Because of its proximity to Earth's core, the rock at the base of the mantle is much hotter than rock in the upper mantle.
由于靠近地核，地幔底部的岩石比上地幔岩石的温度高得多。
When a reservoir is sufficiently large, a sphere of this hot rock forces its way up through the upper mantle to Earth's surface, creating a broad bulge in the topography.
当储层足够大时，这种炽热岩石的一个球体强行通过上地幔上升到地球表面，在地形上形成一个宽阔的隆起。
The occurrence of pargasite reflects the participation of the upper mantle fluids and the metasomatism.
角闪石的出现反映上地幔流体的渗透及交代作用。
Scientists call this layer of crust and upper mantle the lithosphere.
科学家称这层地壳和上部地幔为岩石圈。
Upper mantle uplift is likely associated with upward migration of mantle material.
地幔上隆可能意味着地幔物质向上运移。
It is postulated that a high conductive body exists in the lower crust or upper mantle.
据此推测在地壳下部或地幔上部存在一高导体。
Paleogeotherm indicates high thermal flow of the upper mantle below the Tan Lu fault zone.
古地温线特征表明，断裂带之下的上地幔具有高的大地热流值。
These levels are comparable to the 500 to 1000 parts per million of water in the Earth's upper mantle.
这一水分含量堪比地球的上层地幔500到1000ppm的水含量。
There is close relation between loading tidal correction and structure of crust and upper mantle.
负荷潮汐改正与地壳上地幔结构有密切关系，主要原因是负荷潮汐取决于高阶勒夫数。
In the crust and upper mantle, the density is characterized by lateral and vertical heterogeneity.
地壳上地幔密度不均匀性特征在纵向和横向上都是很明显的。
This paper deals with the ductile shear zones and their deformed rocks in the crust and upper mantle.
本文讨论了地壳和上地幔中韧性剪切带及其中的变形岩石。
Until now, some studies showed that major source of ore-forming materials come from wall rock or upper mantle.
目前，有关研究认为此类矿床成矿物质主要来源于矿床的围岩或上地幔。
The results show that the crust and upper mantle structures present obvious lateral and vertical inhomogeneity.
结果表明，地壳上地幔结构在纵向和横向上具有明显的不均匀性。
Regional seismic wave carries lots of information about structural variations in the crust and the upper mantle.
区域地震波携带着大量的信息，可以很好地反映地壳和上地幔结构的变化。
The local horizontal dislocation reaches about 4 km in the medium at the focal depth, where the upper mantle rises.
在震源深度附近的介质中，局部水平错动可达4公里左右，上地幔顶部在此隆起。
Moho depth within the crust and upper mantle, high conductivity layer depth and heat flow values have close relations.
通过对该区的研究发现，在地壳和上地幔中莫霍面埋深、高导层埋深和热流值之间存在着密切的联系。
The volcanic rocks resulted from upper mantle in Mesozoic group, and volcanic rocks from lower crust in Palapene system.
本区火山岩应主要来自上地幔，而房身泡组源区相对较浅，可能有下地壳物质混人。
Like the CORE of earth, the mantle can also be divided into two concentric layers, the lower mantle and the upper mantle.
就像地球的核部一样。地幔也可分为两个同心圆圈层，下地幔和上地幔。
The result shows that the density distribution of the crust and upper mantle along this profile is evidently heterogeneous.
结果表明，该剖面的地壳-上地幔密度分布具有明显的不均匀性。
The upper mantle consists of lherzolite, and it seems that there is a transition zone between spinel and garnet lherzolites.
上地幔由超镁铁质的二辉橄榄岩组成，在尖晶石二辉橄榄岩和石榴石二辉橄榄岩之间有一过渡层。
The upheaval zone in upper mantle is the primary factor controlling the distribution of gulch-gold mines and lode gold mines.
上地幔隆起区是控制砂金矿和岩金矿面式分布的主要因素。
Study to the relation between strong earthquakes and S-wave velocity structures in the crust and upper mantle in the studied area.
内地壳和上地幔S波速度结构与强震的关系和强震活动的深部背景进行了探讨。
Earthquakes occur in the crust or upper mantle, which ranges from the earth's surface to about 800 kilometers deep (about 500 miles).
地震发生在距离地表约800公里深处(约500英里)地壳或上地幔处。
The mantle upwelling is originated from core-mantle boundary and mostly presents in the middle mantle and lower part of upper mantle.
地幔上升流起源于核幔边界，主要表现在地幔中部和上地幔下部。
An inversion of velocity structure of crust and upper mantle by using converted PS wave and multiwave PPP etc, is reported in this paper.
本文是研究利用天然地震PS转换波及PPP等二次波到时资料反演地壳上地幔速度结构的尝试。
The magma originated from the upper mantle and belongs to the tholeiitic series which has undergone immiscible separation of metal sulfide.
岩浆起源于上地幔，属于拉斑玄武岩系列，发生过金属硫化物的熔离作用。
The elastic parameters, their main evidences and relevance to the earth's dynamics of the anisotropy of the upper mantle are discussed in this paper.
本文论述了上地幔各向异性的参数描述和主要证据，以及与地球动力学的关系。
The xenoliths in the yangyuan, including iherzolite and harzburgite, represent the direct samples from the upper mantle beneath western north China craton.
阳原幔源包体包括二辉橄榄岩和方辉橄榄岩，是华北西部上地幔的直接样品。
The xenoliths in the yangyuan, including iherzolite and harzburgite, represent the direct samples from the upper mantle beneath western north China craton.
阳原幔源包体包括二辉橄榄岩和方辉橄榄岩，是华北西部上地幔的直接样品。
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