深變質巖 的英文怎麼說
中文拼音 [shēnbiànzhíyán]
深變質巖
英文
hypometamorphic rock-
All these rocks aforementioned are mainly parametamorphic rocks. milan, kaqiang and alamasi group underwent high - grade metamorphism of amphibolite facies, together with weak migmatism. they share the same geochemistry and total ree and many other chracters
二者主要為副變質巖石,米蘭巖群和卡羌巖群、阿拉瑪斯巖群變質較深為角閃巖相,普遍弱混合巖化,它們具有非常相似的地球化學特徵,稀土元素總量及其它特點一致或相近。Detail mapping shows that the yagan mcc consists of crystallized metamorphic core ( low plate ), detachment zone and upper plate. the metamorphic core consists of can be further subdivided into two level parts low - level high metamorphic and upper - level shallow metamorphic structural slice and between them there exists a ductile shear zone. thus the whole texture of the mcc is characterized by " three layers and tow zones " this reveals a process of extensional uplift of poly - level slices by poly ductile shear zones, a characteristics of poly - level extensional structural systems. the deformational environments change vertically in a sequence of high amphibolite facies
亞干變質核雜巖由下盤結晶巖系變質核、拆離帶和上盤巖系構成,其中,變質核由四個單位及許多花崗巖體(脈)組成,可進一步分為中深和中淺變質兩個構造單位(巖片) ,之間發育次級韌性拆離帶(花崗質糜棱巖帶) ,加上上盤總體構成「三層兩帶」的結構特點。The lower part formed in a littoral - epeiric environment, is a series of elastic rocks, partly contains carbonate rock and metamorphic basic volcanic rocks and the upper part formed in a bathypelagic environment is a series of sediments with chert, partly contains metamorphic basic volcanic rocks
其下部為一套濱淺相碎屑巖,局部夾碳酸鹽巖、變質基性火山巖;上部為一套深水沉積巖系夾硅質巖,局部夾變質基性火山巖。Eight aspects related to the study of early precambrian metamorphic stratigraphy are dealt with in this paper : general situation of the study ; complexity of the stratigraphy and difficulties of the study ; thoughts and methods of the study ; division of rock suite, rock group and complex rock ; researches on important regional discordances ; types and characteristics of protolith and recovery of palaeoenvironment ; correct differentiation of the metamorphic strata, ttg rock system and other metamorphic plutonic rocks ; determination of the ages of the metamorphic strata
摘要主要論述了與早前寒武紀變質地層(學)有關的8個方面的問題:早前寒武紀變質地層的研究概況;早前寒武紀變質地層的復雜性和研究難度;早前寒武紀變質地層研究的思路和工作方法;早前寒武紀變質巖石地層單位巖群、巖組和雜巖的劃分問題;重要區域性不整合的研究;鑒定變質地層的原巖類型、巖石性質和恢復古環境;正確區分變質地層和ttg巖系以及其他變質深成巖;變質地層時代的確定。At scinto 6 uranium occurs in much altered dolerite below the unconformity.
「辛托6」的鈾礦體產于不整合面之下變質甚深的粒玄巖中。At scinto 6 uranium occurs in much altered dolerite below the unconformity
「辛托6 」的鈾礦體產于不整合面之下變質甚深的粒玄巖中。The authors consider that high - pressure epidote - blueschist, high - pressure eclogite, and ultrahigh - pressure eclogite formed at the same time, but at different depths
認為高壓綠簾藍片巖相、高壓榴輝巖相、超高壓榴輝巖相是在同一俯沖帶內不同深度發生的同期變質作用產物。Greenschist facies, low green schist facies and brittle shear deformation facies. the attitude of different structural element of the yagan mcc are keeping coordination. analysis of kinematics demonstrates the sse - directed shearing - off of the hanging wall relative to the footwall along the penetrative mylonitic lineation
其變形相由變質核中心到上盤巖系(由深至淺)依次為高角閃巖相? ?綠片巖相? ?低綠片巖相? ?脆性剪切變形相,顯示亞干核雜巖由中心向邊部變形層次遞減的特點。There are two kinds of rock mass seen in the region, one is jiaodong group to the moderate metamorphose extent, another one is the granite
區內出露巖性主要有兩大類,一類是中深變質程度的膠東群,另一類是花崗巖。It analyse the stability with numerical simulation. finally, on the basis of geological estimation and analysis of the monitoring data and the numerical simulation, it conclude : ( 1 ) through the tracking investigation of the deformation phenomenon, and the study of the rock mass constructure of the slop, it determine the mode of the formation and destruction on the basis of aggregate analysis of the monitoring data
最後,結合地質判斷、監測分析結果及數值模擬分析結果以及對典型剖面的極限平衡計算結果,得出了以下主要成果: ( 1 )通過對「左砂」邊坡變形破壞跡象的跟蹤調研,對斜坡的巖體結構和已經發生的破壞跡象進行深入的研究分析,結合對監測資料的綜合分析,確定了「左砂」邊坡可能的變形破壞模式。( 2 ) taking the geology analysis as main way and combining the pre - test, predicating the tunnel ' s main geology condition ( rock quality, surrounding rock classification, long - wide joint, fault, ground water, crustal stress ), and predicating the main potential disaster ( collapse, breaking water, rockburst, large deformation ) ( 3 ) employing the stress test result and inverse analysis of the stress field, finding out the crustal stress " s distributing rule along the tunnel axes section : the highest crustal stress is 24mpa near the deepest spot, and predicting that the k2 + 260 ~ k3 + 000 likely to be the high crustal stress segment for this tunnel
通過地質分析、類比分析、監控量測、數值模擬、神經網路等方法,對鷓鴣山隧道潛在的主要地質災害(塌方、涌水、巖爆和大變形)進行了預測預報( 3 )在現場地應力測試成果的基礎上,運用數值計算進行應力場反演,基本查明了沿隧道軸線剖面的地應力分佈規律:地應力量級在最大埋深附近達到最大值24mpa ,並預測k2 + 260 k3 + 000段將很可能成為鷓鴣山隧道的高地應力段。 ( 4 )塌方往往與斷層破碎帶及千枚巖相聯系。Centered on the investigation on the evolvement of permeability as well as the coupling action between seepage and stress, the following work is carried out : 1. a further examination is given to classical biot seepage theory to discover the basic assumption to form the coupling seepage equation, and discuss the variety of coupling equations between seepage and stress and their adaptabilities. the physical meanings, adaptability, testing method of seepage parameters used in equation of continuum are analyzed based on the experimental investigations on complete relationship between stress, strain and permeability of rock and engineering test on permeability of rock at different depth
本文圍繞巖石破裂過程中滲透性的演化規律及其滲流-應力耦合作用機理這一課題,開展以下方面的研究工作: 1 .對經典biot滲流力學做了進一步的考察,揭示建立耦合滲流方程的主要假設,討論了各種滲流與應力耦合方程及數學模型的適用條件,通過巖石應力應變-滲透率全過程實驗研究和不同深度巖體滲透率工程試驗研究,分析了連續介質模型耦合滲流方程參數的物理意義、適用性、測試方法。Relating closely to the main problem of the high sidewall and wide span underground cavities excavation stability of xiluodu hydroelectric project, the evolution characters of geo - stress field in deep - cutting gorge and the whole features of the stress field, strain field and plastic failure zone around the underground chambers after excavation are studied systematically in the dissertation, based on a great deal of data gathered in field investigation and taking the flac3d v2. 0 software as basic computation tools. meanwhile, in the course of research, the new methods of dynamic numerical simulation are summarized and applied. furthermore, the effects of rock mass qualities, initial geo - stress field and excavation procedure on surrounding rock mass stability are discussed
本文緊密結合溪洛渡水電工程大跨度、高邊墻復雜地下廠房洞室群,施工開挖過程中和開挖后圍巖穩定性研究這一重大課題,在詳盡的野外地質調查工作和對大量基礎地質資料的整理與分析基礎上,以目前國際工程地質界公認的最新通用軟體flac ~ ( 3d ) 2 . 0版作為基本計算工具,從整個壩區地應力場的研究開始,通過動態數值模擬分析這一新的模擬思路,系統地研究了深切峽谷區地應力場多階段的特徵和演變規律,進而對左、右岸地下廠房洞室群開挖全過程中圍巖應力場、變形場和塑性破壞區的變化特徵,進行了全過程動態數值模擬研究,並詳細討論了圍巖質量、初始地應力場、施工開挖順序對大型地下洞室群圍巖穩定性的影響。The xuefeng mountain highway tunnel, which is to be constructed, is the most deep - lying and longest tunnel in our country. its geological conditions are more complex, the problems of rockburst and large deformation maybe its main problems of engineering geology
邵懷高速公路雪峰山隧道是目前我國擬建埋深最大和最長的公路隧道之一,地質條件較為復雜,巖爆問題和大變形問題是該隧道的主要工程地質問題。The division of regional structural systems in the study area, the timing and distribution range of the ductile shearing zone and the metamorphic core complex, and their compounding were made by the author in the light of results of the synthetic study on geology in deep, geophysical prospecting, and interpretation of remote sensing image
結合深部地質、物探和遙感解譯資料,劃分了遼東巫閭山地區構造體系和構造帶歸屬、韌性剪切帶與變質核雜巖的時代、范圍分區及其復合關系。It is therefore proposed in this paper to strengthen the exploration of such wide and deep subsags as chagannuoer and hongqi subsags, to lay emphasis on the exploration of superposed and residual fault depression, and to pay attention to the discovery of various oil and gas reservoirs including metamorphic buried hills, fracture slope breaks, and volcanic rocks, etc
因此,指出下一步應加強類似查干諾爾,紅旗等寬深窪槽的勘探,重視具疊合型和殘留型斷陷的勘探,注重尋找包括變質巖潛山,斷裂坡折帶、火山巖等在內的各類油氣藏。Qimanyuter ophiolite melange crops out 1 - 3 km in width and extends ew - nee about 50 km, parallels to the kunlun mountains. qimanyuter ophiolite melange is composed mainly of serpentinite ( metapyrolite ), peridotite, bedded gabbro, grbbro, diabase sheet and pillow - like and massif basalt as well. associated sedimentary rocks with this ophiolite melange include silicalite, dark gray silicalite and thin - bedded limestone
該混雜巖帶所包含的主要巖性單位包括:蛇紋巖(變輝橄巖) 、橄欖輝石巖、層狀輝長巖、輝長巖、輝綠巖席、枕狀、塊狀、杏仁狀玄武巖,與之共生的沉積巖為紫紅色硅質巖、深灰色硅質巖、薄層灰巖等。On the basis of a large number of field geology investigation, the theory on engineering stratification was applied to analyze and study systemically rock mass structural surface of dam abutment, and further throw light on overall character of rock mass structure. by setting up definite structural level model and statistical model, and analyzing further numerical simulation of finite element, the action of rock mass stress and shape distortion has been recognized and apprehended in depth
本論文以現場地質調查為基礎,應用系統工程層次性理論,對壩肩巖體結構面進行了系統的分析研究,闡明了壩肩巖體結構的總體特徵,建立了壩肩巖體結構的確定性層次模型和統計模型,通過進一步的有限元數值模擬分析,深化對巖體應力形變作用的認識與理解。Studies on the metamorphic history of the granulites on a very old platform provide us some important information of the properties, status and forming processes of the lower crust and forming mechanism of the early continent crust
古老地臺麻粒巖的變質歷史研究可以為我們深入了解下地殼性質,狀態及形成過程,探討早期大陸地殼的形成機制提供重要的信息。This paper particularly focuses on the theory and implementation of how to inverse underground structure by comparing incident wave and scattering wave, and recording the spare time of the waves, and forward calculations for igneous, metamorphic and sedimentary rocks are carried out to verify the feasibility
著重論述了利用慢衰減電磁波的入射波和散射波的振幅關系,以及電磁波的走時關系反演地下介質參數的基本原理及方法,同時,針對火成巖、變質巖和沉積巖,通過正演理論計算,說明了慢衰減電磁波測深的可行性。分享友人