海底巖化 的英文怎麼說
中文拼音 [hǎideyánhuà]
海底巖化
英文
halmyrolysis-
Benthic foraminifer fauna, ams14c dating and acoustic sub - bottom profile was analyzed in the core ey02 - 2 and ey02 - 1 drilled from the muddy deposit in the middle southern yellow sea and the mid - shelf of north east china sea. considering the results of core qc2 ? dz4 and the standard oxygen isotope curves, we discussed the late - quaterenary paleo - environment evolution, benthic foraminifer fauna, paleo - climate, the climate events and water mass in postglacial period, average sedimentation rates, paleo - water depth, origin of sediments, average sea level rise rate in the shelf of south yellow sea and east china sea. at last we discussed the condition of sea level rise in the east china, green house effect and the protection of coastal zone
本文根據南黃海中部泥質區和東海中陸架的兩個鉆孔巖芯的古生物、 ams ~ ( 14 ) c測年、淺地層剖面等,參考qc _ 2 、 dz _ 4成果及標準氧同位素曲線探討了黃東海陸架晚第四紀古環境演化、底棲動物群特徵、古氣候、冰後期以來氣候事件、古水團、沉積速率、古水深、沉積物源、海平面平均上升率,討論目前中國東部海平面上升的狀況、溫室效應及海岸帶保護。Erlian basin is a rift lacustrine basin developed on the hercynian geosyncline folded base in early cretaceous, is featured by simple sedimentary feature, depositional cycle, small lacustrine transgressive, dry climate, salinization lacustrine water and multi - and - near sources
摘要二連盆地是在海西期地槽褶皺基底上發育起來的早白堊世斷陷湖泊群,具有湖盆湖浸規模較小、氣候條件乾燥、湖水咸化、沉積旋迴單一,多物源、近物源和粗碎屑等沉積特徵,以及發育巖性地層油氣藏為主的油氣分佈特點。Detailed studies of tectonic unit and mineralized pedigree in each tectonic unit and each period provided that tectonic evolution passed an evolutionary sequence from early extension - transition - late compression that correspond to mineralization - sediment and submarine eruption - exhalation mineralization - moderate to acid magma and tectonic hydrothermalism that are relevant to mantle - derived magma and volcanic activities ; the mineralized pedigree can be indicated as mantle derived - inner basin and deep source - crust source ore - forming materials
對各時期、各構造單元的成礦譜系進行了詳細研究,提出構造運動演化從早期拉張過渡晚期擠壓的演化序列,分別對應于以幔源巖漿和火山活動有關的成礦作用沉積及海底噴流?噴氣成礦作用中酸性巖漿及構造熱液成礦作用;在成礦物質上由幔源盆內及深源殼源的成礦譜系。According to the study of the mineral evolving, origin analysis etc., it is considered that the source of minerals etc mainly comes from the pyritization sources of the submarine volcano eruption
認為含礦巖系的物源主要來自海底火山噴發作用形成的黃鐵礦化礦源層。Abstract : according to the composition, the thermal - water sedimentary rocks of yinmin formation in the dongchuang copper ore field can be divided into nine types, of which skarnoid, cupric magnetite carbonate, paracontemporaneous breccia formed in thermal water processing are confirmed and named in this study
文摘:東川銅礦田因民組熱水沉積巖根據主要成分可分為9大類,其中類夕卡巖、含銅磁鐵碳酸鹽巖、熱水膠結準同生角礫巖為本次研究確定和命名,其礦物組合、微量元素、稀土元素等地球化學特徵表明:它們是海底火山噴流沉積作用的產物。The results indicate that submarine hot water deposition is the main ore - forming process of the uranium - bearing vonsenite deposit, and that the economic deposit was formed on the basis of further enrichment of boron and iron through the superposition and transformation by regional metamorphism and migmatization
研究表明,該礦床的成礦作用主要表現為海底熱水沉積成礦,區域變質混合巖化作用對礦床進行了強烈的疊加改造,使硼鐵進一步富集而形成工業礦床。The abnormalities in the seasons and the weather, the rapid melting of the polar ice cap, the rising temperature of the oceans, the continuous expansion of the hole in the ozone layer, the acid rain given back to us by mother earth, sinking land masses and rising sea levels - what do all these reactions of the natural environment tell us that things turn for the worse when they reach the extreme seems not to be something which people take heed of
人類賴以生存的地球已是岌岌可危,生態環境在不斷的破壞下已產生了顯著的變化,四季氣溫異常北極冰巖急速溶化海水水溫高漲臭氧層的破洞繼續擴張大自然「還贈」給人們的酸雨陸地下陷海平面上升,這種種的自然界反應到底給了我們什麼啟示?物極必反的道理,似乎很難在人們心中起警惕的效應。Now, sr isotopes can be used not only to constrain the origin and evolution of magma and hydrothermal ore - forming solutions, calculate the scale and degree of lithogenesis and ascertain the relations between fluids and rocks, but also to study sea - level fluctuation, plate movement, ocean - floor spreading and lithogenic evolution
現在,鍶同位素不僅在示蹤巖漿及成礦熱液的來源和演化、計算晚期成巖改造作用的規模和程度及流體/巖石比等方面已趨于成熟,並且越來越廣泛運用於海平面變化、板塊活動、海底擴張、成巖演化等方面的研究。During this evolution, seven second - order tectonic units were formed ; from north to south are the mingqianri cretaceous residual sea basin, the arsuo tectonic melange zone, the taricuo - wenbu yenshan magmatic arc belt, the cuoqin - bangduo late paleozoic composite back - arc basin, the jiangrang - geerdi faulted uplift, the gangdise - chazi himalayan magmatic arc belt, and the xigaze - anba fore - arc basin. these units comprise important parts of a poly - arc - basin system and exhibit evolutional features of mesozoic to cenozoic arc - basin systems. mosaic pattern of these tectonic units delineates the lithosphere coupling processes of the gangdise tectonic belt under mechanisms such as back - arc basin attenuation and arc - continent collision
自中新生代以來,岡底斯構造帶經歷了洋殼俯沖、弧陸碰撞、陸內俯沖-碰撞、走滑和塊段隆升的多階段構造演化歷程,形成了由北向南七個二級構造單元,即岷千日白堊紀殘余海盆、阿索構造混雜巖帶、它日錯?文部燕山期巖漿弧帶、措勤?幫多晚古生代復合弧后盆地、江讓?格爾耿斷隆、岡底斯?查孜喜馬拉雅期巖漿弧帶、日喀則?安巴弧前盆地。Hong kong s land and coasts reflect the nature of the underlying rock, the processes that have shaped the rocks, the climate and sea level changes long ago
香港面積雖小,地形卻變化萬千。香港的地貌顯示了底層巖石各種形成作用,以及漫長歲月的氣候變化和海平面變動帶來的影響。The great number of pores of reef rocks disappeared due to multi - generational cementation in submarine and taphonomic environments. the pores in reef rocks are mainly secondary and the primary pores are almost filled up. the evolution of pores is wholly controlled by diagenesis, all in a word, the histoty of diagenesis is evolution of pores
礁灰巖中的大量孔隙被海底和埋藏成巖環境中多期膠結物充填而喪失,孔隙類型以次生孔隙為特徵,原生孔隙基本被填實,孔隙演化完全受成巖作用的控制,成巖作用的發展史就是孔隙的演化史。There are two series of cu, au deposits, the stratiformed deposits and the intrusive - related ones in the mineralization belt of the middle and lower reaches of the yangtze river area. comparative studies on forming geodynamic backgrounds, geological and geochemical conditions of the ore - forming systems have been undertaken in this paper. the stratiformed deposits were formed in hercynian period by submarine exhalation - sedimentation sedex of hot brine through the synchronous basement faults in a tensional environmental, and the intrusive - related deposits were formed in yenshanian in a tensional or a transitional period to tensional environment during the upper mantle doming by water - rock interaction and complex transport - chemical reaction dynamic processes, the ore - forming fluids were mainly magmatic water from melt - fluid partition and some meteoric water
成礦流體系統形成的地球動力學背景及地質地球化學條件對比研究表明,賦存於石炭系中的層狀銅金礦床是海西期拉張背景下熱鹵水沿同生斷裂經噴流作用形成的海底噴流熱水沉積礦床與燕山期中酸性侵入巖有關的銅金礦床是在上地幔隆起張性或向張性過渡背景下形成的,是中酸性巖漿經熔體流體分離作用形成的巖漿熱液與大氣降水混合,經水巖作用等復雜的輸運和化學反應耦合過程的動力學產物。Ground - up shells of marine organisms mixed with pebbles, clay and eroded rock, deposited there over many millennia, now form a bed of muddy paste that is so soft and well lubricated that the ice streams can glide along even more easily than earlier researchers expected
有科學家將積冰融化出一公里長的窄洞,採集古老海床的樣本,結果發現地底混雜了海洋生物殼體、礫石、黏土與風化巖,幾千年下來形成又軟又滑的泥床,使冰流較先前研究人員預期的更容易滑動。To get the genuine seafloor rock medium electrical model, data processing about seafloor magnetolluric raw signal requires information such as seafloor instrument bearing orientation, obliquity, and temperature, by which the real vector change bearing of seafloor magnetolluric fields can be acquired, and then the uniform explanation about the whole survey of multi station is obtained
為真實地獲取海底巖石介質的電性模型,在對海底大地電磁實測信號進行數據處理的同時,需參考海底儀器的方位朝向、傾斜姿態等信息,以便認識海底電磁場真實的矢量變化方向,進而實現對整個測網多站位的統一資料解釋。The result of study of geology and geochemistry indicates that forming manner is exogenous, but compositions mainly comes from deep part of lithosphere. 3. acceding to geological characteristics of ore deposits and the mode of mineralization, deposits of lead - zinc - ( sil
熱水沉積巖的地球化學研究結果認為,熱水沉積巖的形成是在海底盆地中進行的,但它的物質來源不是陸源沉積物,而是來源於地殼的內部,即形成方式和環境具外生特徵,物質來源具內生特點。分享友人