This paper deals with the advance in study of the composition, geochemistry and deep seated fluids of lower mantle.
主要论述深部地幔的组成、地球化学及深部流体研究的进展。
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 east China continent located over the heat source of the lower mantle was uplifted, broken and drifted toward the ocean.
位于下地幔源热区之上的中国东部大陆,发生隆起、破裂、向洋漂移。
This won't affect climate tomorrow, but what our results tell you is that carbon from the surface can go all the way into the lower mantle, which may be a long-term sink for carbon.
这不会对明天的天气产生影响,但我们所得的结果告诉你来自地表的碳元素总是能够进入到底层的地幔中,这可能是碳元素的长期下沉过程。
The Moon's mean density is much lower than that of Earth but is about the same as that of Earth's mantle.
月球的平均密度比地球低得多,但与地球的地幔密度大致相同。
Hess suggested that the presence of water, probably released from minerals decomposing in the Earth's mantle, might have meant that a high-magnesium magma could have existed at a lower temperature.
赫斯认为,水的存在可能是由地幔中分解的矿物质释放出来的,这可能意味着含镁高的岩浆可能在较低的温度下存在。
Leucite tephrite was derived from the more enriched mantle source with lower degree of partial melting of mantle source than alkaline olivine basalt.
相对于碱性橄榄玄武岩,白榴石碱玄岩来自于更加富集的地幔源区,其地幔的部分熔融程度相对较低。
It is a porphyry copper-silver-tin deposit that occurs in the transitional crust and was formed by derivatives of the lower crustal-upper mantle transitional magma.
它是分布于过渡性地壳上的、由起源于下地壳—上地幔的过渡性岩浆的衍生物形成的斑岩型铜银锡矿床。
The deeply studies show the GD intrusions was mixed by magmas from mantle and from lower crust, without the effect of subduction system.
综合地球化学证据表明岩浆起源不受古俯冲体系的影响,而是幔源岩浆与榴辉岩相镁铁质岩石部分熔融岩浆混和的产物。
It is tentatively suggested that the lower lithosphere MORB-OIB mantle is recently accreted since the paleo-lithosphere mantle was replaced by the abnormal asthenosphere.
我们初步认为,该区深部岩石圈MORB -OIB地幔可能是软流圈置换古岩石圈地幔而增生形成的。
Under the influences of mantle and lower crust, the low-velocity layers alternating with high conductive layers distribution occurred in middle crust.
地幔物质的上隆及上侵作用使上地壳裂解断陷,而中地壳在地幔、下地壳的影响下形成相间展布的低速—高导层。
The intrusive is believed to be syntectic type with its diagenetie materials derived from the lower crust and upper mantle.
认为该岩体为下地壳或上地幔源,属同熔型。
The volcanic activities have relations to the heat-flow upwelling, crust thinning, upper mantle and lower crust melting, and upward movement of the melt materials along the block boundaries.
火山活动与热流上涌、地壳拉伸减薄、上地幔及下地壳物质熔融并沿块体边界向浅部上移有关。
The source area of K-rich magmatic rocks in the Dabie area is closely related to the enriched mantle, while the rocks in the lower Yangtze Valley area are more affined to the lower crust.
大别地区富k岩系的源区与富集地幔密切相关,下扬子地区的则与下地壳有更多亲缘关系。
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。
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。
The metallogenic source material comes from the upper mantle and the lower crust.
成矿物质来源于上地幔和下地壳。
Combining geomagnetic and gravity data to analyse anomaly, it is concluded that the geomagnetic anomaly of Jiangsu region is related to the stress field caused by mantle flow in lower Yangtze area.
结合重力资料分析认为,江苏地磁异常亦与下扬子地幔流应力场活动相关。
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。
The major source comes from the lower or upper mantle, and the minor part from the wall rocks.
最终判定玉龙矿床成矿物质主要来源于下地壳或上地幔,有少量上地壳围岩物质加入。
The researchers discovered the "spin transition zone" by subjecting laboratory samples of lower-mantle material to high temperatures and pressures.
研究员通过服从低披风材料实验室样品发现了“旋转转折区域”到高温和压力。
The resistivity from the middle-lower crust to the upper mantle of lithosphere, near the gravity gradient zone in the Wuling mountain, is very high. It is related to the forming of the gradient zone.
武陵山重力梯度带附近,中下地壳至上地幔岩石层有很高的电阻率,它和梯度带的形成有关。
The percentage of heat flow from mantle is bigger than 80% in terrestrial heat flow, whereas the percentage of lower crustal heat flow is smaller than 20% in terrestrial heat flow.
海盆区地幔热流在地表实测大地热流中所占比例高于80 %,地壳下部热流在地壳总热流中所占比例小于2 0 %。
The primitive Pb was mainly derived from the lower crust and upper mantle;
矿床中的原 始铅主要来源于地壳深部或上地幔;
The primitive Pb was mainly derived from the lower crust and upper mantle;
矿床中的原 始铅主要来源于地壳深部或上地幔;
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