查询词典 biostratigraphy

Biostratigraphy is one of the basic and widely applied branches in stratigraphy.

生物地层学是地层学中最基本的也是应用最广泛的一个分支学科。

Seismic, sequence, and biostratigraphy of deepwater deposits

不同的金饰之间并无必然的关系。

Micropaleontological experts An and Lee from China and Korea respectively, made an important contributions to the study of conodonts and biostratigraphy for their countries.

微体古生物学家安太庠和李河荣分别为中国和韩国的牙形学及其生物地层学研究做出了重要贡献。

The biostratigraphy of Cretaceous/Tertiary boundary sections from eight localities is summarized and compared in order to define a continuous or complete section.

本文总结了八个地区白垩纪—第三纪界线的生物地层资料，试图确定一个完整的连续剖面。

Correlations of strata can be aided by studying their fossil content, a discipline called biostratigraphy.

地层对比可由研究其中所含化石而得到助益，此一学科即称为生物地层学。

Such a sequence strati-graphic system has been constructed for the first time in the Paleozoic strata in the northern part of the Tarim basin, which mainly depends on the study of outcrop sequence stratigraphy combined with the results of seismic stratigraphy and biostratigraphy.

本文以露头剖面的层序地层研究为主要依据，结合生物地层和地震地层的研究成果，在进行详细层序划分的基础上，在塔里木盆地北部古生代地层中建立起了由不同周期叠加的海平面变化所控制的不同级次的层序所组成的层序地层系统。

The aim of the investigation is to build up a more precise stritigraphic sequence and a corresponding environmental index based on a combination of evidence in the research of petrology, biostratigraphy, paleomagnetism, sedimentation, and isotope.

在结合岩石及生物地层、古地磁、沉积环境、碳氧同位素等研究方法的综合证据基础上建立较精确的地层层序及其相对应的环境指标。

The construction of the biostratigraphic database involves all geologic ages and countrywide biostratigraphic databases, and it can strengthen the techno-support function of the basic discipline and promote the development of biostratigraphy.

建设涵盖各地质断代和全国范围的古生物地层学数据库，加强基础学科技术支撑作用，促进学科发展。

A geological time scale based mainly on both biostratigraphy and radiometric dating created stratigraphic refulgence, but at the cost of lowered accuracy and preciseness and weakened function of serving the human society.

以生物地层学为基础并与放射性同位素定年技术相结合建立的、以百万年为计时单位的地质年代表既创造了地层学的辉煌，也在一定程度上降低了地质学对精确数字定年的不懈追求和为人类社会服务的功能。

And furthermore basing on the marks of biostratigraphy and chronostratigraphy and relatively reliable isotopic age of the 14 3rd-order sequences associated with time-space match relation of biostratigraphy and sedimental system, the formed time limits of the 3rd-order sequences is calculated primarily as 1.5-3Ma, mainly appearing at 2Ma.

进而，结合生物地层及沉积体系的时空匹配关系等多方面的综合分析，对14次三级海平面升降事件的生物地层和年代地层的标识和参考已发表的同位素年龄数据，初步估算出三级层序的形成时限为1.5-3Ma，集中出现在2Ma。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失