lake delta 中文意思是什麼
lake delta
解釋
湖泊三角洲-
Eustatic lake level and source change had resulted in intercalation development in braided delta system
湖面的升降和物源的擺動使辮狀三角洲沉積體系中發育夾層。 -
On the east terrace - fault slope of the depression, the sedimentary mode of fan - shaped delta - slump turbid fan - deep lake facies are developed. on the long axial direction of fula depression, the southeastern groove was filled with a large scale delta which was the main sources, the other little delta limited by the 3 syndepositional fault was distributed down the slope edge of the northern sub - depression. this stage developed a favorable oil sources, reservoir and regional seal which formed the good matching relations of generation, reservoir and seal in the time - space zone
Abugarbra組的sc和sd層序發育在邊界斷層和同沉積斷層活動劇烈、湖盆擴張期，凹陷中心發育半深湖-深湖相沉積，在凹陷陡坡發育近岸水下扇，斷階緩坡帶發育扇三角洲?滑塌濁積扇?深湖相組合，長軸凹槽和北部次凹的北部緩坡帶發育三角洲體系，此層位是有利生油層和巖性圈閉發育層段。 -
Besides, the sedimentary facies of upper ganchaigou and lower ganchaigou formation were also mapped in supersequences which are the main target strata for exploration. the high resolution sequence stratigraphic framework showed the genetic relationship between the distributions of sedimentary facies and their tectonic settings. the near - source sedimentary systems such as subaqueous alluvial fan and lake - floor fan are often deposed in rise - hemicycles in the steep slope background in the north, the coarse lithology of fan - delta prograded from north to south in fall - hemicycles, and the braided stream facies are formed in the rise - hemicycles in gentle slope background in the south, braided stream facies prograded from sorth to north in the fall - hemicycles, but the lacustrine facies and salt lake facies developed in the middle part of the area
詳細的沉積相研究發現，紅獅地區第三系發育有沖積扇、水下沖積扇、河流、三角洲、扇三角洲、湖泊和湖底扇7種主要沉積相類型，並對作為區內主要勘探目的層系的下乾柴溝組和上乾柴溝組進行了以超層序為單位的沉積相平面編圖，以較高的時間解析度揭示了區內沉積相帶的平面展布及其在不同構造背景中的分佈規律，比如在北部的凹陷陡坡背景下，上升半旋迴低水位期通常發育有水下扇、湖底扇等陡岸近源特徵的沉積體系，下降半旋迴高水位期，扇三角洲相粗碎屑巖由北向南進積;在南部的凹陷緩坡背景下，上升半旋迴主要發育辮狀河流相，下降半旋迴辮狀河三角洲相由南向北進積;而中部紅柳泉一獅子溝一帶則為湖泊相沉積和鹽類沉積。 -
Grain - size characteristics and sedimentary environment in the lacustrian deposit of chaohu lake, the yangtze delta region
長江下游巢湖湖泊沉積物的粒度特徵與沉積環境 -
The south part was slope and deep floor of the lake, and the north part was a broad shallow - water platform of the latchstring shore. in the north part, chang - 6 and chang - 7 oil - bearing beds of yanchang formation were typical shallow - water platform delta with an incomplete progradational sequence, in which the delta plain facies were well developed and the river - mouth bars were not developed
受沉積基底地形的嚴格控制，發育于淺水臺地背景上的延長組長7 ?長6油層組表現出典型的淺水三角洲沉積特徵，具有發育的三角洲平原沉積，而前緣河口壩不發育，剖面上難以形成完整的進積序列。 -
The variations in trace element contents and ratios may hold up a mirror to the lake - level fluctuations and climatic changes, which, in turn, have exerted a direct and important effect on the sequence stratigraphic development. collectively, the reservoir rocks from the yanchang formation consist dominantly of the delta front subfacies subaqueous distributary channel and channel - mouth bar microfacies and delta plain subfacies subaerial distributary channel microfacies fine - grained feldspar sandstones and siltstones. the reservoir rocks have been subjected to three stages of diagenetic and porosity evolution : ( 1 ) the porosity reduction by the mechanical compaction and chemical pressure solution during the early diagenetic stage ; ( 2 ) the porosity increase by the dissolution during the a substage of the late diagenetic stage, and ( 3 ) the porosity reduction by the cementation and filling during the b substage of the late diagenetic stage
系統的儲層特徵研究表明，該區延長組儲層成因類型主要為三角洲前緣水下分流河道、河口砂壩及三角洲平原水上分流河道微相細粒長石砂巖、粉砂巖；儲層巖石經歷了壓實，膠結，溶蝕等成巖作用，歷經早成巖機械壓實和化學壓溶孔隙縮小期、晚成巖a亞期溶蝕作用孔隙擴大期及晚成巖a亞期（ b亞期）膠結充填孔隙縮小期三個成巖-孔隙演化階段；儲層物性總體上具有較低孔滲、低孔滲的特點，孔隙類型主要為粒間溶孔、殘余粒間孔隙、粒內溶孔、晶間孔及晶間溶孔，裂縫不發育，儲集巖排驅壓力和中值壓力較高，孔隙結構類型以細小孔-微孔隙，微細喉-微喉型為主。 -
Based on the detailed research on the sedimentary rocks of northwest ordos basin in their textures, structures, vertical sequences and logging response, six kinds of sedimentary facies can be recognized in this work, i. e., alluvial fan, stream, fan delta, braided delta, delta, lake, barrier beach and carbonate platform, respectively, and more detailed classification of sedimentary subfacies and microfacies for each sedimentary facies are also made in the work
本文通過對鄂爾多斯盆地西北部沉積巖沉積結構、沉積構造、垂向序列及測井響應的深入研究，識別出沖積扇、河流、扇三角洲、辮狀河三角洲、曲流河三角洲、湖泊、障壁海岸及碳酸鹽臺地等8種沉積相類型。在此基礎上，對每一種沉積相又進行了詳細的沉積亞相和微相的劃分。 -
The sedimentary facies show a depositional evolution from the deep - water sediments through shallow - water sediments to the continental sediments, including alluvial fan, river, lake, delta ( tide - dominated ), barrier coast, shallow sea, deep sea and volcanic debris flow deposits
在沉積相上，經歷了從深水沉積到淺水直至陸相沉積的演變，發育有沖積扇、河流、湖泊、三角洲（潮汐） 、障壁海岸、淺海、深海和火山碎屑流沉積。 -
And the delta genetic unit includes distributary channel, distributary bay, small lake of delta plain, swamp, distributary estuary bar, frontal delta mud and sandy density flow and so on. the fluvial system is composed of channel, channel side and flooding basin
其成因相包括分流河道、決口扇及決口河道、分流間灣、三角洲平原小型湖、沼澤、分流河口壩、前三角洲泥及砂質重力流等；該區河流體系由河道、河道邊部及泛濫盆地等沉積組合構成。 -
From the beginning of sq9 ' s development, the sedimentary environment turn to be lake basin bog. with water becoming shallow, coal seam appeared in lowstand system tract, delta plain and delta front are the main sedimentary bodies in highstand system tract
從層序9開始，水體開始變淺，向湖沼環境過渡，低水位體系域和水進體系域出現了煤線，高水位體系域以三角洲平原及三角洲前緣沉積為主。 -
Fan - delta sedimentation formed under the environment of lake level frequently varying taking the first member of kongdian formation, huanghua depression as an example
以黃驊坳陷棗園油田孔一段沉積為例 -
In the basin, there were some different sedimentary systems - river sedimentary system, lake sedimentary system, the delta sedimentary system, fan delta sedimentary system and alluvial fan sedimentary system
三塘湖盆地沉積地層中發育不同的沉積體系?河流沉積體系、湖泊沉積體系、三角洲沉積體系、扇三角洲沉積體系和沖積扇沉積體系。 -
It was mainly river sedimentary system in early jurassic period, lake sedimentary system and delta sedimentary system in middle - later jurassic period and there are fan delta sedimentary system and alluvial fan sedimentary system in the edge of basin
早侏羅世以河流沉積為主，中晚侏羅世整個盆地以湖泊沉積體系和三角洲沉積體系，邊緣區出現扇三角洲沉積體系和沖積扇沉積體系。 -
In the chronstratigraphic framework, the facies, the depositional system and the principle and range of reservoirs distribution are studied. the main depositional system is braided delta ? ub - lake fan. the coarse lithofacies which form braided delta depositional system is sub - water channel deposits ; the coarse lithofacies which form the sub - lake fan depositional system include turbidity channel deposits and bedded turbidity deposits
在等時地層格架內，總結了各個中期旋迴的沉積相類型、沉積體系和展布規律及范圍，認為研究區在該時期以辮狀三角洲?湖底扇沉積為主；構成辮狀三角洲的粗碎屑相為水下分支河道；構成湖底扇的粗碎屑相包括：濁流水道相、層狀濁積巖相。 -
We suggest that the favorable reservoir facies within ganchaigou formation in west qaidam basin are delta front facies, fan - delta front facies, dam - and - beach facies of the littoral and shallow lake, lacustrine floor fan facies and carbonates facies
強調了三角洲相前緣、扇三角洲相前緣、濱淺湖灘壩、湖底扇以及碳酸鹽巖沉積是西部地區乾柴溝組有利的儲集巖相帶。 -
In yanchang formation period, the environment is favorable to the development of the lake delta
摘要靖安油田延長組長6段儲層為湖相三角洲前緣砂體。 -
The seawater thereafter withdrawed southward away from the area, and form abundant stream, lake and delta deposit in shanxi stage and the early shihezi stage and stream, lake and bog deposit in the late shihezi stage and shiqianfeng stage
隨后，海水向南退出本區，並在山西期、石盒子早期形成廣泛的河流、湖泊和三角洲沉積，在石盒子晚期和石千峰期形成河流、湖泊和漫灘沼澤沉積。 -
This text utilizes the sedimentation and petroleum geology theories, makes use of outcrop, well drilling and analysis datum, studies deeply sedimentary facies and microfacies in chang - 6 to chang - 8 oil - bearing layers of triassic period at longdong region in e ' erduois basin. the sedimentary facies include three type : alluvial fan, lake delta, lake and their corresponding parfacies and microfacies. the spreading of the delta has been detailed researched
本文運用沉積學、石油地質學理論，充分利用露頭、鉆井和測試分析資料，對鄂爾多斯盆地隴東地區三疊系延長組長_ 6 ?長_ 8層位的沉積相、微相進行了深入研究，劃分出沖積扇，河流、河湖三角洲、湖泊四種相及其對應的亞相、微相；並對研究區三角洲的展布進行了詳細研究。 -
Origin and association types of lake delta front sandstones and their distribution patterns of triassic yanchang formation in ordos basin, china
陜甘寧盆地姬塬地區三疊系延長組三角洲前緣的微相組合及特徵 -
Lake delta depositional systems appear from lower permian shanxi to middle permian xiashihezi phase, braided river delta in shanxi phase with delta plain subfacies sedimentary deposit, and so early xiashihezi, meandered river delta plain subfacies in later xiashihezi group
（ 2 ）下二疊統山西組中二疊統下石盒子組為湖泊三角洲沉積體系，其中山西期為網（ braided ）狀河湖泊三角洲，以三角洲平原亞相沉積為主，下石盒子組早期也為網狀河三角洲、晚期為曲流河三角洲平原沉積。
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