海底礦床 的英文怎麼說
中文拼音 [hǎidekuàngchuáng]
海底礦床
英文
sea floor deposits-
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。It seems that submarine magmatism and hydrothermal activity provided abundant ore - forming material for partly strata of mogaganri and yanshiping formations during the extension of bangongcuo - nujian marginal sea in early - middle jurassic. therefore parts of jurassic mogaganri and yanshiping formations became original source of ore - forming material. in later early jurassic, the collision and collage between qiangtang block and nianqing - tanggula block made favorable conditions in geological structure, magma and ore - forming fluids for the formation of gold deposits
在早-中侏羅世班公錯?怒江邊緣海擴張過程中，海底巖漿及其熱液作用，為侏羅系木嘎崗日群和雁石坪群部分層位提供了大量的礦源，使其成為初始礦源層；早白堊世晚期，羌塘地塊和岡底斯?念青唐古拉地塊碰撞拼貼，造成了有利的構造條件、巖漿條件、成礦流體條件，形成礦床。Instead, they have formed deposits of coal, natural gas and oil, often located far beneath the land surface or the sea-bed.
它們往往在地表或海底以下很深的地方形成了煤、天然氣和石油的礦床。The ore - bearing fluid of dabaoshan deposit was relate to magmatic thermal dynamic process and formed hydrothermal sedimentary polymetallic deposit at seafloor. the ore - bearing fluid of fankou was relate to circulation hydrothermal fluid in deep formation and formed pb - zn - ag - hg polymetallic middle - lower temperature sedimentary deposit by sea - floor thermal spring overflowing
大寶山型流體與巖漿熱動力作用有關，形成海底火山熱液沉積多金屬礦床；凡口型流體與深部建造的循環熱液有關，形成中低溫海底熱泉噴溢沉積鉛鋅銀汞礦床；紅巖型流體與盆地成巖壓實水有關，形成低溫單一黃鐵礦礦床。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。In the aspect of metallogenic theories, this paper mainly presents retrospects of the research history of such problems as varied and complex submarine ore - forming processes, three huge metallogenic provinces, metallogenic models, intermediate - acid magmatic rocks and their related ore - forming processes, stratabound deposits and the application of isotopes, trace elements and fluid inclusions to metallogenic studies
在成礦理論方面，主要就多樣復雜的海底成礦，三大巨型成礦域，成礦模式，中酸性巖漿巖及有關成礦作用，層控礦床，同位素、微量元素及氣液包裹體運用於成礦等問題的研究歷史作了回顧。Fankou pb - zn deposit is a submarinehydrothermal spring effusion type ore deposit, which occurred in upper paleozoic carbonaterock formation
凡口鉛鋅礦床是發育于上古生界碳酸鹽巖建造中的海底熱泉噴溢礦床。By analyzing and generalizing minerogenetic and geological background, mineral constituent, rare - earth element, isotope and typomorphic feature of sulpurization mineral, finally, we made a conclusion that fankou desposit resulted from the hot spring eruption at the bottom of sea, it has a character of syngenetic sedimentary deposit, which was affected by the late hydrothermal superimposed and light rebuilding after it came into being, which is typical sedex bedded - controlled deposit
通過對凡口礦床的成礦地質背景、礦物成分、稀土元素、同位素以及的黃鐵礦、閃鋅礦、方鉛礦標型特徵進行了分析總結，確定了凡口礦床是海底熱泉噴溢形成的，同時又受到後期熱液輕微疊加改造，屬于典型的sedex型層控礦床。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。Warmhearted water deposited eruption of sea floor pyrite rolled cakes have been discovered, in the layers of 1a, 1b, 1c and so on. some warmhearted water deposited feature mineral could been seen under the microscope, such as tourmaline ect. warmhearted water deposited eruption of early phase pyrite ' s rolled cakes is one of gold mine bed mine source
在1a 、 1b 、 1c等地層中，可發現海底熱水沉積所噴發的黃鐵礦團塊，在顯微鏡下可以看到一些熱水沉積的特徵礦物，如電氣石等，早期熱水沉積所噴發的黃鐵礦團塊為金礦床礦源之一。分享友人