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Which earth layer is made of peridotite?
The Earth layer that is made of peridotite is the mantle. Peridotite is a type of rock rich in olivine and pyroxene minerals that primarily makes up the upper mantle beneath the Earth's crust.
What is the dominant rock type in the ocean crust and in the continental crust?
The dominant rock type in ocean crust is basalt, which forms from solidified lava. In continental crust, the dominant rock type is granite, which forms from the cooling and solidification of magma beneath the Earth's surface.
Is basalt part of earth's crust?
Yes. Basalt occurs only in the crust; the oceanic crust is primarily basalt.Actually the mantle contains far more basalt than is in the entire crust.the oceanic crust is mostly basaltthe continental crust is mostly granite
The rock that underlies the oceans is granite?
The rock that underlies the oceans is primarily basalt, not granite. Basalt is a volcanic rock that forms from solidified lava, and it makes up most of the oceanic crust. Granite, on the other hand, is a different type of rock that is more commonly found in continental crust.
What part of the crust is made of dark igneous basalt type rock?
Oceanic crust.
What rock makes up the crust and upper mantle?
The predominant rock in the Earth's crust and upper mantle is called silicate rock, composed mainly of silicon and oxygen. This type of rock is known as "peridotite" in the mantle and "granite" in the crust.
Which earth layer is made of peridotite?
The Earth layer that is made of peridotite is the mantle. Peridotite is a type of rock rich in olivine and pyroxene minerals that primarily makes up the upper mantle beneath the Earth's crust.
Is the mantle a solid or something else?
The mantle layer of the planet Earth is made of hot liquid rock (called magma). The crust, upon which we live and type, floats on the mantle.
What rock makes up 90 percent of the earth's crust?
Igneous rock comprises the majority of Earth's crust.
What layer is Composed of peridotite?
The layer composed of peridotite is the mantle, which is located between the Earth's crust and core. Peridotite is the main rock type found in the upper mantle and is rich in minerals such as olivine and pyroxene.
What type of crust is most dense?
The mantle is the most dense layer of the Earth, with an average density around 3.3 g/cm³. This layer is located beneath the Earth's crust and is composed of solid rock that is subject to high pressures and temperatures.
What type of crust extends deeper into Earth's mantle?
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What color is Lithosphere?
The lithosphere does not have a specific color as it refers to the outermost layer of the Earth composed of the crust and part of the upper mantle. The lithosphere can vary in color depending on the type of rock that makes up the crust in a specific location.
What kind of rock are the tectonic plates composed of?
Tectonic plates are composed of primarily of lithosphere, which is a combination of crust and upper mantle rock. The crust portion is mainly made up of igneous and metamorphic rocks, while the upper mantle portion consists of peridotite, a type of ultramafic rock.
Which type of rock makes up most of the Earth's crust and why?
Most of the Earth's crust is made up of igneous rock. This is because igneous rocks are formed when magma cools and solidifies, which commonly occurs near the Earth's surface. Over time, the continuous cycling of geological processes leads to the formation and reformation of igneous rocks, making them the predominant rock type in the Earth's crust.
What is the upper most mantle rock like?
The uppermost mantle rock is Peridotite, which is mostly olivine and pyroxene but varies somewhat in chemical composition. Generally it is a coarse grained greenish rock. The name peridotite is derived from the gemstone peridot, which is pale green olivine.
Which rock group makes up least of earths crust?
Just to say: This question refers to rock groups. Not what type of rock.Igneous rocks make up most of the earth's crust.
