Noun:

উপরের আঙরাখা,

upper mantle's Usage Examples:

the portion of the upper mantle that behaves elastically on time scales of thousands of years or greater.

The crust and upper mantle are distinguished.

The upper mantle of Earth is a very thick layer of rock inside the planet, which begins just beneath the crust (at about 10 km (6.

As one plate subducts, it sets up convection currents in the upper mantle that exert a net trenchward pull, and acts to suck both the plates together.

is the highly viscous, mechanically weak, and ductile region of the upper mantle of Earth.

rides atop the asthenosphere and the two form the components of the upper mantle.

created by partial melting of solid material in the Earth's crust and upper mantle.

in the upper mantle and found to extend into the uppermost lower mantle, implying that the passage of hot material from the lower to upper mantle is not.

the Earth's mantle, and is located between the lower mantle and the upper mantle, between a depth of 410 and 660 km (250 to 400 mi).

important structural discontinuity surface in the Earth's crust and upper mantle.

The upper mantle of Earth is composed mainly of olivine and pyroxene.

The primary component of the Earth's upper mantle, it is a common mineral in Earth's subsurface, but weathers quickly on.

three major layers defined by sudden changes in seismic velocity: the upper mantle (starting at the Moho, or base of the crust around 7 to 35 km (4.

and a reduction in pressure that melts rock from the asthenosphere (or upper mantle) beneath the rift area, forming large flood basalt or lava flows.

investigating how minerals dissolve in water in the lower crust and upper mantle, studies of metamorphism of oceanic gabbros from the East Pacific Rise.

observed to be formed not in the Earth’s crust, but in molten rock of the upper mantle.

kimberlites, lamproites and lamprophyres, which have their source in the upper mantle, often contain fragments and crystals assumed to be a part of the originating.

rock-forming silicates, which are the main constituents of the Earth's crust, upper mantle and transition zone.

lies on top of the mantle, a configuration that is stable because the upper mantle is made of peridotite and so is significantly more dense than the crust.

This reaction marks the boundary between the upper mantle and lower mantle.

Garnet lherzolite is a major constituent of the Earth's upper mantle (extending to ~300 km depth).

Synonyms:

layer; mantle;

Antonyms:

natural object;