stratigraphic subdivision

Multiple stratigraphic subdivision and sea level changes of the early Paleozoic in Yangtze Gorges Area

长江三峡地区早古生代多重地层划分与海平面升降事件

The stratigraphic subdivision and correlation of the upper Triassic Series in front of Daba Mountains

大巴山前缘地区上三叠统地层划分与对比

The result is significant to study the geological age and stratigraphic subdivision in Guanjiagou Formation .

这一结果对研究关家沟组地层对比、时代划分提供了依据。

Stratigraphic subdivision and climatic change of the Quaternary of the center Taklimakan Desert

塔克拉玛干沙漠腹地第四纪地层划分与环境变迁

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。

The Biotic Groups and Stratigraphic Subdivision of Late Paleozoic Era in Tengxian Coalfield of Shandong-On Carboniferous-Permian Boundary

山东滕县煤田晚古生代生物群及地层划分兼论石炭二叠系界线

The emphases of this study are the stratigraphic subdivision , correlation and the distribution of Carboniferous and Permian in the coal bed of Jiyang Depression of Shandong .

本文研究的重点是济阳坳陷煤成气的层位石炭、二叠系的划分与对比及地层的残余厚度分布。

The current application of wavelet analysis in sequence stratigraphic subdivision was presented . The applicability of the wavelet conversion of gamma ray curve in the sequence stratigraphic subdivision of the Yanchang formation was analyzed .

介绍了小波分析在层序划分中的应用现状，分析了GR曲线的小波变换在鄂尔多斯盆地延长组层序地层划分中的适用性。

And then some scientific problems are discussed on the stratigraphic subdivision and correlation , the ancient Kuroshio Current in Last Glaciation maximum and the excursion of Kuroshio Current during Holocene Epoch in Okinawa Trough .

讨论地层的划分和对比、冲绳海槽末次冰期鼎盛期的古黑潮流、全新世黑潮流游移等科学问题。

Combined with granularity analysis , characteristics of fluvial sand body morphology and sinuosity of the river , the sedimentation of Guan ( 1 + 2 ) sand sets was defined on the basis of the stratigraphic subdivision and correlation .

在地层划分和对比的基础上，结合粒度分析、河流砂体形态、河流曲度等特征，对孤岛油田馆（1+2）砂层组沉积模式进行了研究。