階地沉積 的英文怎麼說
中文拼音 [jiēdechénjī]
階地沉積
英文
terrace cover- 階 : 名詞1. (臺階) steps; stairs 2. (等級) rank 3. [醫學] (耳蝸的三個螺旋管的任一個) scala 4. [數學] order 5. [地質學] stage
- 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
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Deposition mechanism of electroless plating tin in acid chloride solutions was analyzed theoretically, and three steps were summed up, including period of replacement reaction, coexistence periods of copper - tin codeposition and self - catalyzed deposition, and period of self - catalyzed deposition
從理論上系統地分析了酸性氯化物化學鍍錫的沉積機理,將其歸納為置換反應期、銅錫共沉積與自催化沉積共存期和自催化沉積期三個階段。2. by the analysis of grain - size accumulative centigrade content, grain - size composition and grain - size parameters performed on samples in baijiaziu profile and mafangtan profile, nine stages of hydrological and climatic changes since the last 1300 years have been distinguished. the first, the third, the fifth, the seventh and the ninth layers of the stratigraphical sequence are finer while the second, the fourth, the sixth and the eighth are coarser
據此,將白家嘴剖面劃分為9個地層單位, 4個沉積旋迴,其中剖面1 、 3 、 5 、 7 、 9層較細, 2 、 4 、 6 、 8層較粗,並認為此沉積序列表明近1 . 3ka以來渭河古水文與古氣候大致經歷了9個變化階段。The polyphasic and episodic tectonism of these basins usually had a significant influence on the regional deposition - erosion cycles and the depositional patterns
盆地構造演化的階段性、旋迴性及多期的構造變革對盆內多旋迴的沉積剝蝕過程的疊加和原型盆地的疊合等可產生深刻的影響。Some conclusions are listed as follows : the plateform cover cap of ordos basin and its circumference areas can be divided into five tectonic sequences. the tectonic evolution of ordos basin can be classified in six stages : the basement formation phase ( from archeozoic to paleoproterozoic ) ; the aulacogen phase ( from mesoproterozoic to neoproterozoic ) ; the north china continental sea phase ( from sinian to early - paleozoic ) ; the north china intracratonic depression phase ( from late - paleozoic to early mesozoic ) ; large ordos inland basin phase and the formation of independent ordos basin ( mid - late mesozoic ) ; fault basin phase around the ordos basin ( cenozoic )
通過研究有以下成果及認識:鄂爾多斯盆地及其周緣地區沉積蓋層可劃分為五大構造層序,盆地的形成和演化分為六大構造階段:太古代至古元古代基底形成階段、中新元古代克拉通內裂陷槽或坳拉槽演化階段、震旦紀?早古生代華北陸表海盆演化階段、晚古生代?早中生代華北克拉通坳陷演化階段、中生代中晚期大鄂爾多斯內陸盆地演化階段及獨立鄂爾多斯盆地的形成、新生代周緣斷陷盆地演化階段。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。Biomarker has a wide application in the research of petroleum geology, such as different types of organics thermal evolution, ancient sediments ' environment and so on
摘要生物標志化合物在石油地質中應用廣泛,可應用於源巖有機質類型和古沉積環境評價以及熱演化階段的確定等。They came down the steps from leahy s terrace prudently, frauenzimmer : and down the shelving shore flabbily their splayed feet sinking in the silted sand
她們從萊希的陽臺上沿著臺階小心翼翼地走下來了婆娘們15 。八字腳陷進沉積的泥沙,軟塌塌地走下傾斜的海濱。One of the branches is environmental archaeology. environmental archaeology development experienced three stages, linear model, early systematic model and later systematic model. four research areas, are formed gradually including geoarchaeology, archaeobotany, zooarchaeology and bioarchaeology
環境考古學的發展經歷了線形模式階段系統模式前階段和系統模式后階段3個時期,並逐漸形成4個主要的研究領域:地學考古植物考古動物考古和分子生物考古,其中地學考古涉及到地貌學沉積學土壤學和地質年代學。Compared to the basins in east guangxi, the basin of north guangxi is characterized by lower depositional and tectonic subsidence rate during rifting, longer thermal subsidence, later inflexion point from rifting to foreland buckling, as well as later inflexion point separating stable stage from active stage during foreland - buckling
但與桂東大瑤山地區相比,桂北興安地區在裂陷階段的沉積速率和構造沉降速率明顯偏低;熱沉降階段的持續時間偏長;裂陷階段與前陸撓曲階段的分界拐點偏晚;前陸撓曲階段,由構造寧靜期的緩慢沉降向構造活動期的快速沉降轉化的分界拐點也偏晚。Tectono - sedimentary evolution of the basin may be divided into three stages : continental margin rift, back - arc rift, and depression basin
其沉積?構造演化可劃分為三個階段:大陸邊緣裂谷、弧后裂谷和拗陷盆地。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。On the base of fully utilizing the available data about tectonic maps and structural elements, the present paper has made synthesized research that used the ways of stratigraphic sequence edge unconformity analysis and stratigraphic thickness correlation analysis, and combined seismic - data interpretation, review of paleo - structure and ancient landform and research of tectonic evolution and petroleum system, and combined region and location, plane and profile and time and spatial. by the synthesis analysis on tectonic evolution of hetian paleo - uplift in tarim basin, the results indicate that : ( 1 ) hetian paleo - uplift is a sedimental and erosional paleo - uplift. the formation and evolution of the hetian paleo - uplift experienced three stages, that is, the uplifting and eroding stage of the caledonian period, the depositional stage of the hercynian period and the destroying stage of the himalayan period, and evolved from paleo - lift to inclining strap at last
本文採用地質和地球物理相結合的研究思路,運用多種技術手段和方法;在充分利用已有構造圖資料和構造要素資料的基礎上,運用地層層序邊界不整合分析法、地層厚度對比分析法,結合地震資料的精細解釋、古構造和古地貌的恢復、構造演化史研究、含油氣系統的研究,和區域和局部、平面和剖面、時間和空間的結合研究,對塔里木盆地和田古隆起構造演化及油氣關系進行了綜合分析,認為: ( 1 )和田古隆起為一沉積?剝蝕性古隆起;形成於志留-泥盆紀;其構造演化可分為三個階段,即加里東期的抬升剝蝕階段、海西期的沉積階段和喜山期的破壞階段,最終由古隆起演變為一斜坡帶。( 2 ) by altitude - area analysis, comprehensive study on river captures, c - 14 dating, loess indexes a analysis and method of environmental archaeology, the quaternary geomorphologic evolution in csmasp is researched thoroughly
二、通過高程?面積分析、河流襲奪綜合分析、黃土階地的碳- 14測年與沉積指標分析及環境考古方法,本文重點研究了魯中南山地第四紀地貌發育的格局與過程。At the end of late pleitocene, influenced by the climate of glacier period, the last great event of the region in the geological time was taken place so that the migration and extinction of organism species were resulted, loess accumulation was generally developed throughout the whole region, in the holocene, the most important environmental change was fluvial process, which was still influnced by two factors - neotectonics and palaeoclimatic changes
更新世晚期末,受末次冰期氣侯的影響,本區發生了地史時期的最後一次大事件,造成了物種遷移和絕滅,全區廣泛發育黃土堆積。進入全新世,本區環境變化以河流作用最為顯著,沉積物主要分佈在各大水系的河谷中,構成一、二級階地和近代河床與河漫灘堆積。The sedimentary formation can be summarized as rift bay filling sequence, epicontinental sea filling sequence, offshore debris lake basin sequence and inner continental lake basin sequence. a framework of sequence stratigraphy for the upper palaeozic strata is established in the area. the helan aulacogen of upper carboniferous in the west margin of ordos can be divided into 12 sequences, and most of the upper palaeozoic strata in the area can be divided into 15 sequences
本文對研究區內上古生界進行了層序地層學探討,將本區沉積建造概括為裂陷海灣充填層序、陸表海充填層序、近岸碎屑湖盆層序和內陸湖盆層序,建立了研究區上古生界層序地層學格架,西緣賀蘭拗拉槽上石炭統劃分為12個層序,本區大部分地區上古生界可劃分出15個層序,並全面地概括了層序演化各階段的具體特徵。The most direct embodiment is the fluctuant images of grain - size parameters brought about by the bounce of grain - size eigenvalues. in order to discuss dune sedimentary and the cause of its evolvement, in this paper we also contrast every oxygen isotope phase
為進一步探討砂丘沉積及其演變的原因,本文還將米浪溝灣地層剖面150ka以來不同時段樣品的mz和sc d的平均值與相同時期氧同位素諸階段進行了對比。The further study shows that the sandstones at the bottom of the lower ganchaigou formation, which is a tr lithostratigraphic unit, were deposited in different stages of base level cycle, and they are not chronostratigraphic unit. so, to identify different sequences, especially high order sequences in analysis of terrestrial stratigraphic sequences, the sequence distribution feature must be fully consided. this view has practical significance for recognizing forming, evolution and filling history of qaidam baisn correctly, and has both theorical and practical meaning for directing further oil exploration
研究還表明,傳統巖石地層單位中下乾柴溝組底部的砂巖代表了基準面變化旋迴不同階段沉積的產物,它們屬于不同的成因單位,也非等時地層單位,因此,在進行陸相層序地層分析時,各級層序尤其是高級層序的識別要充分考慮面上的層序展布特點,這一觀點對正確認識柴達木盆地的形成演化和沉積充填歷史,指導今後的勘探具有一定的理論和實際意義。Optical stimulated luminescence dating of late pleistocene terrace deposits in the eastern segment of the altyn tagh fault and its tectonic implication
阿爾金斷裂帶東段晚更新世階地沉積物紅外釋光測年及其構造意義By the integrated research on sedimentary - tectonic evolution and reformation of yanqi basin and the comparison of die evolution of northern tarim basin and tianshan belt, the result shows that yanqi basin experiences five evolution stages include forland basin ( t2 - 3 ), extensional basin ( j ), compression and denudation stage ( k ), regional depression stage ( e ), and broken intracontinental forland basin ( n + q ). at mesozoic, kuche basin and yanqi basin belonged to a unity
對焉耆盆地沉積-構造演化及改造綜合研究,並與塔里木盆地北部及天山構造帶演化對比表明,今焉耆盆地先後經歷了周緣前陸盆地( t2 - 3 ) 、伸展盆地( j ) 、擠壓剝蝕階段( k ) 、區域沉降( e )和破裂陸內前陸盆地( n + q )五大演化階段。Its results approve the yanqi basin is a mesozoic - cenozoic compressive basin ( revival foreland basin ) in the tianshan composite orogenic belts. the tectonic evolution in mesozoic - cenozoic can be divided into three stages : the weakly compressive stage in the early to middle jurassic, intensively compressive stage in the late yanshan cycle, and face to face compressive stage in the himalaya cycle
根據構造變形及盆地沉積特徵,論述了焉耆盆地中、新代構造演化的三個階段,即早、中侏羅世弱擠壓階段、燕山晚期強烈擠壓階段和喜山期對沖構造發育階段。分享友人