地质的

Comprehensive studies show that the albitite was formed by intrusive_metasomatic activity of alkali fluids (a kind of special magma or solution).

通过野外宏观调查和室内测试分析，对这些钠长岩的产状、地质背景、岩石化学和地球化学特征进行了综合研究。

Main causes and countermeasures for prevention and control of anthropogenic geologic disasters are discussed in the paper.

本文通过大量事例阐述了人为地质灾害产生的主要原因及其防治对策。

Through the analysis of factors relating to aquiferous features, contact with water, groundwater recharge, run-off , discharge and groundwater chemical characteristics, we determine the hydrogeological conditions in the NO.

通过对大南湖煤田一井田含水层特征、水力联系、地下水补给、径流与排泄及地下水化学特征等因素的分析，确定该井田水文地质条件类型，为矿床开采提供依据。

Through the analysis of factors relating to aquiferous features, contact with water, groundwater recharge, run-off, discharge and groundwater chemical characteristics, we determine the hydrogeological conditions in the NO.1 mine field and suggest a basis for deposit exploition.

摘要通过对大南湖煤田一田含水层特征、水力联系、地下水补给、径流与排泄及地下水化学特征等因素的分析，确定该井田水文地质条件类型，为矿床开采提供依据。

In 1875, Canada Geology Survey Bureau organized a survey to conduct inspections on the oil sand resources in Athabasca areas.

1875年，加拿大地质调查局组织考察队对Athabasca地区的油砂资源进行考察。

An attemptable study is done on the combination of ANN with Fractal Geostatistics.

对人工神经网络与分形地质统计学的结合进行了尝试性分析。

In order to find out the noble metal resources urgent needed,coordinated with gold prospecting,the method of induced polarization was successfully used to find the auriferous fault alteration zone,and delineated its position in detail,which was testified by the drills later.

为寻找中国急需的贵金属资源，配合地质找金工作，在第四系覆盖层上，用激电方法成功地找到含金断裂破碎蚀变带，并圈定其具体位置，后经钻探验证而打到了含金矿体。

The USGS has already measured more than 40 aftershocks above a 4.0 magnitude (including a 5.9 and 5.5 magnitude) and many more below that, Bedwell said.

贝德威尔说。美国地质勘探局已经估计将有4.0级以上（包括5.9级和5.5级）余震40多次，还有许多震级更低的余震。

Previous studies have showed that bicyclic alkanes and MMAs biomarkers in sediment are related to the parent material import of Botryococcus braunii.

前人研究表明，葡萄藻可能是地质体中两环倍半萜和单甲基支链烷烃的重要母质来源。

Several cases of roof bolting application in various mining and geological conditions were described.

在不同的采矿地质条件下，进行了多种顶板锚固应用研究。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。