continental crust 中文意思是什麼

continental crust 解釋
大陸板塊
  • continental : adj 1 大陸的;大陸性的。2 〈C 〉 歐洲大陸的,〈C 〉〈美國〉(獨立戰爭時)美洲殖民地的。n 1 歐洲大...
  • crust : n 1 麵包皮 (opp crumb);乾麵包片;生活口糧,糊口之資。2 外皮,殼;〈美國〉雪殼;【地質學;地理...
  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. 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。
  3. Continental drift is now believed to reflect the movement over geological time of underlying plates in the earth ' s crust - the theory of plate tectonics

    板塊構造學說提出后,大陸漂移說又獲得了新的含義,它反映了地殼運動和大州大洋的分佈規律。
  4. A large number of studies of geochronology and geochemistry indicate that mesozoic intermediate - felsic rocks from the dabie orogen have originated from recycling of the subducted yangtze continental crust itself

    摘要大量的同位素地質年代學和地球化學研究表明,大別山中生代中酸性巖為俯沖揚子陸殼再循環的產物。
  5. If all goes well, the hybrid rov will let scientists better understand fundamental processes occurring at the deep subduction zones along the continental margins where geochemical recycling of the earth ' s crust takes place

    如果一切都進行得很順利,復合型遙控探測器將可使科學家更清楚地了解,發生在大陸邊緣海洋深處隱沒帶的地質變化,以及此處地殼物質所進行的地球化學循環內容。
  6. The independent jiangda tectonic belt has appeared since late carboniferous, following the jinshajiang ocean crust of subducted beneath the changdu continental crust and the continental margin arc formed in east of changdu terrane

    自晚石炭世金沙江洋洋殼開始向昌都陸殼地體邊緣下俯沖,形成陸緣弧以來,獨立的江達構造帶就得以產生。
  7. Thus, it can be clearly recognized that the global continents located at near equator and southern hemisphere, showed the characteristics of range along latitude ; chinese continental blocks still located among the laurentia, siberia and gondwana in paleozoic ; following the fast moving of siberia plate to northwards, the amalgamation in north - south direction at the western parts of laurentia and gondwana, subducted the lapetus and rheic oceans, until to form the uniform pangea in the late stage of paleozoic ; however australia and india plates in eastern gondwana move and disperse gradually to southwards, to extend crust and form the paleo - tethys ocean ; the chinese continental blocks and adjacent blocks still located in paleo - tethys ocean, preserved the status of dispersion, gradually moving to northwards, showed the characteristics of range along north - south orientation, until carboniferous and triassic a series of local collisions happened in tianshan - hing ' anling, kunlun, qinling - dabie, jingshajiang and shaoxing - shiwandashan zones, thus the most part of chinese continental blocks amalgamated to eurasia continent

    由此可以清晰地看出,在古生代早期全球各大陸的主要部分都位於赤道附近及南半球,大致表現為沿緯度、呈東西向排列的特徵,中國及鄰區的小陸塊群在古生代始終都處在勞倫大陸、西伯利亞與岡瓦納大陸之間;隨著西伯利亞大陸的快速北移,在勞倫大陸與岡瓦納大陸的西部地區發生南北向拼合,亞皮特斯洋和里克洋的消亡,到古生代晚期形成統一的泛大陸;而岡瓦納大陸的東部(澳大利亞和印度等)則逐漸向南移動、離散,地殼張開,構成古特提斯洋;中國及鄰區的小陸塊群則一直處在古特提斯洋中,保持離散狀態,總體上緩慢地向北運移,並逐漸轉為近南北向的排列方式,石炭紀到三疊紀才在天山興安嶺、昆侖山、秦嶺大別、金沙江和紹興十萬大山等地段發生一系列局部性的陸陸碰撞,使中國大陸地塊的大部分逐漸併入歐亞大陸。
  8. The continental crust is much thicker than average beneath the great mountain belts.

    在高山地帶下面的大陸地殼,其厚度要比平均厚度大得多。
  9. The convective heat of molten magma in the upper 10 km of the continental crust represents a significant geothermal energy resource

    大陸地殼10公里深度以內熔巖中的對流熱是一種重要的地熱能資源。
  10. " but at the same time, a horizontal pulling power inside the lower continental crust and mantle of the earth counteracts this upward movement, " said bian

    「但同時,從下地殼一直到地幔上部在產生一種東西拉張的力量,這種拉力對喜馬拉雅山的繼續升高起到了阻礙作用。 」
  11. Networks of satellites already on orbit or soon to be launched are beginning to provide detailed observations of the workings of the atmosphere, ocean, and continental crust over the entire planet

    由已經進入軌道或是即將發射的衛星所形成的網路已開始提供有關整個地球的大氣、海洋和陸殼運動情況的詳細觀測資料。
  12. During the magma evol ution, this primary magma suffered effects of the containing water fluid and a small extent contaminate of continental crust. according to all of features above, the paper analyzes the formatting mechanism of high - mg volcanic rocks

    巖漿演化過程中遭受到了含水流體的影響及輕微的陸殼混染。根據以上特徵對高鎂火山巖的形成機製作了分析。
  13. X4 ? gridding attenuation and 2 ? x2 ? gridding group velocity are calculated respectively, based on the attenuation and velocity, the distribuation of rayleigh wave quality factor qr are yielded finally. ( 3 ) building the s - wave quality factor og3d structure of the continental crust and upper mantle of china area

    為此把中國大陸區域劃分成4 4網格和2 2網格,利用lsqr方法分別進行衰減系數和群速度網格化反演,得到4 4單元格的衰減系數分佈和2 2單元網格的群速度分佈。
  14. The continental orogenesis is characterized with the following features, such as sudden start, global synchronicity and horizontal movement, occurring mainly in the upper part of the crust and weakening with depth, and so on

    摘要大陸皺造山運動具有突發性、全球同步性,以水平運動為主,主要表現在地殼上部且具有上強下弱等特徵,除水平運動一項外,與基於地幔對流的板塊構造理論缺少共同之處。
  15. 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。
  16. The authors put forward that daba - xiugugabu ophiolite belt originated from an ancient oceanic crust fragment of india continental northern marginal ocean basin, that was approximately synchronous with the formation and evolution period of the neo - tethys ocean

    筆者提出該區蛇綠巖來源於印度大陸北緣洋盆的洋殼碎片,這個陸緣洋盆與新特提斯洋主體的形成和演化準同步。
  17. 2. early jurassic mafic volcanic rocks in yanshan area were derived from decompression melting of an ancient continental lithospheric mantle, which had been previously metasomatized by subducted slabs during the closure of paleo - asian ocean ; the mantle source of late jurassic mafic volcanic rocks were contributed by dominant emi and insignificant subducted metasomatic components ; early cretaceous mafic volcanic rocks were derived from decompression melting of an ancient continental lithospheric mantle ( emi ). with regard to the basaltic lavas, the felsic rocks resulted from partial melting of continental crust, which closely related to basaltic underplating

    2燕山地區早侏羅世中基性火山巖來自於早期俯沖交代的古老巖石圈地幔部分熔融作用,俯沖交代作用可能與早期古亞洲洋閉合事件有關;晚侏羅世中基性火山巖更多來自於類似於emi型地幔源區的部分熔融作用,俯沖交代成分貢獻很弱;早白堊世基性火山巖則來自於emi型地幔源區的部分熔融作用。
  18. Thus, they might be derived from a back - arc basin with an archipelagic system in paleo - tethys, instead of a large ocean basin. the isotopic geochemistry shows that the jinshajiang ophiolitic melange has higher e nd ( t ) values ( + 7. 42 - + 5. 44 ), suggesting that it may be derived from a lree depleted mantle source without significant contamination by the continental crust, but affected slightly by a fluid from a subducted ocean crust

    同位素地球化學研究表明,金沙江蛇綠混雜巖具有較高的_ ( nd ) ( t )值( + 7 . 42 + 5 . 44 )暗示蛇綠巖來源於lree長期較虧損的地幔源,演化過程中沒有受到陸源物質的明顯混染,而主要受到少量俯沖洋殼析出流體的影響。
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