
地层划分
Precise and careful stratigraphic classification is the base of all kinds of work.
正确而又精细的地层划分是各项工作的基础。
In the regional stratigraphic classification and correlation, the Lower Tertiary strata are absent in Guyang basin, Inner Mongolia.
在区域地层划分与对比中,内蒙古固阳盆地缺少下第三系。
Using this method can not only avoid subjective random in the stratigraphic classification in single well, but also can give evidence to field horizon tracing.
应用此方法不仅避免了单井分层主观随意性,又对现场层位追踪起到了一定的指导作用。
There are many sequence stratigraphic classification project of Yanchang formation in Ordos basin.
鄂尔多斯盆地三叠系延长组地层层序划分方案较多。
This paper described the distribution of Cambrian strata and proposed a stratigraphic classification plan which accord with actual production.
指出了研究区寒武系地层的展布特征,提出了符合生产实际的地层划分方案;
Production and main cognition:The main method of stratigraphic correlation and classification is cycle correlation.
主要采用旋回对比方法进行对比和划分。
Based on basic shape classification of log curves and expert's experiences in logging stratigraphic correlation, a formal language for stratigraphic correlation is set up.
通过对测井曲线形态基元的划分和对专家利用测井曲线进行地层对比经验的归纳,建立了地层对比的形式语言描述规则库。
Therefore, they can not become an independent and complete stratigraphic classification system.
不能形成独立完整的地层分类系统。
The results revealed that clay minerals and their combination characteristics formed in Jurassic and Cretaceous offered proper evidence for stratigraphic classification and correlation;
结果表明,在侏罗系和白垩系两个不同古环境下形成的粘土矿物及其组合特征,对地层划分对比提供了一定的证据和帮助;
地层学分类(stratigraphic classification)是地质学中用于系统划分和命名岩层序列的科学方法,其核心目的是通过建立统一标准揭示地球历史演变规律。该术语由“stratum”(岩层)与“classification”(分类)构成,主要依据岩性特征、化石组合、形成年代和物理化学性质等指标进行层级划分。
国际通用的地层学分类体系包含三大基础分支:
当前国际地层学分类标准参照《国际地层指南》(International Stratigraphic Guide),该文件由国际地层分类分会定期修订,为油气勘探、古环境重建等应用提供基础框架。我国现行《中国地层指南》同步采用这一分级体系,并在青藏高原等地层复杂区域取得突破性研究成果。
Stratigraphic Classification 是地质学中用于描述地层划分与分类的术语,指根据地层的不同特征或属性(如岩性、化石、形成时间等)将岩层系统划分为不同单位的过程。以下为详细解释:
地层分类主要基于以下三类特征:
如需更深入的术语解析,可参考地质学专业词典或教材(如、4的权威来源)。
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