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What happens when a subducting plate reaches about 100 km depth?
When the subducting plate reaches about 100 kilometers (60 miles) into the Earth's hot mantle, it triggers partial melting of the overlying plate and forms new magma. Some of the magma rises and erupts as volcanoes.
What is hot molten rock that reaches the earth's surface called?
Molten rock (magma) that spews from a volcano is called lava, When it cools, the lava forms igneous rocks.
How magma moves upward though a volcano and reaches the surface during an eruption?
The inside of the earth (Mantle) pushes the hot magma liquid and makes the magma move toward the surface.
What is the name for molten rock when its under the ground?
Molten rock under the surface is called "magma". When magma reaches the surface it is called "lava".
What is the name for hot liquid rock?
Hot liquid rock is called magma when it is beneath the Earth's surface and lava when it reaches the surface through a volcano.
What portion of the mantle is hot enough to begin melting rocks into magma?
asthenosphere
What happens when a subducting plate reaches about 100 km depth?
When the subducting plate reaches about 100 kilometers (60 miles) into the Earth's hot mantle, it triggers partial melting of the overlying plate and forms new magma. Some of the magma rises and erupts as volcanoes.
Asthenosphere?
contains hot molten rocks or magma
Hot melted rock inside the earth is called?
The molten rock inside the Earth is called magma. When magma reaches the surface, it is called lava.
Area in the Earth's mantle hot enough to melt rock into magma and create volcanoes?
All of the Earth's mantle is hot. And while some geologists believe that there are Mantle plumes (or hot spots) current evidence seems to support a view that mantle plumes do not exist. What causes magma to rise up from the lower crust and mantle is the convection of the mantle and therefore the places where most heat (and magma) is coming up to the surface is along the mid oceanic ridges.
What is hot molten rock that reaches the earth's surface called?
Molten rock (magma) that spews from a volcano is called lava, When it cools, the lava forms igneous rocks.
What part of the earth becomes hot enough to liquify and become slow moving molten rock or magma?
The Lowwer Mantle, reffered to as Asthenosphere.
How magma moves upward though a volcano and reaches the surface during an eruption?
The inside of the earth (Mantle) pushes the hot magma liquid and makes the magma move toward the surface.
What is the name for molten rock when its under the ground?
Molten rock under the surface is called "magma". When magma reaches the surface it is called "lava".
What is the name for hot liquid rock?
Hot liquid rock is called magma when it is beneath the Earth's surface and lava when it reaches the surface through a volcano.
What is called of hot liquid rock?
Hot liquid rock is called magma when it is beneath the Earth's surface. Once it erupts and reaches the surface, it is referred to as lava. Both magma and lava are composed of molten rock, minerals, and gases.
How magma reaches the surface?
Magma sometimes flows toward the surface as a result of convection currents in the magma, that is to say, the hotter magma rises within cooler magma. Because it is so hot, the rising magma simply melts away anything in its path, so nothing can prevent it from reaching the surface.
