igneous rock.
What is the meaning of pyroxenite?
Pyroxenite is an ultramafic igneous rock consisting essentially of minerals of the pyroxene group, such as augite and diopside
Does an igneous rock contain iron?
Igneous rocks can contain iron, but not all igneous rocks do. The presence of iron in an igneous rock depends on the composition of the magma from which the rock formed. Iron can be found in minerals such as magnetite, hematite, and pyroxene within certain igneous rocks.
Is basalt a rock or mineral?
Basalt is a type of rock, specifically an extrusive igneous rock that forms from solidified lava flows. It is composed mainly of minerals such as feldspar and pyroxene.
What intrusive igneous rock has the same mineral composition as basalt?
Gabbro is an intrusive igneous rock that has the same mineral composition as basalt. Both rocks are composed primarily of plagioclase feldspar and pyroxene minerals.
What igneous rock has no visible crystals?
Granite is a coarse grained igneous rock without Pyroxene.
What kind of rock makes up most of the igneous rock?
Most igneous rocks are made up of silicate minerals, such as quartz, feldspar, mica, amphibole, and pyroxene. These minerals are rich in silicon and oxygen and form the bulk of the composition of igneous rocks.
