The basement rocks are mainly TTG rocks with minor granites.
基底岩石中以TT G质岩石为主，少量为花岗质岩石。
Precambrian rocks are described as "basement rocks" because they are usually buried deep under the surface.
前寒武纪岩石被称为基岩，因为它们通常深埋于地表之下。
The Kongling Complex consists of basement rocks, supracrustal rocks and some mafic rocks occurring as lenses, boudins or layers.
崆岭杂岩由基底岩石加表壳岩石组成，另外有一些基性岩侵入其中。
The subvolcanic rock associated with silver metallization is of continental crust origin, resulted from partial melting of basement rocks.
与成矿有关的次火山岩为陆壳改造型成因，系基底岩石部分熔融形成。
The lateritization and other similar agents accompanied by Tertiary peneplanation enrich the trace amount of gold in basement rocks to a commercially significant extent.
与第三纪时期准平原化相伴的红土化、类红土化作用，使基岩中的微量金富集到具有经济价值的程度。
The historical earthquakes and seismotectonic data of Beijing and surrounding areas are described based on which parameters of input excitations of the basement rocks have been evaluated.
文中研究了北京及其周围地区的历史地震和地震地质资料，并在此基础上估计了基岩运动的参数。
Gallium contents in the bauxite are closely associated to that within the rocks of the basement beds.
铝土矿中镓含量高低，可能与其基底地层岩石中镓含量的高低关系密切。
Precambrian metamorphic rocks constituted the basin basement.
盆地的基底是前寒武系变质岩。
The eastern reef island area, with shallow seawater, is higher parts of Xisha apophysis, where the basement is directly covered with reef facies carbonate rocks.
东部岛礁区为西沙隆起的较高部位，海水较浅，基底之上直接覆盖礁相沉积地层。
The basic control factors to the regular evolution of the structural style are geo-tectonic environment, basement nature, stress state, physical nature of rocks and stage of tectonic evolution.
控制柴达木盆地构造样式规律性的主要因素是区域构造环境、盆地基底性质、应力作用方式和岩石力学性质等。
The compositions and formation history of basement metamorphic rocks are the key to understanding crust evolution.
基底变质岩的成分和形成时代对揭示地壳演化至关重要。
Gold mineralization in the study area is hosted in continental volcanic rocks of Middle Proterozoic, Xionger Group overlying the Archean crystalline basement.
本区金矿化产于太古界结晶基底之上的中元古界熊耳群陆相火山岩中。
The distribution of source rocks are controlled by the sedimentary facies of the Majiagou Formation and the basement tectonics of the basin.
烃源岩的分布受碳酸盐岩沉积相和盆地基底构造所控制。
The river was cut by the world's great flood…and runs over rocks from the basement of time.
大河因为暴雨涨潮而涌向四面八方，在时间的基石中川流不息。
The basement of the basin is composed of the Baimianshi granite and the Xunwu metamorphic rocks. Previous studies indicated that the Baimianshi granite provided uranium for the mineralization.
该火山盆地基底为白面石花岗岩，以前的研究表明是白面石花岗岩为铀矿化提供了成矿所需的铀。
We provide brand new working plan, our machines can turn the troublesome rocks, broken bricks, cement blocks etc into reliable basement for new roads;
我们还提供全新的路政施工方式，我们的机械可以把原来施工人员厌烦的不规则的石块，砖头，瓦砾完全变成新路的扎实路基；
Sedimentation controlled the textures of clastic rocks such as matrix, sorting and rounding, and further affected the texture of primary pores, which served as basement for later dissolution.
沉积作用控制了碎屑岩杂基、分选、磨圆等结构特征，进而控制了原生孔隙结构，为后期溶解作用的形成奠定了基础。
Sedimentation controlled the textures of clastic rocks such as matrix, sorting and rounding, and further affected the texture of primary pores, which served as basement for later dissolution.
沉积作用控制了碎屑岩杂基、分选、磨圆等结构特征，进而控制了原生孔隙结构，为后期溶解作用的形成奠定了基础。
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