According to dissecting depth of the zone of faults, the two zones of faults with upwelling of magma were transcrust (crust-upper mantle zone of faults).
根据断裂带切割深度,认定这两个断裂带均为超壳断裂,且都有岩浆上涌。
But geophysicists had thought that great subduction-zone earthquakes happened only where younger oceanic crust scrapes its way into the mantle.
但是在此之前,地球物理学者们认为,这种俯冲带大地震仅仅在年轻的海洋地壳挤入地幔处才可能发生。
A sharp temperature increase across the mid-mantle transition zone inhibits a simple downward-extrapolation from the near surface data.
中地幔过渡带有一个温度突然增加,因此不能根据近地表数据向下做简单的外推。
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。
The uranium deposits (occurrences) are regularly distributed along the mobile fault zone of the periphery of mantle upwelling.
铀矿床(点)沿地幔隆起周边构造活动带规律性分布。
The transition zone seems to be slightly thinned which might indicate a higher mantle temperature in this region.
过渡区似乎稍微变薄,这可能表明这个区域的地幔温度较高。
The mobile fault zone along the periphery of mantle upwelling is the favourable site for prospecting uranium and polymetallic mineral resources in the future.
沿地幔隆起周边构造活动带是今后寻找铀及多金属矿产的有利地段。
A zone of the earth's mantle that lies beneath the lithosphere and consists of several hundred kilometers of deformable rock.
软流圈地球中地幔的一个区域,在岩石圈之下,包括几百公里可变形的岩石。
The lowermost mantle layer is above the core mantle boundary (CMB) and composed of D" region and ultra-low velocity zone (ULVZ)."
地幔底层由具有高地震波速和高密度的D″区和超低速带(ULVZ)组成。
The lithosphere-asthenosphere interaction zone is also a major component of the magma source, which consists predominantly of asthenospheric mantle and in the main contains no crustal component.
岩石圈-软流圈的作用带也是重要的岩浆源区,源区是以软流圈地幔为主,基本不含地壳组分。
It is mainly distributed in the rift valley zone or hot spot district of northeastward Yangming mountain, Xiangtan, which corresponds to the mantle-uplift district.
它主要分布于湘潭—阳明山北东向断裂坳陷带或热点区及对应幔隆区。
Th enriched upper mantle exists not only in the continental aere but in the orogenic zone. It may be a chemical reaction occurred in interior of the whole earth.
富集型上地幔不但存在于大陆区,而且亦存在于造山带地区,它可能是一种全球性的地球内部的化学作用。
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。
The aqueous fluid in subduction zone has played important role for the evolution of crust and mantle and the mass exchange.
俯冲带中的水在壳幔演化和物质交换中起重要作用。
The evidences indicate that the magmas are formed by melting of pyrolite and eclogite (ancient basaltic oceanic crust) in the axial zone of mantle plume.
这说明它们是在地幔柱轴部,由地幔岩和榴辉岩(古玄武质洋壳)组成的源区产生的岩浆形成的。
The south margin faulted zone of Altun Mountain in Xinjiang is a regional upper mantle deep structure, along which numerous basic ultrabasic complex bodies are distributed.
阿尔金南缘断裂是一条深达上地幔的区域性大断裂,沿断裂分布着众多的基性-超基性杂岩体。
The calculated results of temperature and pressure from mineralogical chemistry show that magmatic source should lie in crust-mantle intermediate zone.
从矿物化学所获得的温度-压力计算结果表明:岩浆来源应位于壳幔过渡带。
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 most remarkable feature of the upper mantle is the low-velocity zone. as suggested by its name, this is a region in the upper mantle in which there is a decrease in the speed of seismic wave.
上地幔一个最显著的现象就是低速带,就像这个词名所表达的那样,在上地幔存在这么一个区域,在那里地震波波速会发生减慢。
The ore-forming material and fluid was derived from the depth of the Earth especially from upper mantle or crust-mantle mixing zone , due to alkali-rich magma activity during late Yanshanian epoch.
成矿流体和主要矿质均源于地球深部,以上地幔或壳幔混合带为主,与燕山晚期富碱岩浆活动密切相关。
The existence of recycled basaltic oceanic crust in the axial zone of mantle plume may be the key of the formation of giant V-Ti-magnetite deposits.
岩浆源区再循环玄武质洋壳的存在可能是该区超大型钒钛磁铁矿床形成的根本原因。
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。
It indicates that two dynamical mechanisms of mantle diaper and right-lateral strike slip in deep faulted zone lead tectonic dynamics model evolved in Cenozoic stress field of Dongpu depression.
提出了地幔底辟和深断裂带右旋走滑位移两种动力机制联合作用主导了东濮凹陷的新生代应力场演化的构造动力学模式。
Tectonic environment of formation of enriched upper mantle is oceanic crust displacement from the oceanic mid-ridge to the orogenic zone.
造山带富集型上地幔形成的构造环境是:洋壳从扩张脊向两侧运移并最终拼入造山带这段时间内。
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。
Based on the study of deep-seated tectonic blocks, a litho-logic column from upper mantle to crust-mantle transition zone bas be...
在深源构造岩块的研究基础上建立了壳幔过渡带至上地幔段的岩性地层柱,对上地幔可能存在的地质作用类型进行了探讨。
Based on the study of deep-seated tectonic blocks, a litho-logic column from upper mantle to crust-mantle transition zone bas be...
在深源构造岩块的研究基础上建立了壳幔过渡带至上地幔段的岩性地层柱,对上地幔可能存在的地质作用类型进行了探讨。
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