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No. Volcanism occurs at the surface on the crust. However, the magma that drives volcanism ultimately comes from the mantle.
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Is it true or false volcanism occurs on planets whose interiors have completely cooled?
Volcanism can only occur on planets with a liquid mantle.
The island of Hawaii experiences volcanism because it is located above the Mid-Pacific?
False! The island of Hawaii experiences volcanism because it is located above a hotspot in the Earth's mantle.
What are hotspots?
Hotspots are portions of the Earth's surface that experience significant volcanism thought to be due to mantle plumes. They are normally located at a distance from plate boundaries where the majority of volcanism occurs.An example of a hotspot would be that underlying Hawaii and is responsible for the volcanism there and the creation of the Hawaiian island chain.
Are the Galapagos islands formed by volcanoes?
Yes - this volcanism is related to the presence of an underlying mantle plume that has created a hot spot in the crust.
Does the mantel contain soil?
No the answer is false the mantle does not contain soil
How did the Hawaiian chain island form?
The Hawaiian Island chain formed from a mantle plume and moving plates. The rising mantle plume causes crustal material to melt at depth, which results in volcanism and finally in the formation of a volcanic island. Since the Pacific Plate is in continuous (although slow) movement, the same mantle plume will cause volcanism subsequently in different places and this is expressed at the surface as a chain of volcanoes or volcanic islands.
Does the core contain the lower mantle?
No. The outer and inner cores are separate from the mantle.
What rock does the upper mantle contain?
The dominant rock type of the upper mantle is peridotite.
How do hotspots form?
Hotspots are thought to form due to mantle plumes. This is the upwelling of high temperature material from deep within the mantle. This high temperature material causes partial melting of the shallow mantle and overlying crust leading to a "hotspot" and volcanism.
Does the earth's mantle contain peridotite?
Yes it does.
What is a hot spot in relation to volcanoes?
This is a point in the Earth's crust where hot upwellijng mantle material causes significant magma formation and melting to occur within the crust and upper mantle. This in turn causes hotspot volcanism at the surface.
What geological processes cause volcanism?
The geological processs that cause volcanism is that the unstability found within the earth that is the radioactivity withn the earth cause the volcano to erupt there are also some facilitating conditions like the crustal movement which pave the door to the magma to eject from the mantle.
