地层界线

全球变化生物迁移和地层界线&论希腊雅典地区第四系底界

Global Changes , Biota Migrations , and Stratigraphic Boundary Discuss the Quaternary Boundary in Athinai Region , Greece

基于DEM的地层界线V字型法则实现

Realization of the V-like rule on stratum boundary based on DEM

文章分析探讨了基于不规则三角形网的地层界线求取思路，并通过实际例子对V字型法则给以实现，结果证明该方法执行速度较快、精度高。

V-like rule is often used to draw stratum boundary . This article gives a detailed analysis on the process and actual examples , which proves good appearance and high precision .

海相二叠系、三叠系生物地层界线划分的新方案

A new scheme of biostratigraphic delimitation between marine Permian and Triassic

地层界线上灾变事件标志和成因的探讨

Inquiring into Indicators and Origin of Catastrophic Events at Stratigraphic Boundaries

事件地层学&建立地层界线的基本原则和方法

Event Stratigraphy-the Basic Principle and Method for Establishing Stratigraphic Boundaries

地层界线划分的思想方法

The method of thinking on defining stratigraphic boundaries stratum

二叠-三叠系界线层的牙形刺与生物地层界线

Conodonts of Permian-Triassic boundary beds and biostratigraphic boundary

华南二叠-三叠系界线研究应严格区分事件地层界线与生物地层界线。

Eventostratigraphic boundary and biostratigraphic boundary have to be clearly distinguished in the study of the Permian-Triassic boundary in South China .

显生宇中最重要的三个地层界线是前寒武系寒武系界线、二叠系三叠系界线和白垩系第三系界线。

In the Phanerozoic , there are three major geological boundaries : Precambrian / Cambrian , Permian / Triassic and Cretaceous / Tertiary .

统计识别地层界线是根据地质剖面特征，应用地球物理综合系列测井资料自动识别地层界线的一种统计方法。

Based on the characteristic of geological section , this method is used to identify stratigraphic limit automatically by a series of comprehensive geophysical data of wells .

讨论了层序地层学理论在优化年代地层界线层型的作用，认为在海相地层中，层序的初始海泛面应该是选择全球界线层型剖面点的一个重要参考标准；

The function of sequence stratigraphic theory on reasonable chronostratigraphic boundary stratotype is discussed , and the first marine-flooding surface is an important reference standard in choosing the global boundary stratotype in the marine facies stratum ;

摘要从总结陆相侏罗－白垩纪地层界线的研究成果和工作方法入手，结合国际地层委员会“修订准则”和国际地层指南的规定，论述了建立“陆相层型”的紧迫性、理论和方法。

Theory , methods and urgency of establishing the Terrestrial Stratotype are discussed based on the study of the stratotype candidate of terrestrial Jurassic-Cretaceous boundary , luanping , northern Hebei province , compared with " revised guidelines " of the ICs and stipulation of the International Stratigraphic Guide .

中国非海相三叠纪生物地层及其界线研究

Nonmarine Triassic biostratigraphy and boundaries in China

黔南、桂西北石炭、二叠纪之交的生物地层及其界线

The biostratigraphy and boundary between the Carboniferous and Permian in Southern Guizhou and Northwestern Guangxi

从层序地层学角度论岩石地层单位界线的厘定与优化

Revision and modification of lithostratigraphic unit ′ s boundary from the angle of sequence stratigraphy

为了客观反应我国奥陶系的特点，同时便于与全球年代地层单位界线对比，建议将上述各个阶底界的的界线依次划在R。

In order to reflect the regional characteristics of the Ordovician of China and also to be easy to correlate with the global Ordovician boundaries of series and stages , the bases of 6 stages mentioned above are successively fixed at the base of the R.

榆社组磁性地层的年代与界线

The age and boundary of magnetic strata of the Yushe formation

本文报道了黑龙江嘉荫白山头地区一条新的地层剖面及其K/T界线的初步研究。

A geological section recognized newly in Baishantou of Jiayin , Heilongjiang Province , China , was studied preliminarily in searching for the K / T boundary .

应用基本岩石地层单元作为识别岩石地层的标准，可以赋予岩石地层单位的界线、时间、形态及区域分布以相对稳定的概念；并使地层描述实现科学的简化。

When the element of rock strata is applied to distinguish lithostratigraphic unit as a type , it will give the boundary , shape , regional distribution and chronology of the lithostratigraphic unit a steady concept , and achieve the scientific simplicity of stratigraphic description .

高分辨层序地层的基准面旋回转换面与地震层序界面共同构成一个等时地层格架，在古生物化石限定一段地层的时代之后，地层界线就以基准面旋回转换面为依据。

The interface of the base level cycle of high-resolution sequence stratigraphy and the seismic sequence boundary jointly make up of an isochronous stratigraphic frame . After dating a member of stratum , using palaeontological fossils , the stratum borders can be determined according to the base level .