sedimentary rocks

U-Pb Ages and Hf Isotopes of Detrital Zircons of Nanhua Sedimentary Rocks from the Yangtze Gorges: Implications for Genesis of Neoproterozoic Magmatism in South China

扬子克拉通南华纪碎屑锆石U-Pb年龄、Hf同位素对华南新元古代岩浆事件的指示

Scaled physical modeling investigated structures formed during thick-skinned contractional salt tectonics in a foreland fold-and-thrust belt. Dry quartz sand simulated brittle sedimentary rocks, and viscous silicon polymer simulated viscous rock salt.

尺度物理实验用干石英砂和聚合硅树脂为实验材料，模拟了前陆褶皱冲断带厚皮缩短盐构造，并与薄皮缩短盐构造及无盐层的褶皱冲断带构造模型进行了对比。

Study on the application of JGT type light-pen image analyser to the determination of sedimentary rocks

JGT型光笔式图像分析仪在沉积岩研究应用中若干问题的探讨

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。

The authors made a discussion on the thermometamorphism of sedimentary rocks and their organic matters in the area, according to the magmatic activities and their tectonic environment.

在分析岩浆活动特征及其形成的构造环境的基础上，探讨了研究区沉积岩系及其中有机质的热变质作用。

The host rock belongs to volcanic rocks or volcanic-sedimentary rocks in the upper part of ophiolite suite;

容矿岩石为蛇绿岩套上部火山岩或火山&沉积岩系；

Their original rocks are volcanic rocks, epicontinental clastic sedimentary rocks, and ophiolite of volcanic and island arc tholeiitic series or calcium alkali series.

其原岩岩石类型有火山岩，陆缘碎屑沉积岩，火山、岛弧拉斑系列或钙碱系列火山岩、蛇绿岩等。

This paper deals with the relation between tectonic evolution and geochemical facies by a new method of measuring redox potential of sedimentary rocks.

本文用测量沉积岩氧化还原电位的新方法，研究了构造发展演化与地球化学相的关系。

the jurassic lithology of the three gorges reservoir is continental lake facies sedimentary rocks, the colors of which are mainly fuchsia, maroon, or red brown, so the jurassic stratum is often called "red bed" by domestic academe.

三峡库区侏罗系岩性为内陆湖相碎屑岩建造，外观颜色主要为紫红色、褐红色或棕红色，因此国内学术界称之为红层。

Sedimentary rocks are thus tagged by the fossils which they contain.

沉积岩就这样以它们所含的化石作为鉴别的标记.

sedimentary rocks

沉积岩

Pyroclastic rocks are a kind of transitional and complex rocks between lavas and sedimentary rocks.

摘要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.

The hydrothermal sedimentary rocks developed in the Devonian have higher Au contents.

泥盆系中发育热水沉积岩，含Au较高。

It was shown that the amphibolite was transformed from oceanic tholeiitic basalts and the leptynite was converted from acidic sedimentary rocks.

结果表明，该区的斜长角闪岩是由大洋拉斑玄武岩变质而成，变粒岩则是由酸性沉积岩变质而成。

A Study of Event Message-bearing Sedimentary Rocks of the Proterozoic Dahongyu Formation from the Ming Tombs District, Beijing

北京十三陵元古宙大红峪组含事件信息的沉积岩研究

The upper crust is mainly composed of slates, phyllites, schists, granulite of greenschist facies ( partly low-amphibolite facies) and granite intrusions, and sedimentary rocks at the top.

上地壳主要为绿片岩相（部分低角闪岩相）的板岩、千枚岩、片岩、变粒岩以及花岗岩组成，顶部为沉积盖层。

The present situation and trend of sedimentary rocks studying in the Soviet Union

苏联沉积岩石学研究现状及动态

The Application of MATLAB in Calculation of Mineral Contents in Clastic Sedimentary Rocks

MATLAB在碎屑沉积岩矿物含量计算中的应用

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.

According to the hydrogeologic conditions, the water permeability and accumulation in the area with crystalline and sedimentary rocks and the major faults, there is less possibility for occurrence of tectonic earthquake of Ms ≥ 4. 0 in the Changjiang Three-Gorge Reservoir area.

从三峡水库区结晶岩区、沉积岩区和主要断裂的水文地质条件，即渗透性、聚积性看，未来三峡库区发生M s≥4.0级构造型水库地震的可能性均较少。

volcanic/igneous/sedimentary, etc. rocks

火山岩、火成岩、沉积岩等

OHF dielectric properties of the sedimentary rocks

超高频（UHF）范围内沉积岩的介电特性

The equation appears to be valid for a wider range of sedimentary rocks.

这个方程式看来适合于相当大的一部分沉积岩.

Contact metamorphism between granitic magma and sedimentary rocks, such as carbonate rocks and clastic rocks, occurred strongly in or near the contact area where skarn-type copper, tin and polymetallic ore bodies were formed in the same stage.

已有工程揭示花岗质岩浆与寒武系碳酸盐、泥砂质岩石发生了较强的接触交代作用，并在接触带附近产生矽卡岩型铜锡多金属矿（化）；

The results indicate that the composition of post _ Archaean sedimentary rocks of NCC is not uniform.

结果表明,华北克拉通后太古宙沉积岩组成并不均一.

Obviously the distribution of the reservoir rocks are controlled by sedimentary micr of acies.

另外，储集岩石类型的展布明显地受沉积微相的控制。

Key points: texture, structure and classification of sedimentary rocks.

重点: 沉积岩的结构 、 构造和分类.

Preliminary study on the spore-pollen assemblages found in the Cenozoic sedimentary rocks in grove mountains, East Antarctica

东南极格罗夫山地区新生代冰碛岩（物）中孢粉的发现及其意义

the pimple came to a head before bursting. the sedimentary rocks did not dome.

丘疹长成脓包后才破裂。沉积岩没有形成穹丘。

Low-lying areas tend to be formed of granite or sedimentary rocks.

低洼 地区大致上由花岗岩及沉积岩组成.