As he explains, the Geologic Time Scale is largely based on the stratigraphic record.
他解释说，地质时间尺度很大程度上基于对地层的记录。
Geologic time unit, rock stratigraphic units and time stratigraphic unit.
地质年代单位、岩石地层单位、年代地层单位。
The result provides a foundation of exact time for the high precision stratigraphic subdivision and coal-forming period in Eastern Heilongjiang Province.
这一研究成果为黑龙江省东部早白垩世高精度地层划分对比及成煤期次的确定提供了精确的年代依据。
Since the Lower Pleistocene series in Chongtong basin which is at the north foot of Mufu mountain has not been found for a long time, the Quaternary stratigraphic system appears to be not complete.
位于幕阜山脉北麓的崇通盆地的第四纪地层系统，过去由于没有发现下更新统而有所空缺。
There have been different opinions on the Lower Cretaceous stratigraphic division of the Dongsheng area, on the northeastern margin of Ordos Basin for a long time.
鄂尔多斯东北缘东胜地区下白垩统的地层划分一直存在分歧。
When the name of the Kayitou Formation was made public for the first time, the designated type section conformed the standard of the stratigraphic code.
卡以头组名称在首次公开发表时，指明标准剖面符合地层规范要求。
All these studies on solving the unity of stratigraphic division and correlation and the evolution of sedimentary facies in time and space in whole of South China Sinian is of significance.
这些研究对解决整个南方震旦纪地层划分对比的统一及沉积相的时空演化具有重要意义。
Stratigraphic absorption compensation based on short-time Fourier transform has been developed by analysing the time-frequency distribution characteristics of seismic reflection signals.
本文在分析地震反射波勘探信号时频分布特性的基础上提出了基于短时傅里叶变换的地层吸收补偿方法。
Comparatively it is the first time that the stratigraphic sequence in Chifeng Basin is introduced completely in this paper, and the spore-pollen assemblages have been set up.
作者首次比较完整地介绍了赤峰盆地早白垩世岩石地层层序及孢粉化石组合序列，并对各地层单元的区域对比关系和地质时代归属进行了简要讨论。
Since it can acquire real-time stratigraphic information, LWD is of significance to formation evaluation and geosteering.
由于随钻测井能够实时获得地层信息，随钻测井对于地层评价和地质导向具有重要意义。
Since it can acquire real-time stratigraphic information, LWD is of significance to formation evaluation and geosteering.
由于随钻测井能够实时获得地层信息，随钻测井对于地层评价和地质导向具有重要意义。
应用推荐