In this page you can discover 3 synonyms, antonyms, idiomatic expressions, and related words for asthenosphere, like:
lithosphere
, atmosphere and hydrosphere.
What is an antonym for asthenosphere?
noun. The lower layer of the crust.
Antonyms.
natural object courtesy
.
layer
.
What is another name for the lithosphere?
| Earth’s crust crust | layer shell |
|---|
What is the asthenosphere in simple words?
Asthenosphere,
zone of Earth’s mantle lying beneath the lithosphere
and believed to be much hotter and more fluid than the lithosphere. The asthenosphere extends from about 100 km (60 miles) to about 700 km (450 miles) below Earth’s surface.
What is the Earth’s asthenosphere?
The asthenosphere is
the denser, weaker layer beneath the lithospheric mantle
. It lies between about 100 kilometers (62 miles) and 410 kilometers (255 miles) beneath Earth’s surface. The temperature and pressure of the asthenosphere are so high that rocks soften and partly melt, becoming semi-molten.
What is lithosphere in simple words?
The lithosphere is
the solid, outer part of the Earth
. The lithosphere includes the brittle upper portion of the mantle and the crust, the outermost layers of Earth’s structure. … There are two types of lithosphere: oceanic lithosphere and continental lithosphere.
What 2 layers make up the mantle?
Earth’s mantle is divided into two major rheological layers: the
rigid lithosphere comprising the uppermost mantle
, and the more ductile asthenosphere, separated by the lithosphere-asthenosphere boundary.
What is an example of asthenosphere?
The upper layer of asthenosphere under the
South American plate
, for example, is moving inexorably westward. … The plates constitute the hard lithosphere – literally, ‘sphere of rock’ – which floats atop the hot, semi-molten asthenosphere – ‘sphere of weakness’.
How do you use asthenosphere in a sentence?
It was found
that the asthenosphere had invaded the overlying lithosphere
. Beneath the lithosphere is the asthenosphere, a relatively low-viscosity layer on which the lithosphere rides. The upwelling of asthenosphere is not involved in the actual rifting process.
What is a word for thermal energy?
| heat energy radiant heat | radiative heat thermal radiation |
|---|
What keeps Earth’s asthenosphere pliable?
The outermost layer of Earth, lithosphere, a rocky and brittle layer, is broken into pieces called plate tectonics.
The plate tectonics
float/move over the asthenosphere. Convection currents in the mantle cause the plate tectonic’s movement.
Where is the asthenosphere found?
The asthenosphere is located in
the upper mantle just below the lithosphere
. The asthenosphere can begin between 50-120 miles below the surface and…
What is an interesting fact about the asthenosphere?
The asthenosphere is
the region of the upper earth considered to be mechanically weak
. It sits below the lithosphere, reaching from 50 miles to 120 miles below the earth’s surface. The boundary where the lithosphere and asthenosphere meet is referred to as the LAB.
How hot is the asthenosphere?
The asthenosphere includes the portion of the mantle with temperatures
above 2,372°F.
Why is the asthenosphere important?
The asthenosphere is important because it is
the force behind the plate tectonic motion and continental drift
. It lubricates the plate tectonics. The asthenosphere has a fluid-like properties with high viscosity that the crust rides on.
How is the asthenosphere formed?
The temperature gradient of the Earth means that, at a certain depth in the upper mantle, peridotite will behave like this too. This occurs when
peridotite reaches 1300
o
C
and gives rise to a layer called the asthenosphere, where the rock is weaker than both overlying and underlying mantle.
