lower crust 中文意思是什麼

lower crust 解釋
下部地殼
  • lower : adj 〈low 的比較級〉1 較低的。2 下級的，低級的。 lower animals 下等動物。3 南部的。 in lower Manh...
  • 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. Finally, some possible physical mechanisms, for example the coulomb stress - triggering mechanism, the dynamic stress - triggering mechanism and the lower crust and upper mantle flow deformation mechanism, which may generate these coseismic and post - seismic anomalies, are discussed

    同時，還從庫侖破裂應力觸發、動態應力觸發以及下地殼和上地幔流動變形機制等方面，對這些大震效應作了一些成因機理討論。
  2. The formation of the enriched mantle ( em1 ) is attributed to the strong metasomatism - taking place between subducted yangtze lower crust and nc ( north of china ) ancient lithosphere

    2 、火山巖、堿性超基性脈巖和基性脈巖（除少數外）都形成於大陸板內拉張環境。
  3. There are distributed a great number of cenozoic basalts and mantle derived xenoliths in north china and south china. for understanding the materials constitutes, evolution, mantle metasomatism, and inhomogeneity of the lower crust and upper mantle, there is a must of doing some research on these host basalts and the xenoliths

    華北、華南地區發育大量新生代玄武巖及幔源包體，對其進行研究，有利於進一步深入了解下地殼和上地幔的物質組成、演化、地幔交代和不均一性以及地球物理反演結果的可靠性等。
  4. ( 3 ) the mineral source was provided by both lower crust, upper mantle and upper crust, obviously from crust - mantle mixing

    （ 3 ）礦田中的成礦物質的不僅來自於下地殼和上地幔，而且還來自於上地殼，具有殼幔混合特徵。
  5. " 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。 」
  6. The velocity difference between the two layers of the lower crust is not obvious

    下地殼的兩構造層速度差異不明顯。
  7. Alkali basite, which came from upper mantle or lower crust, invaded through those structure, which not only bring cu et al mineralizing elements, but also the most important is that thermal energy. it cycled the formation water ( yinmin fonnation and luoxue formation ), and form alkali - rich, middle - high temperature and salinity fluid mixed with alkali - rich magmatic water. there were high rate of percolation and well voidage in the contact zone between yinmin purple stratum and yinmin rubblerocks, which is in favor of the transposition and mineralization of minerogenetic fluids

    因此，總結東川稀礦山式銅礦成礦模式為沉積（ fe 、 cu ） ?熱液疊加（ cu ）改造：晉寧-澄江期，小江深大斷裂發生走滑運動，在東川礦區造成右行旋扭及其派生構造，形成「 z 」字形落因破碎帶，同時來自深源（下地殼或上地幔）堿基性巖漿侵入，不僅帶來了大量cu等成礦物質，更重要的是提供了熱源，促使地層水（落雪組白雲巖和因民組紫色層）循環，與富堿（ na和k ）巖漿水混合，形成富堿中高溫高鹽度流體。
  8. On the other hand, the coastal system ' s natural adaptive response ( resilience and resistance ) to sea - level rise would induce or increase the potential risk. the changes of the coastal risk to sea - level rise are related to the coastal environment ( geology, geomorphology, coastal height, coastal slope and local ascend and subsidence trend ). the coasts with high elevation, steep coastal slope, rocky cliff, and ascending stabilization are considered to be of higher autonomous adaptive capacity, and the lower autonomous adaptive capacity areas generally occur at lower - lying beach areas and delta coasts where coastal slope is low and the crust is descending

    另一方面，海岸帶對海平面變化的自然適應能力（ 「彈力」和「阻力」 ）將使其對海平面變化的「敏感性」減少或增大，海岸自然適應能力與海岸帶的海岸環境（地質、地貌、海岸高程、海岸坡度，地殼升降運動等）有關，海拔高、海岸坡度大、地殼長期穩定上升的基巖海岸的自然適應能力較強，反之，海岸坡度平緩、地殼長期下降、地勢平坦的平原海岸和三角洲海岸的自然適應能力較弱。
  9. While there is no distict evidence to prove the tanlu fault ' s noted deep and dynamic behavior within the lower crust or even on the upper mantle. thus there still exists a necessary to research and check the understanding about the boundary ' s location and the dynamic background

    作為一級構造單元分界線的紅河斷裂、怒江斷裂是超殼斷裂，而昌寧雙江斷裂顯示為低角度鏟式斷層，中下地殼無與之對應的速度異常，可能意味著該斷裂切割不深。
  10. N2 - rich inclusions were first founded in ore area ; it may form by upper mantle or lower crust material during oxidation - devolatilization reactions

    鐵礦體被銅礦體包圍，鐵礦石被銅礦細脈穿插，說明銅礦化的形成晚于鐵礦化。
  11. Studies on the metamorphic history of the granulites on a very old platform provide us some important information of the properties, status and forming processes of the lower crust and forming mechanism of the early continent crust

    古老地臺麻粒巖的變質歷史研究可以為我們深入了解下地殼性質，狀態及形成過程，探討早期大陸地殼的形成機制提供重要的信息。
  12. One is the effect of quick stretching of lithosphere, upwelling and temperature raising of upper mantle, the other is result of the flexibility discrepancy among upper, lower crust and lithosphere under crust during the lithosphere cooling

    該運動以及渤海灣盆地在伸展裂陷階段的多次構造運動說明渤海灣盆地呈現出幕式沉降過程，東營運動則具有更重要的動力學意義。
  13. It shows that the resolution of the crust interface ' s shape on this four profiles is very good, nevertheless that of the velocity structure is relatively poor. the crust and upper mantle ' s fine configuration on the hq - 13 profile is obtained by our tomography, which reveals some important structure and dynamic features of this region : the velocity structure of the crust consists of three layers, the upper crust, the middle crust and the lower crust. however it also can be divided into six lateral blocks, each of them " s velocity is always higher or lower than that of its neighboring blocks

    本文第五章利用有限差分反演和射線反演的方法獲得了符離集?奉賢地震測深剖面（ hq - 13線）精細的地殼上地幔結構剖面，揭示出下揚子地區一些重要的結構和動力學特徵：地殼速度結構在縱向上大致可分上地殼、中地殼和下地殼三部分，橫向上可劃分為6個塊體，各塊體的p波速度沿測線方向呈現高速?低速?高速的組合。
  14. All of the mafic samples have age - corrected moderate enriched sr and enriched nd isotopic ratios and the felsic rocks span larger range in the initial sr and nd isotopic ratios than mafic volcanics, similar to isotopic compositions of lower crust of north china block

    在sr - nd同位素組成上，中基性火山巖為中等富集的sr和低的nd同位素比值；中酸性火山巖的sr同位素比值總體較中基性巖高且變化大，類似華北陸塊下地殼巖石的同位素組成特徵。
  15. Geologists and geophysicists have carried out substantial work on petrology, geochemistry, chronology and geophysics, et al., which yields important reference material and constrains for explanations of questions, such as the delamination and exhumation mechanism for the lower crust, models of the rapid uplift of himalayan orogen and deep subduction of india - eurasia plate. while only a little has been done to study the eastern syntaxis at present

    地質學家和地球物理學家已經對西構造結進行了大量的巖石學、地球化學、年代學和地球物理學等方面的研究，為解釋下地殼的拆沉、折返機制，喜馬拉雅造山帶的快速隆升和印度-歐亞板塊的大陸深俯沖模式等提供了重要的參考信息和約束條件。
  16. “ but at the same time, a horizontal pulling power inside the lower continetal crust and mantle of the earth counteracts this upward movement, " said bian

    邊研究員稱， 「但與此同時，地球下層地殼和地幔里一種水平狀的拉力阻礙著喜馬拉雅山的上升。 」
  17. A ree partition simulation suggests that the tianzhushan intermediate rocks can be generated by partial melting, in coupling with fractional crystallization, of dioritic gneiss which is similar in chemical compositions to the mafic rocks in the lower crust in north dabie ; partial melting of intermediate grey gneiss which is similar in chemical compositions to the middle crust in north dabie can generate the tianzhushan felsic rocks

    Ree配分的定量模擬計算結果表明，與基性下地殼相似的北大別基性閃長質片麻巖部分熔融並經過結晶分異能夠形成與天柱山中性巖類似的稀土元素組成，而與中性地殼相似的北大別中性灰色片麻巖部分熔融能夠形成與天柱山花崗巖類似的稀土元素組成。
  18. Ree partition simulation suggests that the tianzhushan intermediate rocks can be generated by partial melting, in coupling with fractional crystallization, of dioritic gneiss which is similar in chemical compositions to the mafic rocks in the lower crust in north dabie ; partial melting of intermediate grey gneiss which is similar in chemical compositions to the middle crust in north dabie can generate the tianzhushan felsic rocks

    Ree配分的定量模擬計算結果表明，與基性下地殼相似的北大別基性閃長質片麻巖部分熔融並經過結晶分異能夠形成與天柱山中性巖類似的稀土元素組成，而與中性地殼相似的北大別中性灰色片麻巖部分熔融能夠形成與天柱山花崗巖類似的稀土元素組成。
  19. Such an event allows the magnetic field to jerk pieces of the crust around and rearrange itself to a lower - energy state

    從英文來看，講的是磁場將自身重置於一種能量較低的狀態，而不是將譯文中所說的外殼碎片
  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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