cretaceous period 中文意思是什麼

cretaceous period 解釋
白堊紀
  • 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]。
  • period : n 1 時代；期；時期；期間；階段。2 〈the period〉現代，當代。3 周期；【地質學；地理學】紀。4 終結...
  1. Chagan sag is a secondary tectonic unit in chagandelesu depression, northeastern yingen - eji ' naqi basin, and the basement of the basin is a paleozoic fold belt of continental margin or island arc at the connection region of north china plate * tarim plate and kazakstan plate, with the character of erogenic belt. in working area and its adjacent area, the forming tectonic setting of indosinian intrusion was that orogenic belt pressed strongly, intracontinental subduction ; that of early yanshan movement epoch was the stress field transferred from compression to extension meanwhile the incrassate crust of orogenic zone turned to extensional collapse ; and that of early cretaceous volcanics was that the area structure extensional collapse further more during the post period of orogenic phase

    查干凹陷屬于銀根?額濟納旗盆地東北端查干德勒蘇坳陷內的一個次級構造單元，其盆地基底為古生代時期華北板塊、哈薩克斯坦板塊和塔里木板塊交接部位形成的陸緣或島弧褶皺帶，具有古生代造山帶的性質。研究區及鄰區印支期侵入巖形成於造山帶強烈擠壓陸內俯沖的構造環境；燕山早期侵入巖形成於由擠壓轉向拉伸、造山帶的增厚陸殼開始發生伸展垮塌的構造環境；早白堊世火山巖形成於造山期后進一步發生伸展垮塌的區域構造環境。
  2. Cretaceous period, 145 million years ago, was the age of the dinosaurs

    白堊紀期間， 145百萬年前，是恐的年。
  3. The cretaceous is named after the large amounts of chalk ( fossilized plankton ) found in rocks of the period

    白堊紀以這個時代的地層主要為白堊沉積而得名。
  4. The formation of lukeqin structure belts oil reservoirs have two periods at least ; the first is late triassic to lias which is important period for petroleum migration and accumulation, and the latter is late cretaceous period

    魯克沁構造帶三疊系油藏烴類注入至少有兩期，早期為晚三疊世早侏羅世，晚期是晚白堊世，並以早期注入為主。
  5. Based on the analyses of structural features, volcanic activities, sequence construction and so on, it is believed that liaohe basin has experienced the period of dextral transtensional stress field in late jurassic - early cretaceous, middle and late paleocene, late eocene, miocene, and also the period of sinistral compresso - shear stress field in late cretaceous, early paleocene, early and middle eocene, oligocene, pliocene

    對構造現象、火山活動、層序充填型式等多種實際資料的分析表明：遼河盆地經歷了侏羅紀末白堊紀早期、古新世中後期、始新世中後期、中新世等右旋張扭應力場作用階段，以及白堊紀晚期、古新世初期、始新世早中期、漸新世、上新世以來等左旋壓旋應力場作用階段。
  6. It could be divided into six paleogeotemperature evolution stages from early cretaceous to recent based on the result of apatite fission - tracks analysis ; subsidence - buried history analysis shows that chagan experienced fault depression stage during early cretaceous bayingebi - suhongtu period, transional stage from fault depression to sag in yingen period, and sag stage since wulansuhai stage

    磷灰石裂變徑跡模擬分析結果認為早白堊世至今大致可分為6個古地溫演化階段；沉降?埋藏史模擬揭示查干凹陷經歷了早白堊世巴音戈壁?蘇紅圖期的斷陷期、銀根期的斷?坳陷轉化期和晚白堊世烏蘭蘇海期以來的坳陷期。
  7. They preyed on long - necked herbivorous dinosaurs on the indian subcontinent during the cretaceous period at the end of the dinosaur age, 65 million years ago

    他們以印度次大陸的食草恐龍為食，這種食草恐龍生活6500萬年前的恐龍滅絕年代白堊紀。
  8. 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。
  9. Yinggete - bagemaode metamorphic core complex belt with three - layer construction is put forward, which evolved from late jurassic to cretaceous. the extensional simple shear model of the chagan fault depression is established. the tectonic evolution and the dynamics character of chagan fault depression and its adjacent mesozoic - cenozoic basins are discussed : at the end of triassic continental orogeny increased crust thickness crust uplift and denudation were happened ; jurassic was a period of local partly extensional collapse of erogenic belt and cretaceous was a period of widely extensional collapse of postorogenic erogenic belt ; cenozoic was a period of the development of stable intracontinental depression with the character of long distant collision response and weaked compression flexure

    討論了查干凹陷及鄰區中-新生代盆地構造演化及其地球動力學特徵，三疊紀（印支期）為陸內造山作用與地殼增厚、隆升剝蝕階段；侏羅紀（燕山早期）為造山後造山帶的局部伸展垮塌階段；白堊紀（燕山晚期）為造山期后大規模伸展垮塌作用與伸展盆地的發育階段；新生代（喜山期）為遠距離碰撞效應與弱擠壓撓曲性質的穩定大陸內坳陷的發育階段。
  10. The results indicate that most of the lithologic oil accumulation of the three main depressions in erlian basin eventually formed in early to mid cretaceous, and compared with most structural oil accumulation in the basin the lithologic ones represent the characteristic of relatively earlier formation period

    研究表明，二連盆地3大主力凹陷巖性油藏的成藏期多在白堊紀的早、中期，相對於二連盆地構造油藏的形成期具有明顯的早期成藏的特徵。
  11. At the late stage of upper jurassic ( 135ma ), the provenance areas underwent intense and sustained uplift and denudation. in the period of lower cretaceous, the tectonic setting of the provenance areas turned into strike - slip

    侏羅紀末（ 135ma ）到早白堊世源區產生劇烈的持續上升和剝蝕，早白堊世晚期，源區的構造轉換為拉張。
  12. These strata of basin are made up of cretaceous period, tertiary period and quaternary period. tertiary period is the major sediment in the basin and the biggest thickness is up to five thousand meters. this thesis studies the petrology and characteristic of the diagenetic process of the reservoir

    盆地的沉積巖系主要由白堊系、上下第三系和第四系組成，下第三系是盆地中的主體沉積，最大厚度5000米，分為萬昌組、永吉組、奢嶺組、雙陽組。
  13. Discussion on the genesis of cretaceous period pull - apart basins in xinmei area of guangdong

    廣東興梅地區白堊紀拉分盆地的成因
  14. The prints are believed to have been made during the cretaceous period of the mesozoic era, kim said in a statement

    這些足跡被認為是在中生代白堊紀時期由當時鳥類留下的。
  15. The dinosaurs died out 65 million years ago at the end of the cretaceous period

    百萬年老，算是年輕的。恐消失在
  16. This clam fossil is from the cretaceous period, approximately 100 million years ago

    這個蛤化石來自大約一億年以前的白堊紀時期
  17. The prehistoric reptile lived in the cretaceous period, about 125 million years ago

    這只史前爬行動物生活在約一億兩千五百萬年前的白堊紀。
  18. During his journey the incredible diversity of life in the early cretaceous period is revealed

    從它的旅程當中還可看到種種早期白堊紀的生物。
  19. The giant herbivores, which grew up to 35 meters long, lived during the late cretaceous period 83 - 65 million years ago

    而這種巨大的食草動物成年後則可以長到35米長，它們生活在白堊紀末期約8300萬年至6500萬年前。
  20. The cretaceous period ended about 65 million years ago, a mass extinction due to impact of an asteroid at chicxulub in mexico wiped out the dinosaurs, except for the birds

    白堊紀期間結束了大約65百萬年前，許多絕種由於小行星的沖擊在chicxulub在墨西哥消除了恐，除了鳥。
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