熔融期 的英文怎麼說

中文拼音 [róngróng]
熔融期 英文
meltdown period
  • : 動詞(熔化) melt; fuse; smelt
  • : Ⅰ動詞1 (融化) melt; thaw 2 (融合; 調和) blend; fuse; be in harmony Ⅱ形容詞[書面語]1 (長遠; ...
  • : 期名詞[書面語]1. (一周年) a full year; anniversary 2. (一整月) a full month
  1. Distant effect of jurassic collisions of qiangtang terrane, lasa terrane and paleo - pacific land onto the eurasian land made east qinling - dabie mountains in a compressional circumstance for a long time, and suppressed its orogenic extension ; whereas, cretaceous late - collisional extension and appearance of west pacific trench - arc - basin system relieved east qinling - dabie mountains of external compression, instantly result in violent orogenic lithosphere delamination - extension and depressurized - calefactive melting, and consequently, led to the formation of large scale early cretaceous granitoids and intermediate - acidic volcanic rocks

    羌塘地體拉薩地體和西太平洋古陸在侏羅紀與歐亞大陸拼貼碰撞的遠距離效應使東秦嶺大別造山帶長處于擠壓環境,伸展作用被抑制白堊紀的碰撞晚伸展和西太平洋溝弧盆體系的遠距離效應使東秦嶺大別地區的外部擠壓消失,導致造山帶巖石圈迅速強烈拆沉伸展和減壓增溫,從而形成大規模早白堊世花崗巖類和中酸性火山巖。
  2. Secondly, based on the microbeam analytical technique, on the one hand, through investigating the characteristic of major elements in the mantle minerals the author acquired the static information from mantle ; on the other hand, through multi - point analysis of a part of the minerals from mantle, the auther got dynamic information from mantle. finally, generalizating the fruits of this study and predecessors, the autor holds that the constituents of lithospheric mantle possibly includes spinel lherzolites, clinopyroxenites, websterite, dunite, harzburgites, garnet lherzite, phlogopite lherzite, eclogites, clinopyroxene megacrysts ; compared with east china and north china platform, the research field mantle shows the characteristics of higher degree of partial melting processes and more depleted mantle ; the. upper mantle beneath north hetian area is heterogeneous, with a tendency of deficit in a12o3 and lree from kaliyang in west hetian to the river basin of kalakshi river and yulongkashi river ; the subduction of the crust beneath north hetian has ever occurred in geological history and caused the mixing of mantle - crust ; the depth of the origination of basaltic magmas beneath north hetian exceeds 73km ; the thickness of the lithosphere beneath the research area amounts to 204. 9km ; the mantle beneath north hetian has geological condtions for forming diamond deposits

    最後,綜合本區幔源礦物和地幔巖石的特徵以及地球物理資料,得出如下結論:本區上地幔的物質組成有尖晶石二輝橄欖巖、二輝巖、單斜輝石巖、純橄欖巖、方輝橄欖巖、石榴石二輝橄欖巖、金雲母二輝橄欖巖、榴輝巖;與中國東部以及華北地臺上地幔相比,研究區上地幔具有富集主元素中相容元素和虧損其中的不相容元素的特徵,局部程度較高;上地幔存在橫向和縱向的不均一性,從西部的克里陽到喀拉喀什河和玉龍喀什河流域, al和lree富集程度呈下降趨勢,不同來源的相同礦物中主元素的含量差異較大;地質歷史時這里可能發生過地殼俯沖並產生殼幔混合作用;玄武巖漿的起源深度73km ;從幔源重砂礦物的溫壓估算結果,可以推斷出巖石圈厚度可達204 . 9km ;綜合巖石圈物質組成特徵、巖石圈熱狀態、地幔溫壓狀態、氧逸度以及幔源巖石和幔源礦物的化學成分,認為研究區具備了金剛石成礦地幔地質條件。
  3. And apatite. by these analyses and comparison with general granite both in china and the world and with the granite in other au or cu belt in china, the characteristics of the granite in this area are concluded as follows. it belongs to magnetite - i or syntectic granite and has crust - mantle mixed characteristics ; it was formed mainly by crystallization differentiation of melting magma and multiphase varied intrusion ; the degree of differentiation evolvement is not high ; the granite and its enclaves p. re congenetic ; the range of temperature is about 500 - 700, the range of pressure is about 2. 50 gpa - 4. 35 gpa, and the range of oxygen fugacity ( lg fo2 ) is - 15. 53 - - 14. 00 ; most granite bodies formed before the collision of plates, and few formed after the collision of plates

    通過對測試數據的分析與綜合研究,並同中國和世界一般花崗巖類以及中國主要金、銅成礦巖體的花崗巖類進行對比,得出本區花崗巖類巖石具有以下特徵:屬磁鐵礦-型或同型花崗巖,其巖漿物質具殼幔混源特徵:主要由態巖漿經結晶分異作用,通過多變速上侵而形成;其分異演化程度較低;寄主巖基和包體具有同源性;巖石的形成溫度范圍約為500 - 700 ,壓力大約為2 . 50gpa - 4 . 35gpa ,氧逸度值1gfo _ 2為- 15 . 53 ? 14 . 00 ;該巖帶主要形成於板塊碰撞前消減的活動板塊邊緣,為燕山至喜馬拉雅早的大陸邊緣火山弧環境的產物。
  4. 2 both the hanging wall and the footwail rock of ore bodies are garnet biotite schist, protoliths are alkaline volcanic rocks ( tracyh andesite ). according to characteristics of trace elements assemblages and the setting of tectonics, these alkaline volcanic rocks were derived from the lower degree melting of metasomatic and enriched mantle ( eml ) in the initial stage of middle proterozoic epoch. they strongly enriched in large ion lithophile elements ( lile ), such as ba

    2 、礦體頂、底板圍巖(石榴石黑雲母片巖、鈉長黑雲母片巖等)的原巖為堿性火山巖(粗面安山巖) ,相對富集大離子親石元素ba 、 cs 、 rb 、 k 、 lree及貧zr 、 sr 、 ti 、 hf 、 hree ,為早元古代末-中元古代早交代富集地幔低程度部分所形成的堿性火山巖。
  5. The lv zone is due to interstitial free volatiles and incipient melting.

    低速層是由於空隙自由揮發和初作用造成的。
  6. Long-term recycling of these materials will occur when they are melted to form magmas erupted from the benioff zone.

    當這些物質形成巖漿,從貝尼奧夫帶噴發時,這些物質將發生長的再循環。
  7. The central peaks of several craters on the flanks of syrtis major are made up of an even more silica - rich rock, granite, that may have formed by extreme crystal separation or by large - scale remelting of earlier basalts

    在大三角側面,幾個火山口的中間尖點是由一種矽含量更高的巖石花崗巖所構成,可能是經極度晶體分化,或早玄武巖大?圍重新而形成。
  8. Early on, dense iron sank out of the magma oceans to form the metallic core, liberating enough gravitational energy to melt the entire planet

    更早的時候,較重的鐵自巖漿海中析出下沉,漸漸形成了金屬成份的地核,下沉時釋放出的重力位能足以把整個地球再次
  9. During the yanshanian phrase, the area is in the condition of contractional background, with multi - staged tectonic reversion. 5. through studying the origin of volcanic rocks and the characteristics of magma evolution, it concludes that there exist 3 originated areas of magma - from mantle, crust, and mantle - crust exchange. the basic magma of nandaling volcanic rocks of early jurassic is derived from upper mantle ; the magma of tiaojishan volcanic rocks of mid jurassic is formed in the contractional tectonic setting, and derived from the transition zone of crust and mantle interaction ; the acid magma of l

    5 、通過巖石化學、微量元素、稀土元素的研究,探討了不同級別節律的火山巖成因、巖漿演化等特徵,認為本區燕山火山巖有三個巖漿源區,即地幔源、地殼源和殼幔混源,早侏羅世的南大嶺旋迴的基性巖漿,起源於上地幔;中侏羅世髫髻山旋迴火山巖是在相對擠壓環境中,巖漿起源於殼幔過渡帶;晚侏羅世無負eu異常的酸性巖漿來源於下地殼的古老結晶基底的局部,有負eu異常的酸性巖漿來源於上地殼的局部;早白堊世火山巖基性巖漿起源於上地幔,中性巖漿起源於下地殼底部的殼幔過渡帶。
  10. The alkaline basalts in southern hunan are suggested to have formed by small degrees of decompression melting of the asthenosphere mantle during the initial extension. the transitional ( the chebu gabbro ) and tholeiitic basaltic magmas were generated by relatively larger degrees of partial melting of the mantle

    在裂谷初,軟流圈地幔的小比例部分形成堿性玄武巖(湘南) ,在裂谷拉張作用比較強、地幔部分比例比較大時形成贛南和湘南的過渡型(車步輝長巖)及拉斑質玄武巖。
  11. The stove liner of blast furnace is damaged seriously for the influence of iron water melting metal, chemical corrosion of stove residual and furnace lump in the middle and later term

    摘要由於鐵水金屬以及爐渣的化學侵蝕和爐瘤的影響,高爐中後爐襯受損嚴重。
  12. The quantity melted at a single operation or in one period

    化量單一操作中化的量,或在一定時化的量
  13. These rocks were created early in lunar history, when the outer portion of the moon was completely molten ; the low - density anorthosite floated to the surface of the magma ocean

    這些巖石在月球歷史的早形成,當時月球外部完全呈狀態,低密度的斜長巖會浮到巖漿海的表面。
  14. 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俯沖交代的古老巖石圈地幔部分作用,俯沖交代作用可能與早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型地幔源區的部分作用。
  15. The presence of kreep - rich rocks indicates that the early moon underwent intense melting and differentiation, a process in which the incompatible elements were concentrated in the molten part of an increasingly solid, crystallized system

    富含kreep巖石的存在,表示早月球曾受強烈的化和分異作用;這個過程中,不相容元素會凝聚在逐漸固化、結晶系統中的部份。
  16. Vigorous convection during the rapid dendritic growth, to aid the dendrite breakup, transfer the newly formed grains throughout the melt, and homogenize the temperature of the melt

    在晶枝的快速形成間,劇烈的對流有助於晶枝分裂,將新形成的顆粒傳遞到整個金屬,使金屬的溫度均勻。
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