The mines had been closed down following a geological survey.

继一次质调查之后,这些矿井已被关闭。

The workers skirted the edge of the cliff on a geological survey.

工人们沿着崖壁作一次质勘察。

Concentrators in geological sciences elect either geology or geography.

主修质学的学生要选修质学或理课程。

Biochronology The measurement of geological time using biological events.

使用生物学事件来测量质学时间。

In the geological condition of shallow buried, soft rock, and carst, et al. the mother rock of these kinds of tunnel must be paid attention in the whole construction stage.

在浅埋、围岩软弱、岩溶等复杂质条件下，这类隧道在不同施工阶段围岩的稳定性问题备受关注。

With the increasing of national economy and the accelerating of cityward course, the project of construction makes a rapid progress,then companied with the increasing of inferior geological condition.

随着国民经济的增强、城市化进程的加速，建设工程得到迅速发展，随之而来的是不良质条件的迅速增多。

This paper indicates the reasons of establish member and introduces its origin and stratotype section, as well as its extend and correlation.At last, its geological age is discussed.

文中阐述建段的理由，介绍名称来源、层型剖面、层的延伸，质时代。

So the distribution and the content of conglomerate were different, and its geological phenomenon in the data of drilling, outcrop, logging and seismal section in different area.

发现因保山盆主控断层的西边在盆演化过程中一直处于隆升状态,从而造成不同带砾岩的分布和含量存在差异,在钻测井、震资料中的体现也不相同。

On basis of this model, the modeling methods and modeling flow were discussed based on data source of geological observation, drillhole, ichnography and section map.

在此基础上，探在基于质观测数据、钻孔数据、平面图数据、剖面图数据的断层建模方法和建模流程。

Large scale planar geological mapping, profiling survey and microfabric analyses proved that lithophysa structure was developed in rhyolite in Yingcheng coal mine area, Jiutai City.

摘要通过大例尺平面质续图、剖面测量和显微组构分析，九台营城煤矿区流纹岩中石泡构造发育。

This paper introduces the geological features and the unhomogeneous weathering phenomenon of coral reef limestone of Sudan Port Area,and the bearing capacity of this layer.

简单介绍苏丹港区珊瑚礁灰岩的质特征及不均匀风化现象,以及该层的基承载力。

The ANN starts with simulating cerebric visual thought, and it has wide application foreworld for geological information of underground engineering,taking on strong buzzing, fuzziness, nonlinear.

神经网络方法从模拟人脑的形象思维入手，于处理具有强噪声、模糊性、非线性的下工程质信息，它具有广阔的应用前景。

Then use antitone structural analysis method to recognize and reconstruct the primary tectonic structure and sedimentary feature of a basin in certain geological history.

要认识和重建某个质历史时期盆的原始构造格局和沉积特征，就必须除去后期叠加的构造层和构造变形，即反序构造分析法。

In Tiger Leaping-gorge region, endogenic and exogenic geological processes are very prominent, and in different reaches the deformed and failured masses develop dissimilarly.

金沙江虎跳峡区内、外动力质作用十分显著，岸坡变形破坏体的空间分布具有鲜明的段性。

Reserves geological and microtectonics fe ature play important control function of remnant oil distribution.Taking the Se ries as a whole, it is eviden...

从整个层系看前缘席状砂微相始终控制着剩余油储量,应作为挖潜的重点之一。

We propose that As anomalism in groundwater possibly resulted from the combined effects of organic matter-enriched lacustrine sediments, geological setting and topographical characteristics.

通过研究，可以看出以还原环境为主的富含有机质的湖沼相沉积环境、特定的质、形条件为下水砷异常的原因。

Geological radar is a non-destructive test instrument that detect the underground objects by the quality of discontinuousness of the underground medium.

质雷达是一种通过利用下介质的不连续性来探测下目标的无损检测工具。

Fluorine is an important trace bio-essential element.Its deficiency or excess related to geological setting can cause organism distortion or supersession abnormality.

氟是重要微量生命元素,原生环境中氟过量或缺乏均会导致机体畸变或代谢异常。

Geochron Laboratories was the first laboratory to provide high quality isotopic analyses to geological and archaeological communities on a comercial basis.

质年代实验室是首家商务运作的、可为质学和考古学团体提供高质量的同位素分析的实验室。

Geological charact eristics at their locations show continuous or pulsive westward slipping of lith osphere with respect to convection cell.

它们产出的质特征表明，岩石圈相幔流体，持续或幕式向西滑移。