湖泊相

流沙港组主要发育辫状河三角洲相和湖泊相两种沉积体系。

Braided delta and lacustrine facies are two major depositional systems developed in Liushagang Fm .

沉积区由西向东依次发育河流相、三角洲相、湖泊相。

River , delta and lacustrine facies are developed in deposited area from west to east .

中三叠统克拉玛依组为河流&湖泊相粉砂质泥岩与砂岩旋回沉积，厚58～121m；

The Middle Triassic Karamay Formation , which is composed of fluvial lacustrine silty mudstone and sandstone , 58 ~ 121 m thick ;

湖泊相沉积体系划分方案及其测井特征讨论

A scheme of division of lacustrine sediments system and its logging features

矿床成因类型为内陆湖泊相大山-沉积型。

Thc genetic type of the deposit belongs to lacustrine volcano-sedimentary type .

湖泊相浊积岩的主要特征及其地质意义

Phase and its significance characteristics of lacustrine turbidites and their tectonic significance

湖泊相软土的边缘地段；

Edge section of lake-phase soft soil ;

在湖泊相沉积的深厚淤泥土场地开挖深基坑，由于坑底卸荷隆起导致基坑边坡位移、失稳是一个常见的技术难题。

In the deep foundation pit of lacustrine thick silt exist many slope displacement and unstability .

可识别出的沉积相类型有冲积扇、扇三角洲、滨湖沼泽及湖泊相。

It can be distinguish from are alluvion fan , fan delta , lakes and lakeside swamp .

措勤盆地唢呐湖组以陆湖泊相为主，划分为扇三角洲、滨湖相和浅湖相。

The Cuoqin basin Suonahu Formation is lacustrine facies and been divided into fan-delta and shallow lagoon facies .

其中以湖泊相、沼泽相为主，河流相次之。

Among them the lacustrine and swamp facies are the primary facies , the second is fluvial 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。

The research showed the sedimentary facies types include lacustrine , fan-delta facies and braided river delta facies .

沉积相可分冲积扇相、扇三角洲相、湖泊相、河流相和沼泽相。

The sedimentary facies can be classified into alluvial fan , fan delta , lake , stream and swamp .

根据粒度参数特征所反映的沉积环境意义，划分出6个沉积阶段，在深度350～296.1m，为河湖交替相沉积环境；296.1～254.1m，为湖泊相沉积环境；

Compartmentalizing 6 deposit phases are made in terms of the meanings of deposit environment reflected by grain-size parametric characteristics .

对侏罗&白垩系的沉积环境进行了分析，初步划分出河流相、湖泊相、冲积扇相三大类型。

The author has analyzed the Jurassic Cretaceous depositional environments and preliminarily recognized the fluvial , lacustrine and alluvial fan facies .

苏维依组为冲积扇&湖泊相砂砾岩和砂泥岩沉积；上第三系吉迪克组以砂泥岩为主夹膏岩，属宽浅盐湖沉积。

Jidike formation of Neogene is composed of sandstone and mudstone and gypsum deposited in wide and shallow salt-water lake evironments .

中生代盆地北部主要为三角洲沉积相，中南部为湖泊相沉积。

The fades of northern basin are mainly delta fades and the fades of middle and southern basin are lacustrine fades .

各旋回或亚旋回的底部不同程度地发育有爆发-沉积相的沉凝灰岩或内陆湖泊相沉积岩。

The tuffites of explosive sedimentary phase or inland lake phase always occur at the bottoms of each cycle or subcycle .

区内发育4种沉积相类型：辫状河三角洲、扇三角洲、近岸水下扇及湖泊相。

They are four sedimentary facies types : braided channel delta , fan-deltaic , near bank and under-water channel and lake facies .

通过对沉积建造特征的分析，认为南海的下旋回大多属充填式沉积，主要由河流一湖泊相沉积组成；上旋回属超覆沉积，主要由浅海相或深海相沉积组成。

By analyses of the sedimentary formation , we suggested that the lower cycle was mostly fill sediments , and mainly fluvial-lacustrine facies ;

蔚县煤田早中侏罗世含煤沉积，主要由河流或湖滨河口三角洲相、湖泊相、泥沼相组成。

The early to middle Jurassic coal-bearing deposition is mainly consisted of fluvial or lakeshore , estuarine delta facies , lacustrine facies and slough facies .

在研究岩石薄片和扫描电镜等资料的基础上，对周清庄油田下第三系湖泊相碳酸盐岩储层的储集条件进行了研究。

Based on the thin sections identification and SEM observation , the lakefactes carbonate reservoir of Paleogene has investigated in Zhouqingzhuang oilfield , Tianjin city .

鄂尔多斯盆地中生界上三叠统延长组是一套以大型内陆盆地为背景、以河流和湖泊相为主的陆源碎屑沉积。

The Yan-Chang formation of Upper Triassic in Ordos basin is mostly detritus sediments derived from rivers and lakes sedimentary environment on setting of inland basin .

湖泊相沉积体系也可划分为4个亚相，即浅湖亚相、半深湖亚相、深湖亚相及湖底扇亚相。

The lacustrine depositional system can also be divided into four sub-facies , i.e. shallow lacustrine , moderate lacustrine , deep lacustrine and sublacustrine fan sub-facies .

同时，归纳出内扇、中扇及外扇相组合，论述了湖泊相浊流沉积的成因及石油地质意义。

Turbidity current deposits of lake facies in northwestern China The origin and significance of petroleum geology of turbid current deposits of lake facies are discussed .

发育的沉积相类型有冲积扇相、河流相、湖漫相、湖泊相、扇三角洲相、三角洲相、湖底扇相和火山岩相。

The sedimentary facies developed mainly include alluvial fan , fluvial , lake flat , lacustrine , fan delta , delta , lake-floor fan and volcanic rocks .

而湖泊相沉积物中，轻组有机质或松结态有机质较多，即有机质与粘土结合得较松散，从而容易从粘土矿物中释放出来。

In comparison , the complex of organic matter with clay in lake sedimentary environment is weak and organic matters are easy to be extracted by alkaline solutions .

详细的沉积学研究表明：晚侏罗世漠河盆地主要发育冲积扇、扇三角洲和湖泊相沉积，属于前陆盆地的陆相磨拉石部分。

Detailed sedimentary research indicates that Late Jurassic Mohe basin contains the alluvial fan , fan-delta and lacustrine facies , belonging to continental molasse deposits of the foreland basin .

河流、湖泊相沉积环境和良好的区域盖层及后期微弱的构造运动形成平缓的构造起伏有利于生物气聚集成藏。

The favorable fluvial and lake facies deposition environment , nice regional overlying rock , the structure relief resulted from upper weak tectonic movement are suitable for biogenic gas accumulation and reservoir .

陆相沉积以河流湖泊相为主，其基本特征有：长期快速沉降的湖相沉积盆地是陆相生油的发育区；

Terrestrial sediments consist mainly of fluvial and lacustrine facies have the following characteristics : Lacustrine basins have undergone a long continuous and fast subsidence and contain many terrestrial source rock sequences ;