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Which pair of rocks could each be composed of only one mineral (1) dunite and rock salt (2) peridotite and rock gypsum (3) dolomite and obsidian (4) marble and schist?
The pair that could each be composed of only one mineral is (1) dunite and rock salt. Dunite is primarily composed of the mineral olivine, while rock salt is made almost entirely of the mineral halite. The other pairs consist of rocks that are typically composed of multiple minerals.
What is metamorphosed dunite?
Metamorphosed dunite is a type of ultramafic rock that originates from the alteration of dunite, which is primarily composed of the mineral olivine. During metamorphism, dunite can undergo changes due to heat, pressure, and the presence of fluids, resulting in the formation of new minerals such as serpentine, talc, or pyroxene. This process can alter the rock's texture and mineral composition, often leading to a more complex structure while retaining some characteristics of the original dunite. Metamorphosed dunite is commonly found in regions with tectonic activity, such as orogenic belts.
Is dunite or olivine a common rock?
Dunite is not a common rock but olivine is.
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)
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.
What is the density of dunite?
a bout 3.27 (most of the time 3.3 is considered)
What element can you find in dunite?
Dunite is an igneous rock that is primarily composed of the mineral olivine, which is rich in the element magnesium. It typically contains a high percentage of magnesium silicate, along with smaller amounts of iron and other minerals. The presence of these elements makes dunite a significant rock in the study of the Earth's mantle and in the production of refractory materials.
A type of rock that is composed of only one mineral?
Limestonedunitequartziteand some others
How is dunite formed?
Dunite is an ultramafic igneous rock primarily composed of the mineral olivine. It forms through the partial melting of the Earth's mantle, where the molten rock, or magma, rises to the surface and crystallizes. This process typically occurs in tectonic environments such as mid-ocean ridges or mantle plumes. Dunite can also form through the alteration of other ultramafic rocks under specific conditions.
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.
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.
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.
