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How is new rock added to the ocean floor?
New rock is added to the ocean floor through a process called seafloor spreading, where magma rises from the Earth's mantle at mid-ocean ridges, cools and solidifies to form new oceanic crust. This process helps expand the ocean floor and contributes to the movement of tectonic plates.
What types of rock is in the mantle?
the mantle is made up of solid hot rock.
Continents float on the Earth's mantle because continental rocks are 'blank' than mantle rock.?
Continental rock is less dense than mantle rock.
What component would you least likely find in the Earth's mantle?
You would least likely find water in the Earth's mantle. The mantle is composed mainly of solid rock minerals, with little to no water present due to the high temperatures and pressures found at that depth.
What is the plastic like rock of the lower mantle called?
the plasic like rock of the lower mantle is the asthenosphere
What happens to the mantle rock as you go deeper into the mantle?
earthquakes and volcanoes
What happens to the crust when the molten rock sinks to the lower mantle?
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What happens to mantle rock descending oceanic crust scrapes past continental crust?
As the oceanic crust descends beneath the continental crust, the mantle rock is subjected to high pressure and temperature. This causes the mantle rock to partially melt, producing magma that can rise to the surface and form volcanoes. The interaction of the descending oceanic crust with the continental crust can also lead to earthquake activity.
What happens when continental collides with continental crust?
The oceanic crust is force down into the mantle in a process called subduction. The subducting oceanic plate will introduce water into the hot mantle, causing some of the rock to melt. The molten rock will rise through the overriding continental crust to form volcanoes.
What is molten mixture of rock forming substances gases and water from the mantle?
Magma
How is new rock added to the ocean floor?
New rock is added to the ocean floor through a process called seafloor spreading, where magma rises from the Earth's mantle at mid-ocean ridges, cools and solidifies to form new oceanic crust. This process helps expand the ocean floor and contributes to the movement of tectonic plates.
What are the Asthenospheric mantle and the Inner Mantle are made up of?
The Asthenospheric mantle and the Inner mantle are made up of solid rock and liquid rock.
What is an underground molten mixture of rock- forming substances gases and water from the mantle?
A magma.
WHAT ARE Mantle rocks classified as?
Mantle rock is classified as ultramafic igneous rock.
What happens to rock along converging boundaries?
It is folded and uplifted, or subducted into the mantle, depending on the type of convergent boundary.
Is solid rock located deep in the mantle called magma?
No, solid rock located deep in the mantle is not called magma. Magma is molten rock that is found beneath the Earth's surface in the mantle and crust. Solid rock in the mantle is known as the lithosphere.
What types of rock is in the mantle?
the mantle is made up of solid hot rock.
