地质时间

一个沉积间断是地质时间的总间隔。

A hiatus is the total interval of geologic time .

从地质时间的尺度来看，近来人类活动引起的地球变暖现象是相当突然的，巨大的冰盖这才刚刚开始有所反应。

On a geologic time scale , the recent , human-induced planetary warming has been quite sudden , and the huge ice sheets have only just started to respond .

从TGA热分解动力学原理计算干酪根热降解成油地质时间-温度关系的方法

Calculation method of geological time-temperature relation of kerogen thermo-degradation and oil-generation by TGA thermo-degradation kinetics

介绍了地质时间序列随机模型及研究时间序列相关关系的频谱分析方法，给出了显著周期检验的Fisher准则。

The random model of the geological time series and the spectral analysis method used to study its correlation are introduced , and the Fisher crieria for testing the significance periods of the time series are given .

（分类学）发生于同一地质时间的。

( of taxa ) occurring in the same period of geological time .

大型、超大型矿床在空间上和地质时间上分布既有趋群性，又有不均匀性和不连续性。

The space-time distributions of large , super-large deposits show clusterity , asymmetry and discontinuity .

对石油勘探而言，把地质时间引入我们的推论是最重要的。

The introduction of geological time into our reasoning is of prime importance for petroleum exploration .

生物演化与地质时间&从系统地质学时空观看地层学的发展美国人的时间观

Organismic evolution and geological time & comment on development of stratigraphy from time-space outlook of systems geology

将压力封闭层定义为在某一地质时间内，能够维持异常流体压力存在的地质体和地质作用的总和。

A pressure seal is defined as the total of geological bodies and processes capable of maintaining the abnormal pressure during some geological time .

这也意味着，短期来看……这里的短期我是指五千万年，这在地质时间中不过是一眨眼。

And that means , over the short term ... uh ... and by short term I mean 50 million years , that 's a blink of the eye in geological time .

巴东县杨家坪地区出现地面塌陷等地质灾害时间已有十多年，且日益严重。

Geological hazard such as land surface collapse was firstly found in Yangjiaping area ten years ago , and it has become increasingly worse in recent years .

成矿年代学以成矿地质年代时间维为主线，应用地质构造、岩石、矿物、矿床和同位素地质等多学科综合技术方法，在四维时空上研究成矿地质历史演化和规律。

Metallogenic chronology is a way to study the history of metallogenic evolution and metallogenic laws of 4 dimension time space , particularly metallogenic time dimension , by using the metallogenic dating results and the synthetic method such as tectonics , petrology , mineralogy , ore deposits , isotopic geology .

R型因子分析可通过研究地质变量在时间和空间上的组合、变化和分布特征而形成地质概念，并恢复地质过程，指示物质来源。

The R-factor analysis method can be used to produce geological concepts , restore geological process and predict origin of ore-forming materials by studying the association , variation and characteristics of distribution of geological variables in space and time .

在地质方面的时间观念来看，一百万年是很短的时间。

In geological time , a million years is recent history .

试论工程地质作用的时间尺度问题

Discussion about Time Scale of Engineering Geological Process

地质灾害发生时间和空间的预测预报

Time and spacial predicting of geological hazards occurrence

地球系统科学的发展，对于地质过程的时间度量提出了新要求。

Development of Earth system science calls for new approaches to time measurement of geological processes .

对三维地质模型进行时间轴切片，就对某一时刻的地质意义做出解释。

The geologic significance at a time can be explained by time-scale slice up according to 3D geologic model .

在四维地质学的概念中，地质过程可用时间链来描述。

In terms of concept of 4D geology , the geologic process could be described as the time chain .

并通过奥运工程勘察实例详细分析了该方法在复杂的浅海人工回填区域中不同的填入物与地质体在时间剖面上所展现的各种不同波形特征。

Using an Olympic project as the paper analyzes various waveform features in the seismic imaging profiles , which are relevant to different backfills and geologic bodies in complex neritic backfilled areas , a prospecting example .

与蛇绿岩形成、演化相关的各地质事件发生的时间可以对蛇绿岩的形成时代进行约束。

The sequence of some geological events related to the formation and evolution of ophiolite can give the restriction on its geologic ages .

冷却年龄只能限制变质-变形事件发生的时间区间，不能真正代表地质事件的发生时间。

Cooling ages are only restricted within the time range of occurrence of an event of metamorphism-deformation and cannot represent the real time of occurrence of a geological event .

降雨和人类工程活动决定着不同地质灾害类型在时间上发生的频率和密度，是地质灾害形成与发生的主要诱发因素。

The stratum and lithology are the basic internal factors , human activity and rainfall are the stimulative factors which to be responsible for the rate and time of the genesis of hazards .

瞬变电磁方法是一种建立在电磁感应原理基础上的，通过分析提取并研究人工源激励下地质体的响应信息，达到探测地下地质体目的的时间域人工源电磁探测法。

Transient electromagnetic is a time-domain detection method which is built on the basis of the principle of electromagnetic induction . It detects the underground geological body by analyzing , extracting and studying inspired geological information in response to artificial electromagnetic source .

其主要内容包括：（1）通过对研究区的自然地理及工程地质环境条件的分析，归纳总结出公路沿线地质灾害的时间、空间分布规律及主要特征。

Its main content includes : ( 1 ) Through to studies the area the physical geography and the engineering geology environmental condition analysis , summaries the road along the route geology disaster time , the spatial distribution rule and the main characteristic .

岩层厚度的计算是野外地质工作内业整理和地质分析中的一项经常性工作，传统的工作方法往往要花费地质人员大量的时间和精力。

Strata thickness calculation is a routine work in office operation and geological analysis after field operations , while the traditional calculation may spend geologists a lot of time and strength .