cretaceous system 中文意思是什麼

cretaceous system 解釋
白堊系
  • cretaceous : adj. 白堊(質)的。 cretaceous period [system] 【地質學;地理學】白堊紀[系]。n. 〈C-〉 【地質學;地理學】白堊紀[系]。
  • system : n 1 體系,系統;分類法;組織;設備,裝置。2 方式;方法;作業方法。3 制度;主義。4 次序,規律。5 ...
  1. Distant effect of jurassic collisions of qiangtang terrane, lasa terrane and paleo - pacific land onto the eurasian land made east qinling - dabie mountains in a compressional circumstance for a long time, and suppressed its orogenic extension ; whereas, cretaceous late - collisional extension and appearance of west pacific trench - arc - basin system relieved east qinling - dabie mountains of external compression, instantly result in violent orogenic lithosphere delamination - extension and depressurized - calefactive melting, and consequently, led to the formation of large scale early cretaceous granitoids and intermediate - acidic volcanic rocks

    羌塘地體拉薩地體和西太平洋古陸在侏羅紀與歐亞大陸拼貼碰撞的遠距離效應使東秦嶺大別造山帶長期處于擠壓環境,伸展作用被抑制白堊紀的碰撞晚期伸展和西太平洋溝弧盆體系的遠距離效應使東秦嶺大別地區的外部擠壓消失,導致造山帶巖石圈迅速強烈拆沉伸展和減壓增溫熔融,從而形成大規模早白堊世花崗巖類和中酸性火山巖。
  2. Kongxi buried hill shows following features in the seismic profiles : the structures are asymmetric. there is flexural syncline on the east side and a monocline on the west side. asymmetric repetition of stratigraphic units is present in the drill wells and the dips of beds and faults are gentle. the permo - carboniferous system of both sides almost lie in the same slope and the events of cambrian or upper proterozoic are continuous from east to west. the phenomenas suggest that kongxi buried hill could be a thrust belt been traced which consists of reverse faults. the imbricate faults mainly effect pre - jurassic strata. there are obvious angular unconformity between jurassic - cretaceous system and paleozoic involved deformation of thrust. the thrust front in some place has cut off the beds of jurassic - cretaceous system. the structural style of the thrust structure changes along the strike of the kongxi buried hill

    地震和鉆井資料揭露的孔西構造帶前第三系潛山的地質特徵可以歸納為:構造帶總體上不對稱構造帶內部有地層重復現象石炭二疊系地層的位置明顯高於兩側的同一地層的高度。用由34條向東傾斜的逆沖斷層組成的疊瓦扇構造模式能夠比較合理地解釋上述地質特徵。該帶向東傾斜的逆沖疊瓦狀斷層組主要影響前侏羅系地層,侏羅白堊系與捲入逆沖構造變形的古生界地層之間有明顯的角度不整合。
  3. Because of yizheng orogeny in late cretaceous, braided delta system of anfeng was formed by rifling in subei basin and rising of sedimentary base level

    摘要受晚白堊世儀征運動的影響,蘇北盆地拉張斷陷,沉積基準面上升,從而形成了比較完整的安豐退積型辮狀三角洲沉積體系。
  4. The upper cretaceous jingzhushan formation in the biru basin, xizang consists of a succession of coarse - grained elastic rocks in the alluvial fan - fan delta depositional system, intercalated with intermediate - acidic volcanic rocks including dacite, andesite, quartz trachyandesite and rhyolite

    摘要上白堊統競柱山組為一套沖積扇扇三角洲沉積體系的粗碎屑巖,間夾由英安巖、安山巖、石英粗安巖和流紋巖組成的中酸性火山巖。
  5. Yanqi basin is stituated between tarim basin and tarpan - harmi basin. its petrolenm system underwent the formation and destruction during jurassic - cretaceous, the activation and reconstruction during tertiary - quaternary

    焉耆盆地位於塔里木盆地和吐哈盆地之間,其含油氣系統經歷了侏羅紀-白堊紀的形成與破壞階段和第三紀-第四紀的活化與再建階段。
  6. Firstly, it constructs ekgcsdb based analyzed region all groundwater hydrochemistry data, then based on ekghsdb it conducted secondary developing and realized erdos cretaceous groundwater hydrochemistry analysis system ( ekghas ) seeing mapgis as developing platform, it took advantage of many tools and methods in the course of realization, for example, visual c # computer language, mapgis65 developing technology and ado technology etc. the system can complete not only basic database management, figure display and query but isoline form function

    在全面分析了研究區水化學資料的基礎上,首先構建ekghsdb ,接著以mapgis為基礎平臺,通過使用visualc #語言,利用mapgis65組件式開發技術與ado技術,以建成的ekghsdb為基礎,進行了二次開發並實現了鄂爾多斯盆地白堊系地下水水化學空間數據庫分析應用系統(以下簡稱ekghas ) 。
  7. According to the synthetically study of remnant stratum list, sediment system. character of sediment filling, comeback of archetypal basin and feature of tectonic deformation, santanghu basin passed through four formation and evolution phases : ( 1 ) formation and evolution of basin ' s basement ; ( 2 ) formation and evolution of fault - fold to depression basin in permian ; ( 3 ) formation and evolution of depression basin in triassic - jurassic - cretaceous ; (

    依據三塘湖盆地殘餘地層序列、沉積體系、沉積充填特徵和原型盆地恢復,以及不同構造層的構造變形特徵的綜合研究分析,認為三塘湖盆地經歷了如下四個發展演化階段:前二疊紀盆地基底發展演化階段;二疊紀斷陷-拗陷盆地發展演化階段; :三疊-侏羅-白堊紀拗陷盆地發展演化階段;第三-第四系新生代盆地發展演化階段。
  8. Subdivision and correlation of the upper beds of the cretaceous system in zhejiang

    浙江白堊繫上部地層的劃分與對比
  9. There is a close relation between mesozoic tectonic evolution, fluid evolution, petrogenesis and mineralization in the manzhouli - e ' erguna region in the northeast of the northern orogenic belt, china, and three evolution stages of the mesozoic tectonic - fluid - petrogenetic and metallogenetic system are proposed out : 1 ) acompanied by ree and cu mineralization, the calc - alkaline volcanic rocks and mantle - crust mixed type granite occurred under the regional tension tectonic background caused by the mongolia - okhotsk residual ocean that was closing in scissors form in the early - middle jurassic. 2 ) acompanied by pb, zn and ag mineralization, the calc - alkaline and alkaline volcanic rocks occurred under the regional shear - compression tectonic background in the late jurassic. 3 ) acompanied by u, f, pb, zn and ag mineralization, the caic - alkaline and alkaline volcanic rocks occurred under the regional tension tectonic background in the early cretaceous

    摘要本文討論了北方造山帶東北段滿洲里額爾古納地區及其毗鄰區中生代構造流體成巖成礦系統及其演化的三個不同階段: 1 )早中侏羅世張性「似裂谷環境」下所形成的中基性堿性火山巖、同熔性花崗巖及深源流體活動形成的稀土礦床和斑巖性銅鋁礦床; 2 )晚侏羅世擠壓剪切環境下所形成的酸性火山巖、斑巖類及深源流體活動所形成的鉛鋅銀礦床; 3 )早白堊世張性環境下所形成的基性堿性火山巖及深源流體活動所形成的鈾礦床、金銀礦床及螢石礦床。
  10. During this evolution, seven second - order tectonic units were formed ; from north to south are the mingqianri cretaceous residual sea basin, the arsuo tectonic melange zone, the taricuo - wenbu yenshan magmatic arc belt, the cuoqin - bangduo late paleozoic composite back - arc basin, the jiangrang - geerdi faulted uplift, the gangdise - chazi himalayan magmatic arc belt, and the xigaze - anba fore - arc basin. these units comprise important parts of a poly - arc - basin system and exhibit evolutional features of mesozoic to cenozoic arc - basin systems. mosaic pattern of these tectonic units delineates the lithosphere coupling processes of the gangdise tectonic belt under mechanisms such as back - arc basin attenuation and arc - continent collision

    自中新生代以來,岡底斯構造帶經歷了洋殼俯沖、弧陸碰撞、陸內俯沖-碰撞、走滑和塊段隆升的多階段構造演化歷程,形成了由北向南七個二級構造單元,即岷千日白堊紀殘余海盆、阿索構造混雜巖帶、它日錯?文部燕山期巖漿弧帶、措勤?幫多晚古生代復合弧后盆地、江讓?格爾耿斷隆、岡底斯?查孜喜馬拉雅期巖漿弧帶、日喀則?安巴弧前盆地。
  11. This paper is carrying out based on the chemical materials of huanhe group of cretaceous system of erdos basin, carrying on relativity analysis about tds and three major anion percentage of meq ( milligram equivalent ), taking cluster analyses on tds and the three anion percentage of meq, the trend analysis of the percentage of the number of fresh water and the total water with the increases of anion percentage of meq, classifies the new index, divide the groundwater into three kinds according to percentage of meq of three major anion finally defining new groundwater water chemistry : definitely bicarbonate type, relativity bicarbonate type and non - bicarbonate types, point out that the possibilities of fresh water reduce in proper order of these kinds

    鄂爾多斯地下水勘查是國家重大的地質調查項目,在地下水水化學研究的幾次大型討論會議上,專家們一致認識到,能不能利用鄂爾多斯盆地地下水勘查項目中的大量地下水水質分析資料,探索出一種新的水化學類型劃分方法,對舒卡列夫分類中的25毫克當量百分數的分類界限加以重新考慮,而找出一個與淡水密切相關的x作為分類界限。本文就是以鄂爾多斯自流水盆地白堊系保安群環河組地下水水化學資料為基礎而開展相關研究的。
  12. The sediment stratum in chagan depression is devised into tree supersedences. among them, lower cretaceous can be devised into eight sequences and twenty - two system tracts which have been studied in characteristics of sedimentary cycle, distribution and genetic analysis. after this study, formed mechanism, distribution model and evolvement of sequence have been put forward

    查干凹陷共劃分出3個超層序,研究目的層下白堊統劃分出8個層序, 22個體系域,並進行了層序地層格架的層序沉積旋迴特徵、層序展布特點和層序成因分析,提出了斷陷盆地層序的形成機制、層序地層分佈模式與演化模式。
  13. The evolution of the jurassic petroleum system can be divided into three stages : the forming stage in the late jurassic, the adjusting - destroying stages in cretaceous, and the activating - reconstructing stage in tertiary

    在此基礎上,提出侏羅系含油氣系統經歷了侏羅紀晚期形成階段、白堊紀調整?破壞階段和第三紀活化?再建階段。
  14. ( 4 ) a veries of depositional system of early cretaceous have been identified firstly : basin floor fan, slope fan, leveed channel, subparallel facies, slump facies, lowstand wedge, tst, hst. combining with seismic reflection and log response, this paper discusses distribution of above facies, microfacies and reservoir characteristics

    ( 4 )首次確定了下白堊統的各種沉積體系:盆底扇、斜坡扇、有堤水道、亞平行相、滑塌相、低位楔、 tst 、 hst ,結合地震反射和測井響應,討論了它們的分佈,微相和儲層特徵,對今後勘探開發上作無疑有重要價值。
  15. These simulations focused on the major factors driving cretaceous climate changes and the critical time periods of the climate change, and tested the internal and external forcing in the earth climate system and the feedback effects among various spheres of the earth system, thus providing us an understanding of the mechanism of greenhouse climate and an important scientific basis for projection of the future climate changes

    這些古氣候模擬試驗鎖定在氣候變化的關鍵時段和驅動因子、測試地球內外動力和地球各圈層反饋作用,可為認識溫室氣候的成因、探討氣候變化內在機制和預測未來氣候提供重要的科學依據。
  16. It has been found that the cretaceous system is widely distributed in liupanshan region including sanqiao fm, heshangpu fm, madongshan fm, and naijiahe fm

    發現寧夏六盤山地區白堊紀地層廣泛發育,自下而上劃分為三橋組、和尚鋪組、李窪峽組、馬東山組、乃家河組;從沉積特徵、地層層序、沉積相表明。
  17. Discussion on sequence stratigraphy and petroleum system of the lower cretaceous in liupanshan basin

    六盤山盆地下白堊統沉積層序與含油氣系統
  18. Under the guide of dynamic system for pool - forming and petroleum system, this research has fully taken advantage of every kinds of data from the area, applied the new idea, new technology, new methods to study tectonic, sedimentary and resource rock. the results suggest that the source rock of permo - carboniferous has undergone three evolution periods. the first gas generation occurs at the end of triassic and the generation stopped during jurassic - cretaceous

    該文以成藏動力學系統和含油氣系統理論為指導,充分利用工區以及鄰區的各種資料,運用新思路、新技術、新方法,在構造、沉積、烴源巖評價等基礎地質研究的基礎上,認為石炭?二疊系烴源巖經歷了三疊紀末期以前的一次生氣階段、侏羅紀?白堊紀時期的演化停止階段和早第三紀至今的二次生氣階段等三個階段。
分享友人