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How does Dunite form?
Dunite is an igneous rock composed primarily of olivine. It forms when magma solidifies deep within the Earth's mantle and contains a high percentage of olivine crystals. As the magma cools and crystallizes, olivine-rich dunite can be formed.
Is dunite an intrusive or extrusive igneous rock?
Dunite is an intrusive igneous rock, specifically a type of ultramafic rock composed mostly of olivine. It forms deep within the Earth's crust through the crystallization of magma.
Which pair of rocks could only be composed of only one mineral.?
dunite and rock salt. dunite only compose of only olivine and rock salt contain only halite (earth science reference table)
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.
What is the density of dunite?
a bout 3.27 (most of the time 3.3 is considered)
Is dunite intrusive or extrusive?
Dunite is an intrusive igneous rock that forms from the cooling and solidification of magma beneath the Earth's surface. It is primarily composed of olivine mineral and is typically found in plutonic environments.
Why dunite has no volcanic equivalent?
Dunite is a type of peridotite rock that is formed deep within the Earth's mantle through processes like partial melting. Its composition and formation conditions do not correspond with those found in volcanic settings, which is why dunite does not have a volcanic equivalent. Instead, dunite is typically brought to the surface through tectonic processes like uplift and erosion.
What is the color of dunite?
Dunite is typically a dark green to olive-green color due to its high concentration of the mineral olivine.
What rock will you find in the Mantle?
The mantle, or interior of the Earth is made up of mostly of rocks that have high amounts of silicon and aluminum. There is also an abundance of nickel and iron in the mantle.
What type of rock is mostly found in mantle?
The rocks found in the mantle are usually olivine, pyroxenes, spinal structure minerals, and garnet. Some others are peridotite, dunite, and eclogite.
Is dunite a rock or mineral?
Duntie is a rock
What is the texture of Dunite?
Dunite has a coarse-grained texture with visible mineral grains that are usually large and well-defined. It is composed mainly of the mineral olivine, giving it a greenish color and a granular appearance.
