洋幔 的英文怎麼說

中文拼音 [yángmàn]
洋幔 英文
oceanic mantle
  • 洋 : Ⅰ名詞1 （海洋） ocean 2 （洋錢） silver coin 3 （姓氏） a surname Ⅱ形容詞1 （盛大; 豐富） vast; m...
  • 幔 : 名詞（遮擋用的簾子） curtain; screen
  1. Amore 2001 has successfully investigated the gakkel ridge and arctic ocean in vicinity of its geological and geophysical nature, as well as the nature of sea ice and biology in this area. the preliminary onboard petrology and bathymetry results show that the mantle beneath the gakkel ridge with low temperature has only encountered very low degree partial melting during the spreading and there is no any direct relationship between the crust nature and the spreading rate along the gakkel ridge in any simple petrologic way. mantle temperature and fracture zone density also play a major role on the crust nature, besides spreading rate

    對所取得資料的初步研究表明gakkel洋中脊之下的地幔僅經受了較低程度的部分熔融，具有較低的溫度。 gakkel洋中脊處的地殼性質和巖漿活動與擴張速率之間不存在任何直接的巖石學相關性，擴張而導致的巖石圈頂部的冷卻並不是決定洋脊處地殼性質的最重要因素。地幔溫度和斷裂帶的存在與否及其密度對地殼性質具有重要的影響意義。
  2. The ophiolite massifs are composed of mantle peridotite that is mainly harzburgite and dunite, and lacked of crust magmatite within the typical ophiolite suite

    摘要該蛇綠巖帶的巖體由地幔橄欖巖組成，主要巖石類型是方輝橄欖巖和純橄欖巖，缺少典型蛇綠巖剖面中的洋殼單元。
  3. By physiognomy feature, it could be divided into three types of thermal structure : positive dome model, negative collapse model and border dome core collapse model. based on the depth degree or magma - thermal influenced, it could be divided into five types of thermal structure : ( ancient ) geothermal anomaly focus region model, superficial volcano eruption hydro - thermalism and hypabyssal intrusive model, thermal anticline ( thermal dome ) model, mid - deep intrusive model, deep mantle ( crust ) thermal plume model ; and put forward a perfect model of the thermal structure. there are many interaction system could be induced into a systematic thermal interaction, include : ocean - continent system, basin - mountain interaction, superficial and mid - deep crust - mantle interaction, crust - mantle commingle interaction, vertical thermal interaction ( delamination ) etc.

    依據地貌形態分為三類：正向穹窿型、負向塌陷型、邊隆核陷型：依據巖漿-熱力作用影響的深淺程度或深度分為五類： （古）地熱異常群集區、表淺層火山噴發-熱液活動與淺成侵入型、熱力背斜（熱穹窿） 、中深層侵入型、深部地幔（地殼）熱柱型；提出了熱力構造作用空間分佈的理想模式，將洋陸系統、盆山作用、淺表與中深部殼幔作用、殼幔混合、垂向熱力作用（拆沉）等納入一個整體統一的熱力作用系統中，為盆地動力學研究打開了一個新窗口；研討了熱力構造研究方法。
  4. Based on affirming mantle plume hypothesis, the authors introduce several 2d or 3d simulation experiments about ridge - plume ( hotspot ) interaction and some examples of hotspot - ridge interactions existing in the three oceans

    研究洋脊熱點之間的相互作用對于揭示地幔動力學、熱點附近洋殼構造的演變以及與熱點密切相關的洋中脊處的巖漿熱液活動具有重要的意義。
  5. Hotspot is a window to understand mantle plume hypothesis and dynamics of mantle plume, and the area where ridge interactions with hotspot is the best place to directly find out relationship between plate tectonics and mantle plume

    摘要地表熱點是認識地幔柱假說以及地幔柱動力學的窗口，發生在洋脊與熱點之間的相互作用則是了解地球上兩大動力系統（板塊構造和地幔柱）的直接聯系的最有利地區。
  6. It also implied that mother magma formed mafite was a residual melt trace elements distributed pattern is similar to transitional mid - ocean ridge basalt simultaneously, the pattern, which displayed a clear ( k ). rb. ba, th, ( th ) - enriched, also can be explained as an ocean ridge environment overlappe d with mantle plume

    其微量元素的分配形式類似於過渡類型的洋中脊玄武巖，同時表現出（ k ） 、 rb 、 ba 、 th 、 （ ta ）的明顯富集，也可解釋為在洋中脊環境上疊加了地幔柱的特徵。
  7. Due to the west north direction subduction, fast collapse ( delamination ) may take place and the mantle plume emerged in ludong, in addition, owing to the subduction of pacific plate under eurasian, there appeared left - lateral advection and extension for tan - lu faults ( named as yishu fault in shandong ), and together with the collapse of yanshanian orogenic belts, all induced the crustal extension in shandong

    由於太平洋板塊對歐亞板塊的俯沖（ nw向） ，魯東地區巖石圈發生了快速拆沉減薄作用，同時魯東地區也可能會出現地幔柱的活動；另外，在太平洋板塊俯沖作用影響下，郯廬斷裂（山東稱沂沭斷裂）帶發生了大型左行走滑剪切和拉張活動。
  8. The effects of ssc ( small - scale sub - lithospheric convection ) on seafloor topography are investigated by formulating a 2d thermal convection model that is parallel to plate motion

    摘要根據建立的垂直於大洋中脊的二維熱對流有限元數值模型，採用常粘性以及與溫度相關的粘性兩種粘性結構對小尺度地幔對流對海底地形的影響進行了重新研究。
  9. Any hypothetical force postulated to either push or pull oceanic plates would be quickly dissipated overcoming the friction of sliding over a static fluid mantle beneath

    任何假設的能推動或拉動大洋板塊的力，會很快因克服在其下靜態的熱體地幔上滑動的摩擦力而被消散。
  10. Cu - ni sulfided mine complex locate in baimazai of jinping county is sub alkali iron - super iron, it ' s zoning is clear and it ' s ni - cu - co melting first and enrichment, its rare earth is rich in right lean light rare earth, but eu in olive rock is serious to be bad, gd - tb is tittles negative abnormity. above - mentioned show that the mineral is cone from mantle, and didn " t mix with crustal substance, and continent tholeiite magma turning into continent tholeiite emplacement after by surging

    金平白馬寨銅鎳硫化礦床雜巖體分帶明顯、屬亞堿性鐵質-超鐵質巖、具ni - cu - co三元素先熔離，后富集的規律、稀土配分為右傾斜輕稀土富集型，但橄欖巖銪虧損顯著， gd - tb微小負異常，顯示成礦物質來源地幔，與地殼物質無混染和大陸拉斑玄武巖漿上涌后變為大洋拉斑玄武巖漿侵位特點。
  11. The story begins around 250 million year ago when the planet s hypothetical landmass pangea split, unleashing massive climatic powers across the globe. moving back into the 20th century, the film then examines the landscapes, wildlife, ecosystems and indigenous cultures of each of the seven locations

    這些板塊本來連接在一起，后來分裂及在地幔上漂移，更互相碰撞及擠壓，逐漸形成各大陸海洋山脈和島嶼，也帶來了火山爆發和地震等地殼活動。
  12. The story begins around 250 million years ago when the planet s hypotherical landmass pangea split, unleashing massive climatic powers across the globe. moving back into the 20th century, the film then examines the landscapes, wildlife, ecosystems and indigenous cultures of each of the seven locations

    這些板塊本來連接在一起，后來分裂及在地幔上漂移，更互相碰撞及擠壓，逐漸形成各大陸海洋山脈和島嶼，也帶來了火山爆發和地震等地殼活動。
  13. Workers have just put the finishing touches on an ocean drilling vessel that is designed to bore to unprecedented depths and attain a long - held goal : penetrating the earth ' s rocky crust to the mantle

    工作人員剛完成這艘海洋探測船的最後整備，它將要鉆探達到空前的深度，並且完成科學家長久以來的目標：穿過地球的巖質地殼，達到地幔。
  14. Two ree distributed pattern, lree - depleted and flat, which display a specific character of typical mid - ocean ridge tholeiite, indicate that primary magma may be derived from near primary or a typical large ion lithophile element ( lile ) - depleted mantle

    巖石稀土元素配分模式可分為lree平坦型和lree虧損型兩類，指示了其原始巖漿起源於近原始或典型的大離子元素虧損型的地幔，為典型的大洋中脊拉斑玄武巖的特徵。
  15. Therefore, they most likely originated from the asthenospheric mantle at a relatively great depth. the quaternary basalts at datong include both alkaline and tholeiitic types

    相似於洋島玄武巖（ oib ）的微量元素特徵指示玄武巖主要來自於軟流圈地幔，巖漿起源較深。
  16. 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。
  17. There is a higher heat production in the upper mantle below oceans than below continents.

    大洋下的上地幔要比大陸下的上地幔有較高的熱產率。
  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。
  19. It is further pointed out that simulation experiments combined with geology, petrology, geochemistry and geophysics ( especially for high resolution seismic technique ) in studying mantle ( hotspot ) - ridge interaction will play an important role in such reseaches as plume - ridge interactions

    在肯定地幔柱假說的基礎上，對洋脊地幔柱（熱點）的模擬實驗以及三大洋中不同擴張脊與熱點相互作用的最新研究作了系統的介紹和評述，指出室內模擬實驗以及地質學、巖石學、地球化學和地球物理學（特別是高解析度的地震技術）的結合研究將是本領域研究的發展趨勢。
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