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How do upper mantle rock differ from lower mantle rock?
the upper-mantle rocks are heavier while the lower mantle rocks are semisolid like melted plastic
What are rocks that come from the mantle?
Rocks that come from the mantle are called mantle rocks. These rocks are typically formed deep within the Earth's mantle and can include peridotite, dunite, and eclogite. Mantle rocks are brought to the surface through processes like volcanic eruptions or tectonic movements.
How do upper mantle rocks differ from lower mantle rock?
the upper-mantle rocks are heavier while the lower mantle rocks are semisolid like melted plastic
What is the area between the mantle and core where hot rocks forced into the crust?
The area is known as the mantle transition zone and it is located between the upper mantle and the lower mantle. This region is characterized by high pressures and temperatures, causing rocks to undergo changes in their physical and chemical properties.
How do the rocks in the mantle move?
The movement of rocks in the mantle is driven by convection currents. Heat from the Earth's core causes the rocks to become less dense, causing them to rise towards the surface. As they cool, they become denser and sink back down, creating a cycle of movement within the mantle.
What a Mantle?
A mantle is a layer of hot rocks.
What are the Hot rocks rising in the mantle called?
The hot rocks rising in the mantle are commonly referred to as "mantle plumes." These are columns of hot, solid material that rise from deep within the Earth's mantle, potentially leading to volcanic activity when they reach the crust. Mantle plumes can create hotspots, which are areas of intense volcanic activity, like those seen in Hawaii.
What are rocks that come from the mantle called?
Igneous rock.
What is compression in the earth's mantle?
Compression in the Earth's mantle refers to the process by which rocks are pushed together, resulting in increased pressure and density. This compression can lead to changes in the physical and chemical properties of the rocks, affecting their behavior and deformation within the mantle.
Which region of the earth interior does the heat increase to the point that rocks can begin to melt?
In which region of the Earth's interior does the heat increase to the point that rocks can begin to melt?
Why are mantle rocks solid even though the Earth's interior temperature is very hot?
The melting temperature of materials is dependent on the pressure that is applied, whereby the higher the pressure, the higher the melting temperature. As such the rocks in the mantle are experiencing such a high pressure, that their melting point is driven up beyond the temperature within the Earth's mantle so they remain solid.
In the rock cycle what type of rock is produced by melting?
When rocks are melted, they form igneous rocks. This can happen through processes like volcanic activity or within the Earth's mantle.
