This paper gives descriptions to biostratigraphy of Cretaceous sedimentary basins and egg fossils from these basins; 文中还介绍了我国白垩纪几个沉积盆地的生物地层和一些具有特色的蛋化石种类;
The sedimentary environment of the chert reflects the tectonic setting of the small oceanic basin in Late Jurassic. 硅质岩的形成环境反映了该陆缘小洋盆在晚侏罗世所处的构造背景。
Researchers analyzed trace elements in sedimentary rock from dozens of sites. 研究者们分析了来自许多不同地方沉积岩中的痕量元素。
There is no integrated analysis software of sedimentary facies at present both at home and overseas. 目前在国内外都还没有系统的沉积相综合分析软件。
The division of sedimentary microfacies of this block indicates that the reservoir bed mainly consists of channel facies. 通过对沉积微相的划分表明,储层主要为河道相。
Research focuses on various types of sedimentary basins and their tectonic mechanisms of formation. 研究主要集中在各种类型的沉积盆地的构造和形成机制。
Pyroclastic rocks are a kind of transitional and complex rocks between lavas and sedimentary rocks. 火山碎屑岩是介于溶岩和沈积岩之间的过渡类型岩石,岩类复杂。
These characteristics can be used to study sedimentary facies and guide oil exploration. 利用这些地震响应特征可研究沉积相,并进一步指导石油勘探工作。
The sequence architecture and sedimentary facies evolution in the studied area are controlled mainly by sea-level change. 区内的层序结构和沉积相带演化主要受到海平面变化的控制。
Stratigraphic and structural traps abound in most sedimentary basins. Thus oil is not an unusual geological product. 在大多数沉积盆地中,构造圈闭和地层圈闭是很多的,所以石油并不是一种不常见的地质产品。
Danxia Landforms consist of red sedimentary rock and steep cliffs. 丹霞上由红色的沉积岩和陡峭的山崖组成。
Sedimentary environment and tectonic movement have great influence on abundance and thermal evolution extent of organic matters. 沉积环境和构造运动对有机质丰度和热演化程度影响较大。
The study of sedimentary research is important to petroleum exploration, analysis of reservoir quality and tectonic evolution. 沉积相研究是油气勘探、储层质量评价、盆地构造演化的基础和有力手段。
The analysis of measured data and sedimentary records shows that strong contour currents occur in the Bay of Bengal. 实地观测和对沉积记录的研究表明,孟加拉湾存在强大的等深流活动。
Sedimentary rocks can be classified according to their composition and texture. 根据成分和结构是可以将沉积岩作进一点划分。
Sedimentary pyroclastic rocks are mainly sedimentary tuff and sedimentary volcanic breccia. 沉火山碎屑岩,包括沉凝灰岩和沉火山角砾岩。
Sequence and Depositional Architecture of Sedimentary Basin and Process Responses 沉积盆地的层序和沉积充填结构及过程响应
This paper thinks that the micro-stalactite is fresh-water sediments from which sedimentary features and genesis. 本文通过分析古喀斯特微型钟乳石的沉积特征和成因机制,认为是地表淡水渗流形成。
Different sedimentary facies have different logging responses. 不同的沉积相有不同的测井响应。
Sedimentary rocks show pollen in very deep," Precambrian "strata. 水成岩指出了前寒武层的花粉传授。
A Study on the Sedimentary Paleogeography of the Late Jurassic and Cretaceous in the Mid-Yangtze Area 中扬子区晚侏罗世和白垩纪沉积古地理研究
Based on the rule of sedimentary compensation, the formation thickness coefficient is applied to study tectonic movement. 根据沉积补偿原理,提出地层厚度系数研究构造运动的方法,并分析了其研究步骤及适用范围。
The sedimentary rocks did not dome. 沉积岩没有形成穹丘。
Stocks, dykes etc. can be placed in simple sequence with the sedimentary rocks. 岩株,岩墙等可以按其与沉积岩的简单顺序放在图中。
It is the first time to apply this method to study sedimentary facies of the Paleocene-Miocene in the Qaidam Basin. 这是首次将定量的沉积相研究方法应用于柴达木盆地的古新统至中新统。
The research showed the sedimentary facies types include lacustrine, fan-delta facies and braided river delta facies. 通过研究表明,研究区下白垩统腾格尔组主要发育扇三角洲相、辫状河三角洲相、湖泊相。
They formed in continental faulting basins and their sedimentary facies mainly include river, delta and fan delta. 其形成环境主要为陆相断陷盆地的河流、三角洲和扇三角洲。
There are two types of sedimentary facies in this region: the alluvial fan and the braided fluvial river. 结绿素-红山地区古新统至中新统发育2种沉积相类型,即冲积扇和辫状河。
Electrofacies analysis is a method by which sedimentary facies are evaluated or explained using well logging information. 利用测井资料来评价或解释沉积相的方法称为测井相分析。
Here we present the carbon-isotope signatures of gases from the Western Canadian sedimentary basin. 这里我们展示了加拿大西部海域沉积盆地气体中的碳同位素特征。