Abundance of mercury in crust,rocks and loose sediments;
汞在地壳、岩石和疏松沉积物中的分布
Crustal structure and its features in the northwest margin of Bohai bay and adjacent areas;
渤海湾西北缘及其邻近地区地壳结构与构造特征
Crustal S-wave Q estimated from M_L amplitude I:attenuation in different tectonic regions of China;
利用M_L振幅研究地壳横波Q值I:不同构造区的衰减特征
During the electrodes buryied beneath the shallow earth surface were supplied with direct current, the electric-field distribution in anisotropic earth crust could be calculated by applying image method and electrostatic analogue method in electromagnetics.
以垂直于介质主轴方向的平面作为两种介质的分界面研究,对埋在较浅地表中的直流电极,以及其向大地供电而引起的各向异性地壳中的电场分布。
There is a low velocity-high conductive layer in the mid-crust of the Songliao Basin.
松辽盆地中地壳有一低速—高导层(也称塑性层),中地壳的塑性层与松辽盆地的成因以及盆山耦合系统有关。
Through studies on the crustal movement in Himalayan orogenic period, paleoclimate change, types and contribution of source bodies, the geologic characteristic of the laterite gold deposit, it is believed that neotectonic period was the main mineralizing epoch for the laterite gold deposits in southern Hunan.
通过对区内喜马拉雅构造运动阶段地壳运动、古气候变化特点、矿源体类型及分布、红土型金矿床地质特征等方面的研究,认为该阶段的新构造运动期为湘南红土型金矿的主成矿期。
The viewpoint includes the study of the regularity of the earthquake using the overall concept of crustal movement,the forecast of earthquake using the overall concept of earthquake forecast,the pision of the active tectonic system and the study of tecto.
笔者在追忆李四光地震科学和防震减灾指导思想的基础上,提出了以系统整体观指导防震应急的新论点,包括:运用地壳运动整体观研究地震规律;应用地震预测整体观进行地震预测;划分活动性构造体系,研究构造活动性;加强综合监测,研究各种地震前兆和相关的自然变异的发展趋势;圈定地震风险区,制定防震应急预案等。
The analysis result shows that the crustal movement of Zhangjiakou-Bohai fault zone is the strongest in the Capital Circle region.
利用GPS资料,采用聚类分析方法分析张家口-渤海断裂带(简称张渤带)的活动性,分析表明:张渤带是首都圈地壳运动最强烈的断裂带。
Asthenosphere、middle crust and basin-mountain system;
软流层、中地壳与盆—山系
Middle crust is located at 15～25km depth,where high conductance layer and low velocity layer distributed.
对于地壳的地球物理详细探测发现中地壳普遍存在着高导层和低速层。