Concentrators in geological sciences elect either geology or geography.

主修地学的学生要选修地学或地理课程。

The students went to study the geology of that region.

学生们去研究那个地区的地情况。

In his lecture on geology, he touched on the subject of climate.

他在关于地学的报告中, 也涉及气候问题。

Alkalescent granites and gold-related silication and argillation are geological prerequisites for the formation of noticeable gold deposits.

摘要偏碱性花岗岩及与金的成矿活动有关的硅化、粘土化蚀是黑刺沟金矿田规模金矿床存在的地前提。

Dolores R.Piperno Phytolith Analysis:an Archaeological and Geological Perspective.Academic Press,Inc.(USA).

多洛雷·派潘诺[美],姜钦华等译,植硅石分析--在考古学和地学中的应用,北京大学出版社.

Wernerians thought strata were deposits from shrinking seas, but James Hutton proposed a self-maintaining infinite cycle, anticipating uniformitarianism.

沃纳里恩认为地层是收缩的海洋的沉积物，但詹•顿提出了一个自我维的无限周期，促进了地论的发展。

The students of the geological class will be out on field exploration for the duration of the school year.

地班的学生将把本学年的全部时间用作野外勘探。

Basing on the field perambulation and information collection, 107 typical mines in Liaoning Province were evaluated with Analytic Hierarchy Process.

在现场勘察和资料收集的基础上，运用层次分析方法对辽宁省107个典型矿山地环境现状进行的综合评估。

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

它们产出的地特征表明，岩石圈相对地幔对流体，续或幕式地向西滑移。

To reduce subjective factor in geostatistical modeling,non-parametrical geostatistics has become popular.This paper presents four kinds of variogram model for non-parametrical geostatistics.

为了减轻人为因素在创建模型中的作用,非参数的地统计学得到发展,文章重点介绍了非参数地统计学的4种异函数模型。

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的湖沼相沉积环境、特定的地、地形条件为地下水砷异常的原因。

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

要认识和重建某个地历史时期盆地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形，即反序构造分析法。

It even results in geologic hazard;for the mine geologic hazard,the background of physiognomy is the potential factor,while the irrational exploitation is the magistral factor.

矿山地灾害的发生，地地貌背景是诱发的潜在因素，不合理的开采方法是诱发的主导因素，降雨和水文条件是激发灾难发生的直接原因。

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地特征及不匀风化现象,以及该层的地基承载力。

Based on the macroscopic characteristics, microstructure and fabric of the tectonite in the Yingxin fault zone,this paper proves that there are two types of tectonite, i.

依据龙门山中段映秀断裂带构造岩的宏观地特征、显微构造及组构特征，论证了构造岩具有脆性和韧性两大类型，形成序次上为先韧性后脆性。

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，建设工程得到了迅速发展，随之而来的是不良地条件的迅速增多。