海底地層學 的英文怎麼說
中文拼音 [hǎidedecéngxué]
海底地層學
英文
submarine stratigraphy-
Through synthetically study, some achievements are made as follows : 1. based on the application of sequence stratigraphy, for the first time the characteristics of sequence stratigraphy in the xicheng concentrated mineralization area are discussed systematically and 13 three graded imperfect sequences of devonian stratum are recognized. the result shows that hydrothermal sedimentary mineralized type and hydrothermal sedimentary - rebuilded mineralized type ore deposits occur in intergrade between two sequence, as well as occur in intergrade between highstand systems tract and transgressive systems tract
通過對該區礦床成礦作用的綜合分析研究，取得了如下一些成果和認識： 1 ）應用層序地層學理論，首次系統論述了該區泥盆系層序地層的特徵，識別出13個不完整的三級層序，並進行了區域對比。層序地層分析發現海底熱水沉積型礦床和海底熱水沉積-改造型礦床的賦礦部位是兩個層序的過渡部位，既高水位體系域向海侵體系域過渡。Applying system theory to study mineralized belt or concentrated area has been a hot topic recently. this paper applied new theory of modern seafloor hydrothermal sedimentary minerlization, sequence stratigraphy, mantle plume or hotspot and metallogenic series to study systematacially characteristic of geology and geochemistry of seafloor hydrothermal sedimentary deposits and hydrothermal sedimentary - rebuilded deposits and gold deposits
論文應用現代海底熱水沉積成礦研究成果、層序地層學、地幔熱柱或熱點理論及礦床成礦系列理論等，對本區熱水沉積型鉛鋅（銀）礦床、熱水沉積-改造型鉛鋅（銀）礦床和金礦床進行了詳細的地質地球化學研究。According to their space position, the seismic features of shallow gas in this region can be divided into three groups : ( 1 ) features in the stratum : acoustic blanket, acoustic curtains, acoustic turbidity, irregular strong top reflection boundary, and phase pull - down in both flanks ; ( 2 ) features of the seabed : seabed pockmark and giant sunken pit ; ( 3 ) features in the seawater column : acoustic plumes, cloudy turbidity and point - line - type reflection
該區的淺層氣地震特徵按空間位置分為3大類： （ 1 ）地層中的特徵：聲學空白、聲學幕、聲學擾動、不規則強反射頂界面、兩側相位下拉； （ 2 ）海底面的特徵：海底麻坑、大型塌陷坑； （ 3 ）海水層中的特徵：聲學羽流、雲狀擾動、點劃線反射。Biogeochemical characteristics of organic carbon in surface sediments from the chukchi sea
北極楚科奇海海底表層沉積物有機碳的生物地球化學特徵To get the stability of shallow structure foundation and adjacent seabed in cheng dao shallow sea area, we have made an investigation on high resolution echo depth side sonar and shallow strata section etc. and made use of experiment analysis of core, in situ, indoor to compute, analyze and assess the stability on new computing method
為了得到埕島海域淺水區構築物地基及周邊底床穩定性，本文通過高解析度的回聲測深、旁側聲納及淺地層剖面等聲學儀器勘查，並結合鉆孔、現場和室內的實驗分析，採用新的計算方法，對埕島海域淺水區人工構築物地基及周邊底床穩定性進行了計算、分析和評價。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。In paleoceanography, it plays an important role in determining the temperature of the paleo - sea surface, providing an understanding of the relationship between the primary paleoproduction and the carbon cycle, and testing the hypothesis of submarine methane release
在古海洋學領域，表層海水溫度、海洋初級生產力的大小及其種群結構的變化對全球碳第循環的影響、海底甲烷釋放等關鍵性科學問題都需要有機生物地球化學積極參與。In this study, we investigate the microbial diversity of deep sea sediments and analyze the characteristic of substance and energy conversion driven by microorganism in " warm pool " area for the first time. samples including deep sea sediments of the pacific ocean and other environmental samples from polar region were collected and analyzed
本論文首次對「暖池」區海底沉積物中的微生物進行了分子生態學研究，分析了微生物多樣性，對由微生物參與的物質能量循環特徵進行了探討，為研究深海生物圈在地球圈層相互作用中的地位提供了參考資料。分享友人