middle triassic 中文意思是什麼

middle triassic 解釋
中三迭世
  • middle : n 1 中央,正中;中間,中部;中途。2 人體的中部,腰部。3 中間物,媒介物;中人,中間人,調解人;中...
  • triassic : adj. 【地質學;地理學】三疊紀[系]的n. 三疊紀[系] (=Triassic Period [system])。
  1. Four tectonic evolution phases have been made out in this area. they are original crust formed in the archean - early proterozoic era, continental crust shearing in the middle - new proterozoic era, plate tectonic developed in sinian - triassic period and intracontinental orogeny in the middle cenozoic period

    將區內構造演化歸納為太古?早元古代原始地殼形成、中新元古代大陸地殼裂解、震旦?三疊紀板塊構造體制、中新生代陸內造山等四個演化階段。
  2. The author suggests that the three lithosphere - scale faults, lancangjiang fault, jinshanjiang - ailaoshan fault and axis fault in the middle of the basin, are the main geological structures that control the formation of basin, magmatism and metallogenic congregate district. the anticline structure with an axis of triassic strata and the related fault system within the basin, and gonglang arch - shaped folding structure in the south of the basin are the geological structure controlling the formation of ore fields. junctions of two or more faults with different orientation, interlayer cataclastic structural zone and oxidation - reduction ( redox ) boundary were the favorable position for the formation of ore bodies

    認為瀾滄江斷裂、金沙江-哀牢山斷裂及盆地中軸斷裂這三條巖石圈斷裂是主要的控盆-控巖(巖漿巖)構造及礦集區尺度的控礦構造;盆地中以三疊系為軸的背斜構造及相關的斷裂系統、盆地西南緣公郎弧形構造等是礦田尺度的控礦構造;多組斷裂的交叉、層間破碎帶及地層柱中的氧化還原界面是形成礦體的有利部位。
  3. The sedimentary geochemistry analysis indicates that the middle and lower yangtze basin is the craton basin, and shangrao and mingxi basins are the continental margin fault basins in the early triassic

    早三疊世的中下揚子混積盆地屬克拉通邊緣盆地,而上饒和明溪碎屑巖盆地則為大陸邊緣斷陷盆地。
  4. The results indicate that these parameters in profile change closely with geotectonic cycles as follows : sulfur, colloid and asphaltene contents keep the lowest values in devonian, triassic, jurassic and tertiary ; they are in accordance with regressive geotectonic phases, of which the maximum values appear to be correspond to the largest - scale marine transgressions occurred in caledonian cycle, hercynian cycle and middle phase of alpine cycle

    指出,這些石油參數在剖面上的變化與大地構造旋迴有密切關系:硫,膠質和瀝青質的含量在泥盆紀、三疊紀、侏羅紀和新近紀為最低值,它們與海退構造階段相一致;石油化學成分最大值與加里東旋迴、海西旋迴和阿爾卑斯旋迴中期的最大海侵相一致。
  5. Conclusion are obtained as follows : 1. basin accepted sedimentation since sinian, and strata were well developed. it was marine sedimentary series from sinian to middle - triassic and become continental sedimentary series since late - triassic

    主要成果及認識如下: 1 、盆地自震旦紀以來長期接受沉積,地層發育良好,震旦紀至中三疊世為海相沉積體系,晚三疊世以後為陸相沉積體系。
  6. The basement of the basin is consist of precambrian crystal basement and paleozoic folding basement, while the cover has undergone the evolution of intra - continental rife in permian, down warped basin in triassic - cretaceous period and inter - mountains basin in tertiary. the main sediments are huge - thick volcanic rock, shallow intrusive rock and tuff in early permian, dark mudstone, marl and muddy dolostone in lucaogou formation in middle permian, huge thick volcanic rock, intruder in tiaohu formation in middle permian, miscellaneous sandy gravel, sandstone and gray mudstone in triassic ( the red is under the gray, and huge - thick dark gray, gray sandy gravel, sandstone, mudstone with coal layer in jurassic

    盆地基底由前寒武紀結晶基底和古生代褶皺基底組成,盆地蓋層則經歷了二疊紀的裂谷盆地、三疊紀?白堊紀的坳陷盆地和第三紀后的山間盆地的演化過程。盆地主要沉積了下二疊統巨厚火山巖、淺成侵入巖和凝灰巖;中二疊統蘆草溝組的暗色泥巖、泥灰巖、白雲質巖石以及條湖組的巨厚層火山巖、侵入巖;三疊系雜色砂礫巖、砂巖及灰色泥巖(下紅上灰) ;以及侏羅紀厚層深灰、灰色砂礫巖、砂巖、泥巖夾煤層。
  7. In the link party of qinling - qiliang - kunlun belt, the polyarc - basin systemic characteristic is discussed with strengthen and standout study on the detail relationship analysis between the arc - basin. the bayan har basin thought to be the preexistence of the songpan - garze belt, is a back - arc basin among a series of polyarc - basin systems behind the qiangtang - taniantawong front the arc beginning in the late paleozoic. the eastern margin started as the western passive continental margin of the yangtze block ( d - t2 ), then changed into a foreland basin related to the north china block and the qiangtang block during the middle to late triassic

    在秦祁昆侖結合部研究中,加強和突出了精細的島弧盆分析和造山作用關系的研究,探討了秦、祁、昆結合部多島弧盆特徵;通過巴顏喀拉地區沉積特徵,沉積體的空間展布和形態,面式物源供給方式,礦物成分和地球化學背景分析,其沉積盆地屬性總體上反映出一個從過渡地殼-洋殼基礎上發育起來的周緣前陸盆地的發展和演化過程。
  8. Abstract : it is pointed out that the sanwan and sandu tectogenies belong to two times of opeirogenies, occurred early and late which in the middle - late stage of late triassic affecting central - east hunan, southeast hunan and west jiangxi to bring about respectively an elavation and tilting of primitive sedimentary basin

    文摘:三灣和三都運動是造陸運動,先後發生在晚三疊世中晚期,波及湘中湘東湘東南贛西,分別導致原始沉積盆地一度隆升和掀斜。
  9. During my master " degree investigation, i mainly focused on the coarse - grain stratigraphy within mesozoic basins in chengde and pingquan districts, the eastern yanshan, and did systemic provenance analysis and paleo - current direction measurement and studied the relationship among basin evolution, volcanism and tectonism. then i summarized the mesozoic basin development and the coupling characters of basin and mountain. the evolution of basin and mountain in this area can be divided into several stages : the stage of compression uplift and flexural basin during the triassic through the early jurassic, the stage of structural compression - volcanism and foreland basin during the middle and late jurassic and the stage of rift basin in the cretaceous

    在野外典型路線調查的基礎上,對燕山地區東段承德、平泉地區的中生代盆地中發育的粗碎屑沉積層,進行了系統的物源分析與古流測定,並在此基礎上重點剖析了盆地的發育、火山活動、構造變動三者之間的關系,總結了本區中生代盆地發育規律及盆山耦合特徵,並將盆山演化劃分為:三疊紀?早侏羅紀的構造擠壓隆升與撓曲盆地發育階段階段,中晚侏羅紀的構造擠壓?火山活動與類前陸盆地發育階段,早白堊世的拉張斷陷盆地發育階段。
  10. Because of the above mentioned reasons, the first one should be considered the main source rock in yili basin. by means of the modeling of the buried history and the history of thermal evolution, it can be concluded that this set of source rock had entered the ceiling of the oil - generating window in the early triassic period and reached its peek in the middle and end of triassic period, befor entering the highest maturity in the early and middle jurassic period, and had generating gas in the end of jurassic period

    其中鐵木里克組烴源巖厚度大、有機質豐度高、成熟度高,具有較高的生烴潛力,是伊犁盆地主要的烴源巖系,通過埋藏史及熱演化史模擬,該套烴源巖於三疊紀早期已進入生烴門限,中晚三疊世達到生、排烴高峰,早中侏羅世進入高成熟階段,侏羅紀末進入生氣階段。
  11. 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。
  12. The thesis was written under the direction of dynamic theory of forming reservoir, follows the rules of comprehensive information, judgment, interpretation and assessment and even makes full use of outcrop geology, data from drilling and logging, data from laboratory analysis and achievements in geophysical exploration. considering the basic factors of forming reservoir in the south of ordos basin as the starting point, the thesis defines that yanchang group of triassic goes into the start of generating oil in the late period of mid - jurassic and that the largest oil generation peaks in the middle period of early cretaceous, after the analogue - history of hydrocarbon generation. meanwhile it also establishes the relationship between the evolution of oil and gas and the formation of traps, the time of oil exploration

    本文以成藏動力學理論為指導,本著綜合信息、綜合判斷、綜合解釋、綜合評價的原則,充分利用露頭地質,鉆測井資料,實驗分析資料及物化探成果,以鄂爾多斯盆地南部的基本成藏要素為出發點,通過生烴史模擬,確定了三疊系延長組在中侏羅晚期( 150ma )進入生油門限,于早白堊世中期達到最大生油高峰期;同時並確立了油氣演化與圈閉形成、捕油時間的關系;通過流體勢的全區計算,提出了該區油勢具有明顯的「雙層」結構特徵,並建立了以靜水壓力為主的重力流系統和以差異壓實作用為主的壓實流系統的流體動力分佈模型;通過成藏動力學系統的劃分及事件分析,探討了該地區油氣聚集規律,最終指出了有利的含油氣遠景區。
  13. After analyzing the geochemical characteristics and the hydrocarbon - generation intensity of the source rock, the authors consider that the lower triassic - devonian marine source rock has low - middle hydrocarbon - generation potential in the baise basin

    在綜合分析烴源巖地化特徵和生烴強度的基礎上,認為百色盆地下三疊統泥盆系海相烴源巖具有低中等級別的生烴能力。
  14. In this area, most of micro - disseminated gold deposits are hosted by the middle triassic turbidites

    該區微細浸染型金礦床大多賦存於中三疊統濁積巖系中。
  15. The palaeogeographic research indicate that the palaeogeographic outline of the study area recorded the evolution from a sedimentary basin in which the shallow - water carbonate platform sediments and deep - water terrigenous clastic submarine fan developed from southeast to northwest and northeast during the late triassic through a submarine sheet - like model composed of deep - water sandy turbidite and fine - grained turbidite during the early jurassic to a terrigenous clastic barrier coast during the middle and late jurassic and finally to the coal - bearing delta sediments during the late cretaceous

    古地理分析表明,研究區晚三疊世古地理輪廓是一個從東南向西北和東北方向由淺水碳酸鹽臺地及深水陸層海底扇沉積共同發育的沉積盆地;早中侏羅世,演變成為一個由深水砂質濁積巖和細屑濁積巖組成的水下席狀體沉積;進入中晚侏羅世,其古地理表現為一個陸屑淺海有障壁海岸;到了晚白堊世,研究區表現為以含煤沉積為特徵的三角洲相沉積。
  16. Ree characteristics and their geological implications of the strata bearing panxian fauna of the middle triassic of guizhou province

    貴州中三疊世盤縣動物群產出地層的稀土元素特徵及其地質意義
  17. The source rocks of carboniferous and early periman generated oil in middle triassic. the source rocks in middle periman reached the oil threshold in mid - late jurassic. the source rocks in jurassic hav n ' t reached the oil threshold

    石炭系、下二疊統烴源巖於三疊紀中期成熟,中二疊統烴源巖于侏羅紀中?晚期成熟,侏羅系煤系烴源巖未進入生油門限。
  18. The usually called " kongtong conglomerate ", possiblely aged middle - late of late triassic, is the facies change sediment of the yangchang formation in the west margin of ordos basin, and its component are mainly pebbles of limestone and sandstone

    摘要「崆峒山礫巖」是延長組在盆地西緣的相變產物,可能形成於延長組中晚期(長7 -長1期) ,對應于鄂爾多斯西南緣前陸盆地形成期。
  19. Through the analysis of subsidence history in the north of western ordos basin, as a result of the terranes northward accretion and the successive collision of the baykala block in the middle triassic, the qiangtang block in the late triassic, the lhasa block in the middle jurassic, the gangdese block in the cretaceous and the subduction of izanagi plate in yanshanian period, the studied region became a intracontinental foreland basin from late triassic to cretaceous

    摘要通過對鄂爾多斯盆地西緣北段沉降史的分析可知,晚三疊世白堊紀,由於中三疊世巴顏喀拉地體、晚三疊世羌塘地體、中晚侏羅世拉薩地塊、白堊紀岡底斯地體連續向北增生、碰撞以及燕山期伊佐奈岐板塊的俯沖,盆地西緣北段的響應顯示為陸內前陸盆地的特徵。
  20. Continent block colliding during late - permian to middle - triassic ; lower part delamination and upper part rifting of lithosphere during late - triassic ; delayed compression and uplift during early - jurassic ; crust extension from middle - jurassic to early - cretaceous ; large - scale strike sliping from late - cretacoues to present. ( 6 ) roughly expounding the deposits distribution feature in south part of sanjiang orogenic belts, especially in detail to set forth the characters of southern nanchangjiang cu, pb, zn, ag, sn, fe metallogenic belt

    初步闡明了三江造山帶南段礦床的時空分佈特徵,特別是較系統闡述了與巖石圈拆沉作用相關的南瀾滄江cu 、 pb 、 zn 、 ag 、 sn 、 fe成礦帶的特點,指出含鉀較高的火山巖可作為尋找拆沉環境中銅多金屬礦的有利地區,而火山巖中孔隙度較高的層位、層面和破碎帶可作為優先找礦部位。
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