Noun:

নিম্ন আঙরাখা,

lower mantle's Usage Examples:

The lower mantle, historically also known as the mesosphere, represents approximately 56% of Earth's total volume, and is the region from 660 to 2900 km.

Slab suction occurs when a subducting slab drives flow in the lower mantle by exerting additional force down in the direction of the mantle's convection.

about 35 km (22 mi) under the continents) and ends at the top of the lower mantle at 670 km (420 mi).

predominant form of silicon dioxide in the Earth, especially in the lower mantle.

Some subducted material appears to reach the lower mantle, while in other regions, this material is impeded from sinking further.

conditions—have indicated mechanisms for the element's movement down into the lower mantle, as well as the forms that carbon takes at the extreme temperatures and.

interact with lower mantle silicates, eventually forming super-deep diamonds like the one found.

However, carbonates descending to the lower mantle encounter.

transition zone is part of 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).

imaged slabs down to the seismic discontinuities between the upper and lower mantle and to the core–mantle boundary.

indicating a deep-mantle source, seismic anomalies in the upper and lower mantle, and geodetic evidence of large-scale uplift and extension which suggests.

underlain by a mantle plume which has transported hot material from the lower mantle to the surface, creating the chain as the Pacific Plate has moved northwest.

that is interpreted to be one of the main constituents of the Earth's lower mantle together with silicate perovskite, a magnesium/iron silicate with a perovskite.

Chemically, Earth can be divided into the crust, upper mantle, lower mantle, outer core, and inner core.

the slab length calculated only for the part above 670 km (the upper/lower mantle boundary); A is the slab age in Ma at the trench.

ferropericlase marks the bottom of the mantle transition zone and the top of the lower mantle.

Some of the water makes it all the way to the lower mantle and may even reach the outer core.

250–320 mi) and ringwoodite (≈ 525–660 km or 326–410 mi) are stable the lower mantle (approximately 660–2,891 km or 410–1,796 mi), in which bridgmanite (≈.

The Moon’s lower mantle may be composed of lherzolite.

200 km thick layer of the lower mantle directly above the boundary is referred to as the D″ region ("D double-prime".

Synonyms:

layer; mantle;

Antonyms:

natural object;