沉降盆地 的英文怎麼說
中文拼音 [chénjiàngpénde]
沉降盆地
英文
depressed basin-
5 ) quantitative analysis to the dayi conglomerate in the cenozoic longmenshan foreland basin has been carried out. the results indicate that the dextral strike - slip rate is 1. 02 mm / a, the average sedimentary rate is 0. 143 mm / a, and the average decline rate is 0. 3mm / a
5 )對新生代前陸盆地大邑礫巖作定量分析,結果表明,大邑礫巖沉積時期,前陸盆地滑移量為1 . 02mm a ,沉積速率為0 . 143mm a ,平均沉降速率為0 . 3mm a 。We have concluded that the structural movement of the area can be divided into three stages : the stretching stage from simian to early ordovician, the extrusion and rising stage from middle and late ordovician to jurassic and stable depressed stage of foreland basin slope from cretaceous to neozoic
經研究認為研究區的構造運動,主要分為震旦紀到早奧陶世的拉張階段、中晚奧陶世到侏羅紀的擠壓隆升剝蝕階段以及白堊紀到新生代的前陸盆地斜坡穩定沉降階段。The study results can be summerized as following aspects : ( 1 ) the basic settling curve of this basin was broken - line shape of seven sections in which upper jurassic, lower cretaceous, eocene, oligocene and neogene corresponded with the decline ones representing five episodic clear subsidences of this basin, late cretaceous to paleocene and early miocene corresponded with the rising ones reflecting the uplift and denudation of this basin. ( 2 ) the subsidence of this basin migrated from the east to the west, from mesozoic to cenozoic
研究表明: ( 1 )北黃海盆地的基本沉降曲線型式為7段折線狀,其中晚侏羅世、早白堊世、始新世、漸新世、新近紀為曲線下降段,代表盆地5幕較明顯的沉降;晚白堊世古新世以及中新世早期為曲線上升段,反映盆地的抬升剝蝕。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。Liupan mountainous area deposited and toke sediments in huge district in which late triassic has huge thickness, which is similar to that of ordos basin and the water is connected
西緣六盤山地區在晚三疊世-中侏羅世,較大面積沉降,接受沉積,上三疊統厚度較大,可與鄂爾多斯盆地沉積環境比較,當時的水體是相連通的。The tectonic subsidence curves on the southeastern margin of the yangtze plate are drawn out using of backstripping method for the basin formation and evolution. the basins located in the southern margin of the yangtze plate, in the basin dynamic computer simulation, is explored and constituted to be a typical foreland basin which is of not rather high mountain and thermal situation to be lower in this older orogeny belt
在沉積盆地分析方面,基本查明揚子板塊東南邊緣早古生代被動大陸邊緣沉積特徵及沉積構造演化,同時運用反剝法技術對揚子板塊東南大陸邊緣沉積盆地形成,演化的構造沉降動力學進行探討,運用計算機模擬方法,定量動力沉積學對揚子東南邊緣奧陶紀到志留紀前陸地進行計算機模擬分析,探索並建立這個古老造山帶前陸盆定量參數和動態定量模擬。One of the frontier recearch of basin analysis in recent years is to analyze the tectonic subsidence history of depositional basins which occur in orogens at different geohistory stage, and to discuss the geodynamic processes involved with the basins
摘要對造山帶各地史階段的沉積盆地進行構造沉降分析,進而探討其地球動力學過程,是近年來盆地分析的前緣研究之一。Because of the collision of the terranes, the episodic tectonic activity occurred in the orogenic belt, resulting in the episodic subsidence of the basin
受地體碰撞的影響,盆地西緣造山帶發生幕式構造運動,從而導致盆地沉降也發生幕式變化。In the present survey and valuation the area is divided into three parts : exposed karst region in upwarped distric, karst region controlled by folded structures near depressed belts and blinded karst region in fault basins
目前開展的可有效利用的地下水資源調查評價將該區劃分為隆起帶裸露巖溶分佈區、沉降帶邊緣褶皺構造控制巖溶分佈區和斷陷盆地隱伏巖溶分佈區。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 ; sedimentary facies of terrestrial basins are deposited in a ring formation. the best source beds are the continental source beds which contain dark shale
陸相沉積以河流湖泊相為主,其基本特徵有:長期快速沉降的湖相沉積盆地是陸相生油的發育區;陸相湖盆的沉積相帶大都是環狀分佈,暗色泥巖是最佳生油層。Depositional cycles on basin scale have been interpreted as the result of depositional response to tectonism such as episodic rifting, polyphasic compressive flexural subsidence and reversion, and differential subsidence of fault blocks ; while the formation of high frequency sequences was attributed to variation in lake level and sediment supply
盆地規模的沉積旋迴多是盆地幕式裂陷、多幕擠壓撓曲沉降、多期構造反轉、斷塊差異沉降等構造作用的沉積回應;高頻層序單元的發育則主要與湖平面和沉積物供給量的變化有關。The general structure of the basin is marked by the tectonic framework of compressional ramp of the east kunlun mountains and the qilian mountains toward and subsidence of the central part of the basin
盆地的總體結構表現為東昆侖山和祁連山相向向盆地擠壓對沖,盆地中部沉降的構造格局。The phase of reservoir formation can be the period when the basin is the subsidence such as the reservoir of shixi 2 well, shi 002 well, shi nan 4 well, cai san 2 well in zhungeer basin, tuo 76 well ; the phase of being reservoir can be the period when the basin is the uplift such as the reservoir of songliao basin, miyang basin, dongpusag, eerduosi basin, yaqi basin
油氣的成藏期可以在盆地沉降期,如準噶爾盆地石西2井、石002井、石南4井、彩叄2井的油氣藏;也可以在抬升剝蝕期,如松遼盆地、泌陽盆地、東濮凹陷、鄂爾多斯盆地、焉耆盆地的部分油氣藏。The sedimentary water is the carrier and main driving force of petroleum migration and accumulation, which controls the fluid movement and appears centrifugal flow from the center to edge of basin, while penetrated water formed by infiltration of atmospheric precipitation and surface water appears centripetal flow from the edge to center of basin by gravity process
沉積水是油氣運聚的載體和主要動力,對盆地流體的運動起控製作用,由盆地中心向盆地邊緣呈離心流;滲入水由大氣降水和地表水的滲入產生,受重力作用由盆地邊緣向盆地中心呈向心流。Three sets of source rocks had been formed juring the steady sinking of the basin. the first source rock, being clay and calcium clay stone in tiemulike formation of permian was formed in deep lake environment ; the second source rock, being clay stone in xiaoquangou group of middle to upper triassic was formed in the offshore and the shallow lake environment ; and the third source rock, being coal beds in badaowan formation of lower jurassic was formed in the lake - swamp environment. the first one is the most potential, since it has the biggest thickness, the highest organic matter abundance, high maturity and the highest hydrogen generating capacity
在盆地穩定沉降時期,相應地形成三套烴源巖,即上二疊統鐵木里克組( p _ ( 2t ) )深湖、半深湖相泥巖、泥灰巖;中上三疊統小泉溝群( t _ ( 2 - 3xq ) )濱淺湖相泥巖及下侏羅統八道灣組( j _ ( 1b ) )湖沼相煤系地層。The sedimentary facies of the jurassic penglaizhen formation in the studied area can be described as follows : from the edge of the basin, the source of deposition, to the center of the sedimentation are alluvial fan facies fluvial facies fan delta facies delta facies lake facies and lake floor fan facies in turn
研究區侏羅世蓬萊鎮期沉積盆地的沉積相類型分佈,從盆緣近物源區至盆地沉降-沉積中心區依次為沖積扇、河流相、扇三角洲相、河控三角洲相、湖泊相和湖底扇相等沉積體系。By using the standard deviation method, the scaling properties described by the local fractal dimension d and crossover length tc of 48 measured landform profiles in different direction of 6 different studied landform sections are calculated
負反饋機製表現的越明顯;對于以構造沉降作用為主的盆地區而言,各個方向的地形剖線的分維值均顯示出小於1 . 5的正反饋機制。Several lines of evidence, including studies on geochemistry of trace elements and rare earth elements, isotopes ( s, c, o, d, and pb ), and fluid inclusions, suggest that the main ore - forming materials were scavenged from the contemporaneous sediments and that the fluids were predominantly derived from deep circulated basin brines, recharged by meteoric water, and ancient seawater
微量元素、稀土元素、同位素( s 、 c 、 o 、 d 、 pb )和流體包裹體特徵表明成礦物質來源於同沉積的賦礦圍巖,成礦流體系大氣降水為主要補給源的深循環盆地鹵水和與沉積物發生了同位素交換的埋藏古海水。It belongs to nacl - h2o - co2 system. the ore - forming element assemblage is as - sb - cu - ni - u with high contents of as and sb. the stable isotope data show the metallogenic fluid comes from the mixture of magmatic water with meteoric water and stratum water
流體中成礦元素組合為as - sb - cu - ni - u ,總體上具較高的sb , as含量;穩定同位素特徵表明成礦溶液主要來自巖漿水與大氣降水、沉積盆地地層水的混合。The tuha basin, which evolvement of conformation is periods of time, is a extrusion petroleum basin
吐哈盆地構造多期發育演化,多旋迴沉降,是一個疊合擠壓性的含油氣沉積盆地。分享友人