淺水沉積 的英文怎麼說
中文拼音 [jiānshuǐchénjī]
淺水沉積
英文
shallow water deposit- 淺 : 形容詞1 (從上到下或從外到里的距離小) shallow 2 (淺顯) simple; easy 3 (淺薄) superficial 4 ...
- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 沉 : Ⅰ動詞1 (沉沒; 墜落) sink 2 (沉下 多指抽象事物) keep down; lower 3 [方言] (停止) rest Ⅱ形容...
- 積 : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
- 沉積 : [地] deposit; sedimentation; deposition; precipitation
-
The lacustrine carbonate rocks in the wudaoliang group consist of boundstone ( stromatolite ), micritic limestone, grainstone and micritic dolostone which were laid down in the shallow - water to bathyal, high - salinity and enclosed to semi - enclosed lake systems
五道梁群湖相碳酸鹽巖分為生物粘結灰巖(疊層石) 、泥晶灰巖、顆粒灰巖與泥晶白雲巖四大類,反映出沉積環境為一個具有淺水半深水、高鹽度、半封閉封閉特點的綜合湖泊系統。The lower part formed in a littoral - epeiric environment, is a series of elastic rocks, partly contains carbonate rock and metamorphic basic volcanic rocks and the upper part formed in a bathypelagic environment is a series of sediments with chert, partly contains metamorphic basic volcanic rocks
其下部為一套濱淺相碎屑巖,局部夾碳酸鹽巖、變質基性火山巖;上部為一套深水沉積巖系夾硅質巖,局部夾變質基性火山巖。The depositional environment of the upper paleozoic in the ordos evoluted from the epicontinental sea to the fluvial - delta. the change of the depositional environment and eustacy controlled the main depositional systems in the research area
上古生界沉積環境演化過程總的是由陸表淺海逐漸變為陸相的河流?三角洲,海平面升降和海水進退控制了區內主要的沉積體系和沉積相類型。Benthic foraminifer fauna, ams14c dating and acoustic sub - bottom profile was analyzed in the core ey02 - 2 and ey02 - 1 drilled from the muddy deposit in the middle southern yellow sea and the mid - shelf of north east china sea. considering the results of core qc2 ? dz4 and the standard oxygen isotope curves, we discussed the late - quaterenary paleo - environment evolution, benthic foraminifer fauna, paleo - climate, the climate events and water mass in postglacial period, average sedimentation rates, paleo - water depth, origin of sediments, average sea level rise rate in the shelf of south yellow sea and east china sea. at last we discussed the condition of sea level rise in the east china, green house effect and the protection of coastal zone
本文根據南黃海中部泥質區和東海中陸架的兩個鉆孔巖芯的古生物、 ams ~ ( 14 ) c測年、淺地層剖面等,參考qc _ 2 、 dz _ 4成果及標準氧同位素曲線探討了黃東海陸架晚第四紀古環境演化、底棲動物群特徵、古氣候、冰後期以來氣候事件、古水團、沉積速率、古水深、沉積物源、海平面平均上升率,討論目前中國東部海平面上升的狀況、溫室效應及海岸帶保護。Assemblage ) represented the coastal shallow - water environment ; factor 2 ( protelphidium tuberculatum assemblage ) represented the alongshore cold - water current area or cold shallow sea environment ; factor 3 ( elphidium magellanicum assemblage ) represented the sh allow sea ( < 20 - 30m depth ) deposit ; factor 4 ( ammonia ketienziensis assemblage ) represented the shallow - sea water more than 50m depth ; and factor 5 ( buccella frigida assemblage ) represented the colder - water sea environment ; and the distribution of factor load accorded with the character of benthic foraminifer community
Q型因子分析揭示ey02 - 2孔5種有孔蟲組合,分別對應濱岸鹽沼環境、黃海沿岸流冷水分佈區、高潮坪淺海沉積環境、水深大於50m的現代淺海環境及較冷的沉積環境。因子載荷的分佈與有孔蟲群落特徵吻合較好。南黃海有孔蟲含量? ?水深轉換函數關系式有一定的局限性,並不能在南黃海陸架地區推廣使用。In middle and late periods of the early permian, the pre - caspian areas rose successively, the climate became dry, and the environment turned to be supratidal zone ( evaporitic environment ), resulting in the spread sedimentation of salts and the formation of the salt sediment group ( the upper part of the lower permian ) which consists mainly of halite and anhydrite
早二疊世中後期由於持續構造抬升,盆地氣候變得乾旱,海水變淺,潮上帶蒸發環境發育,以致這一時期廣泛發育鹽類沉積,形成含鹽層系,主要由鹽巖和硬石膏層構成,並形成許多大小不等的鹽丘構造。Typical sedimentary structures of tempestite, such as radiate and imbricate arrangements of strip dolomitic limestone gravels, grading beddings and ripple beddings are presented in the succession, indicating its accumulation in a shoreline environment
該風暴沉積的底面侵蝕構造清楚,長條形白雲質灰巖礫屑具放射狀構造或疊瓦狀構造,並發育渠鑄模、粒序層理和小型波狀層理等沉積構造,為典型的淺水風暴巖。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 coqen basin in xizang lies between the bangong - nujiang suture zone and yarlung zangbo suture zone, and once extended northwards and southwards, respectively centred by the qiekan - goicang - asog rift zone as the center of deposition and subsidence during the middle jurassic to the early creatceous. ( 1 ) during the middle - late jurassic, the rift zone was occupied by deep - water turbidites, radiolarian siliceous rocks, shallow - water carbonate rocks, clastic rocks and basic - ultrabasic rocks, while both sides of it by littoral and shallow marine elastic rocks and carbonate rocks
摘要位於班公湖怒江縫合帶與雅魯藏布江縫合帶之間的措勤盆地,在中侏羅世早白堊世期間具有以且坎古昌阿索裂谷帶為沉積、沉降中心向南北兩側展開的古地理格局:中晚侏羅世時期,裂谷帶內由深水濁積巖、放射蟲硅質巖和淺水碳酸鹽巖、碎屑巖巖片及基性超基性巖等組成;裂谷帶兩側由濱淺海相碎屑巖和碳酸鹽巖組成。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。According to observing the core and well logging facies analysis, yanchang 4 + 5 sector to yangchang 3 mainly developed underwater distributary channel, river mouth bars, underwater natural levee, underwater crevasse splay, interdistributary bay, far bars, etc. and some shallow lake subfacies
根據巖芯觀察以及測井相分析,認為長4 + 5 ?長3期以水下分流河道、河口砂壩、水下天然堤、水下決口扇、分流間灣和遠砂壩等沉積微相以及部分淺湖亞相沉積為主。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。Being primarily controlled by northwest faults, cretaceous of jiyang depression contained several isolated basins, and lake levels of these isolated basins were instable, but on the whole, shore and shallow lake sub - facies is in the majority
北西向斷層的活動對沉積起到主要的控製作用,在其控制下,白堊紀濟陽坳陷為一相互分割的山間盆地,湖盆范圍時大時小,湖水深度不斷變化,總體湖水較淺,主要發育濱淺湖亞相。The comparison of the component particles of baijiaziu profile and mafangtan profile with that of modern flood plain substance of weihe river indicates that the river impetus of weihe river has gradually been getting weaker, which reveals that it has gradually been getting dryer since the last 1300 years
西安高陵白家嘴河流沉積物粒度隨深度的變化及其與渭河現代河漫灘沉積物粒度特徵的對比表明,渭河近1 3ha來有流量減少,流速減慢,水深變淺的發展趨勢。The upper layer sediment of core q43 in the outshelf of the southern east china sea shows that it is the regressive sequence of littoral facies to offshore facies and of representative significance
以q43巖心為代表的東海南部外陸架上層沉積物,是末次冰期海退層序中,濱岸相-濱外淺水相沉積。Water body is shallow and sediments are coarse in lst and hst, but in tst, being deep and fine
低水位體系域和高水位體系域水體較淺,沉積較粗,而湖進水位域則水體較深,沉積較細。5. platform trough and basin with deep water and low energy are the favorable source rock zones, reef banks and reef cores are the profitable reservoir. and the strata which is dolomitized is the main gas yielding parts
5深水低能沉積的臺溝、盆地相是有利的生油巖相帶,淺水高能的礁灘、礁核相是有利的儲層,產氣段主要是生物礁內的白雲巖段。Chang - 6 oil - bearing beds, one of the most important oil - bearing beds in yanchang formation, is a set of progradational deposits, which is formed by rivers pouring into the shallow - water platform of the lake after the greatest transgression in chang - 7 stage
作為陜北延長組主力油層之一的長6油層組,是在長7最大湖進之後形成的淺水三角洲背景下,山河流注入充填而成的一套水退型沉積。Were found in the margin around the basin. lucaogou fm. was mainly composed of thick dark mudstone, micritic limestone, argillaceous dolomite, which reflected a shallow to fairly deep - lake sedimentary formation
蘆草溝組在盆地內部發育厚層暗色泥巖、泥晶灰巖、泥質白雲巖等,反映陸相淺一半深水沉積建造。Deposit characters have fine succession, however, because of the underwater distributary channel ' s movement and migration, the scale of the shallow deposits and delta front deposit were different
沉積作用都有很好的繼承性,但淺湖沉積分佈范圍以及三角洲前緣砂體的規模和展布特徵隨著水下分流河道的遷移和擺動而有所不同。分享友人