淺海沉積 的英文怎麼說
中文拼音 [jiānhǎichénjī]
淺海沉積
英文
neritic 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 ...
- 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...
- 淺海 : [地] shallow sea; epeiric sea; epicontinental sea淺海帶 [地質學] neritic zone; 淺海地帶 sublittor...
- 沉積 : [地] deposit; sedimentation; deposition; precipitation
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Based on available data, the study on regional structure, sedimentary reservoir and source rock characteristics shows that the basins in south china sea had experienced sedimentary evolution in faulting period and depression period, deposited thick cenozoic formation, upwardly developed alluvial fan facies, river - lake facies coastal swamp facies coastal facies, neritic facies and bathyal deposit system, regionally had 3 source rocks of eocene, oligocene and miocene, 3 reservoirs of pre - cenozoic basement buried bill, oligocene sandstone and miocene reef, with pliocene and pleistocene neritic facies and bathyal shale as regional caprock
摘要以現有資料為基礎,通過對區域構造、沉積儲層、烴源巖特徵等基礎石油地質條件研究,認為南海海域各盆地經歷了斷陷期和坳陷期沉積演化,沉積了巨厚的新生代地層,自下而上發育了沖積扇相、河湖相、濱岸沼澤相、濱海相、淺海相、半深海相沉積體系,區域上存在始新統、漸新統和中新統3套烴源巖,前新生代基巖潛山、漸新統砂巖、中新統生物礁3套儲層,區域蓋層為上新統和更新統淺海半深海相泥巖。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。According to the regional geology and the character of the lithofacies and well - logging facies, 4 kinds of sedimentary facies and 3 kinds of depositional system : marine system, delta system and fluvial system have been identified. the sedimentary facies of taiyuan formation is marine faceis, up to sanxi formation, the sedimentary facies is delta facies, the xiashihezi formation hel and he2 member are braided river facies, he3 member is meandering river facies. the mains types of sandstone of taiyuan formation are lithic quartzarenite and quartzarenite ; the mainly types of sandstone of sanxi formation and xiashihezi formation is litharenite
通過對20餘口井2000多米巖心的觀察和對40幾口井的測井數據解釋、對比,在研究區目的層段識別出了12種基本巖相和9種測井相類型,在區域沉積背景和單井相劃分的基礎上,根據巖相和測井相組合特徵,在太原組?下石盒子組劃分出4種沉積相和若干沉積微相,並進一步劃分為3類沉積體系:濱淺海沉積體系、三角洲沉積體系和河流沉積體系。These geomorphic units of paleogeography constitute the basic model of paleocontinent, littoral - neritic sea and carbonate plateform at that stage, and this depositional model is similar to the pattern of the east china continent and ocean, which is the result of evolution during the past long geologic age
這些古地理地貌單元構成了湖北省泥盆紀時期古陸濱淺海和碳酸鹽巖臺地的基本沉積模式,這種沉積模式與現今中國東海大陸、海洋格局基本一致,亦是經過了漫長地質歷史時期演化,而形成現今這種格局的。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。For estuary - shallow marine and estuary sand bars, became the sedimentary conditions are no longer favourable, no sand ridge sediments were formed
對于河口灣淺海沉積和河口灣砂壩沉積而言,由於沉積條件不再有利,沒有形成沙脊沉積。Sediments from this period are represented by the carboniferous marble of yuen long and ma on shan. the sandy and muddy sediments of the permain rocks of tolo harbour are of alternate marine and continental deposits
巖土其後遭淺海淹沒,沉積物不斷積聚,元朗和馬鞍山的石炭紀大理巖,便是這個時候的產物。分佈於吐露港的二疊紀砂巖和泥質巖,則屬海陸交互沉積而成。Along with the eroding mountains and sediment filling the seas, smaller bits of the continents - islands and archpelagos - are drawn closer to the continental edge and compressed onto its margins
山上沖洗下的沉積物填充了大陸架上的淺海,為大陸增添了更多的陸地。大陸版塊築造運動在活動帶移動大陸塊,重復著大陸塊的構成。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。By comparing with the strata of " holocene series of the coastal plain of laizhou bay " and combining 14c age measurement, the strata position and features of the lagoon ? hallow sea ? each sedimentary facies are confirmed. the stratigraphic division of upper marine facies of holocene is done and the sedimentary environment of every stratum is affirmed
通過與「萊州灣濱海平原全新統」進行地層對比並結合~ ( 14 ) c測年數據,確定了該沉積區全新世瀉湖?淺海?海灘相沉積層的層位和特徵,並對該層及其以上地層進行地層劃分,判斷出各層的沉積環境。The effects of sediment parameters on the multi - path structure in shallow water are investigated in detail. a method of dividing the multi - path arrival time differences into groups is presented. theoretical analysis for the method is given
詳細研究了沉積層聲速、密度和衰減系數變化對淺海多途到達結構的影響,提出了對多途到達時延差進行分組的研究方法,從理論上對該方法進行了研究。The sediments of the incised valleys show an upward - fining succession, and can be grouped into four sedimentary fades : gravel lag - deposit of in - channel to partly over bank sediments of a meandering river, flood plain - estuary, estuary - shallow marine, and estuary sand bar, based on lithology, paleontology, and sedimentary textures and structures
根據巖石學、沉積結構和沉積構造特徵,本區下切河谷充填沉積物具有向上變細的沉積層序,可以劃分為4個沉積相類型:河床滯留沉積物到部分曲流河沉積體系的邊灘沉積、河漫灘河口灣沉積、河口灣淺海沉積和河口灣砂壩沉積。In the meantime, the bohai sea year answer the deposit that one year the ground accepts fluvial silt, deposit result makes again the bohai sea becomes shallow gradually
同時,渤海年復一年地接受河流泥沙的沉積,沉積的結果又使得渤海逐漸變淺。The effects of sound field by sediment in shallow water
關于淺海沉積層對聲場影響的討論On the basis of realizing the sedimentary system and tectonics, the authors think the sedimentary fades of the taiyuan formation is barrier island, beach and delta facies in tabamiao area in the north of orcios basin by observing cores, analyzing lithofacies and log facies
摘要在了解區城沉積背景的情況下,綜合運用巖心觀察、巖相分析、測井相分析等手段,確定鄂爾多斯盆地北部塔巴廟區塊太原組為有障壁海岸沉積體系和無障壁海岸沉積體系的濱淺海相沉積與湖泊三角洲相沉積。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。So far lots of studies have focused on sediment in deep sea and semi deep sea, but little on sediment in shallow sea
迄今為止,沉積物顏色反射率的研究多集中在深海-半深海,對淺海沉積物鮮有涉及。分享友人