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The asthenosphere begins at around 100-150 km depth in the Earth. This is below the lithosphere, which consists of the crust and the uppermost mantle (the plates in plate tectonics).
The asthenosphere is in the mantle, but it is still unclear how much of the mantle (which goes down to a depth of ~2900 km) is actually part of the asthenosphere.
What else can I help you with?
What depth does the asthenosphere start and how far down does it extend?
The asthenosphere begins approximately 100-200 kilometers below the Earth's surface and extends to about 700 kilometers deep. It is a semi-fluid layer of the upper mantle that allows tectonic plates to move and slide.
Do cirrus clouds form near or far from earths surface?
Cirrus clouds form far above the Earth's surface, typically at altitudes above 20,000 feet. They are thin and wispy in appearance and are composed of ice crystals.
How far below the earths surface do earthquakes occur?
Earthquakes can occur at varying depths below the Earth's surface, typically ranging from near the surface to around 700 kilometers deep. The depth of an earthquake's focus can provide insight into the type of earthquake and the tectonic plate boundary where it occurred.
When large masses of magma solidify far below earths's surface they form igneous rocks that have a?
coarse-grained texture due to slow cooling, resulting in larger mineral crystals. Examples of these rocks include granite and diorite.
How far does the stratosphere extend above earth's surface?
30 feet above sea level and 50 feet above earths surface... science homework these days
How far away is the asthenosphere?
The asthenosphere, which is a soft plastic, is between approximately 62 and 124 miles below the surface. It is just below rigid lithosphere.
What is an earthquake that may be far below the earths surface?
it is called the interior
What is the texture of igneous rocks that form far below earths surface?
Course grained texture.
When large masses of magma solidify far below Earths surface they form igneous rocks that?
Coarse-grained texture
When large masses magma solidify far below earths surface they form igneous rocks that have a?
Coarse-grained texture
What depth does the asthenosphere start and how far down does it extend?
The asthenosphere begins approximately 100-200 kilometers below the Earth's surface and extends to about 700 kilometers deep. It is a semi-fluid layer of the upper mantle that allows tectonic plates to move and slide.
When large masses of magma solidify far below earths surface and large crystals form what do they exhibit?
The crystals may display a "Crescumulate texture".
Do cirrus clouds form near or far from earths surface?
Cirrus clouds form far above the Earth's surface, typically at altitudes above 20,000 feet. They are thin and wispy in appearance and are composed of ice crystals.
How far beneath the earths surface would you have to go to find liquid material in the earths core?
1800km - 1900km
How far beneath the earths surface would you have to go find liquid material in the earths core?
1800km - 1900km
How far does the stratosphere extend the earths surface?
30 feet above sea level and 50 feet above earths surface... science homework these days
What is a movement of ocean water that forms far below the surface of the ocean called?
The water that forms far below the surface is called a Deep Current.
