the parent magma of several rock series formed earliest originated from the lower crust of granulite facies;
最初形成的巖系的母巖浆,起源于麻粒巖相的下地壳。
complex granulite facies xenolith types and distinct formation conditions indicate that the lower crust beneath nushan was constructed by multi-periodic magmatism in different tectonic settings.
复杂的巖石类型和不同的形成条件表明女山的下地壳是由多期巖浆活动的产物组成。
the horizontal low velocity layer, the vertical low velocity zone and the high velocity layer in the basement of the lower crust are related to the ore_forming processes.
文中还探讨了中国大陆主要成矿域巖石圈的现今活动性,以及地壳厚度、壳内低速层、「墻式」地震剪切波垂向低速带和下地壳底部高速层(体)的分布特征以及与成矿作用的关系。
the weighed average composition of xenoliths shows a more mafic composition of the lower crust than that estimated from granulite data, which may imply the difference in the genesis.
捕虏体的加权平均值比基于麻粒巖地体资料估算的下地壳平均组成偏基性,揭示了二者可能的成因差异。
the obs has recorded moho and other seismic waves, the sedimentary layer, the upper crust layer and the lower crust layer can be identified from it.
obs记录到了包括莫霍面在内的地震波,可以识别地壳内沉积层、上地壳层、下地壳层等多个层位的折射波地震相。
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 lithosphere beneath this area is associated with high temperature, low strength and intensive rheological stratification, and the lower crust is characterized by ductile flow deformation.
巖石圈具有温度高、强度低和强烈流变分层等特征,且下地壳表现为韧性流动变形。
the intrusive is believed to be syntectic type with its diagenetie materials derived from the lower crust and upper mantle.
认为该巖体为下地壳或上地幔源,属同熔型。
the metallogenic mechanism is as follows:in the latest jurassic, the melting layers of granite magma in the lower crust were formed by the regional plate movement.
成矿机理是:区域板块运动使本区在侏罗纪末下地壳形成花岗巖浆熔融层。
if the squeezing model were correct, he says, one would expect higher temperatures in the lower crust in order for it to be 「squeezable.」
如果挤压模型是正确的话,他说,那么深部地壳需要有更高的温度使得它更具有可塑性。
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。
for the internal orogenic system, the lower crust and lithospheric mantle is instead eventually replaced by more continental lithosphere from a collided continental fragment.
而对于内造山系统,下地壳和巖石圈地幔最终被合并到一起的陆块巖石圈所替代。
the results of the study show that in the lower crust below the hinggan-mongolian orogenic belt there might exist oceanic material similar to that in california.
研究结果表明,在大兴安岭-内蒙古造山带下地壳中可能存在与美国加里福尼亚类似的洋壳物质。
the results in this study reconfirmed that the lower crust fluid played an important role in the mineralization of daping mine.
本文的研究成果再次证实了下地壳流体对大坪金矿成矿的贡献。
structure of the lower crust and detachment and subduction of the lithosphere of the south qinling;
中下地壳组成、结构与演化研究一直是地球科学研究中为人们关注的重要课题。