次積巖 的英文怎麼說
中文拼音 [cìjīyán]
次積巖
英文
derivative rock-
By infrared spectrum study, the limonite ( feooh nh2o ) can be considered the main colorating mineral in the yellow and red jadeite, and the hematite is another colorating mineral in the red jadeite. the difference of color tone is due to the n value in the molecular formula feooh nh2o and the content of crystal water and adsorbent water. the iron ion came from the effloresced and eroded rocks, and formed fe ( oh ) 3 colloid reacted with the surface water
周圍礦床的風化蝕變為表生水提供了鐵質,形成弱酸性的含fe ( oh ) _ 3膠體的水溶液,表生水流經翡翠礦石時, fe ( oh ) _ 3膠體附著在巖石的表面,經過脫水結晶和吸附,形成褐鐵礦膠體,褐鐵礦膠體沿裂隙或鬆散的礦物顆粒進入翡翠巖石中,逐漸累積沉澱,形成次生色層。The le - an oil field is located on the southern slope of dong - ying sag. there are two sets of ek basalt in its western block. depending on the drilling, the logging and the seismic date, tha ek basalt has the characteristics of high resistancs, the low sound wave defferance and faradic conductance, the smooth curve of self potential
樂安油田位於東營窪陷南斜坡上,其西區發育了兩套孔店組玄武巖,根據鉆井、測井、地震資料,孔店組玄武巖具有電阻率高、聲波時差值和感應電導率值低、自然電位曲線平直的特點,地震波呈板狀強反射;沉積期該區有有二次火山活動,玄武巖平面分佈比較穩定,噴發方式為「裂隙式噴溢」 ,火山口分別位於草12和草31井附近。On the east terrace - fault slope of the depression, the sedimentary mode of fan - shaped delta - slump turbid fan - deep lake facies are developed. on the long axial direction of fula depression, the southeastern groove was filled with a large scale delta which was the main sources, the other little delta limited by the 3 syndepositional fault was distributed down the slope edge of the northern sub - depression. this stage developed a favorable oil sources, reservoir and regional seal which formed the good matching relations of generation, reservoir and seal in the time - space zone
Abugarbra組的sc和sd層序發育在邊界斷層和同沉積斷層活動劇烈、湖盆擴張期,凹陷中心發育半深湖-深湖相沉積,在凹陷陡坡發育近岸水下扇,斷階緩坡帶發育扇三角洲?滑塌濁積扇?深湖相組合,長軸凹槽和北部次凹的北部緩坡帶發育三角洲體系,此層位是有利生油層和巖性圈閉發育層段。China is potential for gold mineral resources, especially for granite - greenstone hosted, meta - clastics - hosted, volcanics - subvolcanics - hosted gold deposit and sedimentary rock - hosted micro - disseminated gold deposits
中國金礦找礦前景可觀,以產于花崗巖綠巖地體中的金礦、產于沉積巖中的微細浸染型金礦、產于變碎屑巖中的金礦和產於火山次火山巖中的金礦最具找礦潛力。The factors that probably leads to cracks are put forward based on the analysis, which in turn are : the deformation of surrounding rock and the deformation of concrete volume and the pelter of air temperature and thermal insulation temperature rise and the thickness of liner and cooling pipe
通過分析得出了導致裂縫的幾種可能原因依次為:混凝土的圍巖變形、自生體積變形、氣溫驟降、絕熱溫升、襯砌厚度和冷卻水管等,為今後類似工程提供理論依據。Taowan conglomerate was formed with underwater seismism at early cambrian period and consists of shattering sedimentary rock, tsunami rock, seismic turbidite and seismic volcanic rock. the shattering sedimentary rock consists of folded rock, cracked rock and autobreccia. the seismic turbidite is located in the south of luonan ductile shear zone and is called the narrow taowan conglomerate. contrarily the broad taowan conglomerate consists of shattering sedimentary rock, tsunami rock located in the north of the zone. the seismic sequence of shattering sedimentary rock - tsunami rock - seismic turbidite - seismic volcanic rock - normal sedimentary rock was first found in luonan shanxi and is rare among the reported examples about it, so it is a good example and offers power evidences to study how the southern marginal basin of huabei plate transferred to qinling orogenic belt
震濁積巖分佈於洛河韌性剪切構造帶之南,屬傳統"陶灣礫巖"范圍和涵義,即為狹義陶灣礫巖而廣義陶灣礫巖包括分佈於洛河韌性剪切構造帶之北的震積巖海嘯巖及狹義陶灣礫巖。陜西洛南地區首次發現的震積巖海嘯巖震濁積巖震火山巖正常背景沉積地震沉積序列之完整在所報導古地震作用沉積序列當中實屬罕見,為華北地塊南緣造山過程及深入了解古地震作用提供了良好地段和有力證據。Due to exceedingly flat arched vault of the flat tunnel with outsized span and renewed stress allocation in surrounding rock after excavation, which would inevitably induce some excessively large load on the base of arch, therefore, larger load - bearing capability in the is " foundation is a must. on the other hand, smooth face explosion must be applied to excavation of the arch base to further ensure the integrity and continuity of country rock around tunnel
特大跨超淺埋隧道拱部結構過于扁平,開挖后發生二次應力分佈,拱腳處的應力過大,要求有較大的地基承載力,拱腳開挖時必須採用光面爆破,保證圍巖的完整性和不受擾動,開挖后及時封閉,防止該處積水軟化圍巖。The yanchang formation is divided, for the first time, into six third - order sequences, each with an average time duration of about 4. 5 ma. the single sequence is composed of deltaic and lacustrine sandstones, siltstones and mudstones. the subaerial and subaqueous distributary channel and channel - mouth bar sandstone reservoirs are well developed mainly in the lowstand and highland systems tracts
論文在富縣探區首次應用陸相層序地層學的觀點和方法,把延長組劃分為6個三級層序,平均時限4 . 5ma ,各層序由三角洲與湖泊相砂、泥巖沉積組成,主要在低位體系域和高位體系域發育水下(上)分流河道和河口砂壩砂巖儲層Results the result on this sedimentary environment was an offshore terrigenous fresh water lake from permian of shiqanfeng formation marinecontinental transitional facies in the southern of north china
結果研究區地層自南西向北東呈現依次增厚的趨勢,整體為北東方向傾斜的寬緩斜坡環境;砂巖分佈特徵指示物源來自南部隆起區和沉積中心在研究區以北地區。Directed by new theories and approaches of sedimentology, diagenesis and reservoir evaluation, focused on marine clastic reservoir of donghe sandstone member, in tarim basin, strata and depositional system of donghe sandstone member are classified ; typical depositional facies types, depositional model and horizontal distribution have been studied through depositional facies analysis of 17 single wells, combined with seismic data. major diagenetic events, stages and " four history " collaboration have been systematically analysesed, furthermore, the relation between reservoir diagenesis and porosity evolution has been built ; thorough studies on reservoir lithology, physical property and pore structure, reservoir development related to depositional envoironment, diagenesis and tectonic has been discussed ; reservoir has been evaluated and predicted by five influential parameters drawn from the results of the study on depositional facies, diagenesis and reservoir characteristic. in the end, favourable reservoir body distribution has been pointed out
本論文以沉積學、沉積巖石學、沉積成巖作用與儲層地質學、儲層評價技術的新理論新方法為指導,以塔里木盆地巴楚組東河砂巖段海相碎屑巖儲層為主要研究對象,通過17口典型井的單井地層沉積相分析和成巖作用分析,結合地震資料,對東河砂巖段地層和沉積體系進行了詳細劃分,研究了東河砂巖段分佈區的典型沉積相類型、沉積模式及其平面展布特徵;系統分析了東河砂巖段碎屑巖儲層的主要成巖事件、成巖期次及其四史配置關系,指出了儲層成巖與孔隙演化的關系;深入研究了東河砂巖段碎屑巖儲層的巖石學特徵、物性分佈、孔隙結構等特徵,著重討論研究了沉積環境、成巖作用和構造作用對儲層發育的影響;運用「權重」評價法結合地層沉積相、成巖演化和儲層特徵研究的結果,選取了五個對儲層發育有重要影響的參數對儲層進行了整體的評價和預測,指出了塔里木盆地東河砂巖段儲層有利儲集體的分佈狀況。The hydrothermal breccia and karst in the beiya area are divided into 4 types and zones, including : sedimentary tuff and breccia induced by hydrothermal explosion and sedimentation on land surface ; hydrothermal sedimentary conglomerate and gas - explosive ejecting breccia related to sedimentation in and collapsing of some shallow karst caves ; netted hydotherma1 limcstone breccia and hydrothermal explosive breccia pipe related to hydrofracturing, corrosion and explosion in the hydrothermal channels ; and yellow granular limestone formed by simmering and alteration in the deep heated water reservoir
北衙地區熱水角礫巖和熱水巖溶可分為4種類型和層次,即地表相爆發沉積作用形成的沉積凝灰角礫巖、熱水沉積鮞狀灰巖與鈣華膠結角礫巖;與近地表洞穴沉積和垮塌作用有關的熱水沉積礫巖和汽爆射流角礫巖;與熱水通道相蝕裂和爆破角礫化作用有關的網路狀灰巖角礫巖筒和熱水隱爆角礫巖筒;深部相熱水浸煮蝕變灰巖。The main achievements obtained in this paper are as follows : 1. some of new recognitions were obtained on such aspects as strata sequence, rock type, metamorphism, hydrothermal alteration and the sedimentary environment by the study on many profiles in this area, with discovery of volcanic rocks for the first time in ore - bearing strata and ore bodies
取的了如下主要成果和認識: 1 、通過對礦區地層多條剖面的研究,對地層的層序、巖石類型、變質作用、熱液蝕變及原巖沉積環境有了新的認識,特別是在賦礦地層及礦體中首次發現了火山巖。A strike-valley sand is deposited in the drainage course of a subsequent stream valley.
走向谷砂巖是在次生河谷水系中沉積的。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 upper layer sediment of core q43 in the outshelf of the southern east china sea shows that it is the regressive sequence of littoral facies to offshore facies and of representative significance
以q43巖心為代表的東海南部外陸架上層沉積物,是末次冰期海退層序中,濱岸相-濱外淺水相沉積。Because the volcanics and sedimentary rocks alternated with one and another, the volcanic activity of these two periods had the characteristics of many a time, multipoint of erupting
火山巖與正常沉積巖相間分佈,且火山角礫巖發育,因此這兩個時期火山活動都具有多期次、多點噴發的特點。H " was calculated using the shannon - wiener formula : h " = ? pi ? pi e was calculated using the pielou ' s evenness index e : e = h ' hmax = h ' ? s the results showed that diversity index on different parent materials varied between 0. 49 to 1. 02, the different parent materials followed the sequence of igneous rock > sedimentary rock > metamorphic rock > unconsolidated material ; the evenness index on different parent materials varied between 0. 27 to 0. 64, the parent materials followed the sequence of igneous rock > sedimentary rock > metamorphic rock > unconsolidated material
多樣性指數運用shannon指數公式計算,均勻度指數運用pielou指數公式計算。分析結果表明發育于不同母巖上的多樣性指數范圍為0 . 49 1 . 02之間,從高到低依次為火成巖、沉積巖、變質巖和疏鬆物質;土壤均勻度指數范圍為0 . 27 0 . 64之間,從高到低依次為火成巖、沉積巖、變質巖、疏鬆物質。Based on the direction of sources and the ratios of sandstone to formation of sedimentary rocks, together with the sedimentary structures and textures, paleocurrent direction and the characteristics of paleontology, etc., the planimetric maps of sedimentary facies of each stages in the studied area are compiled in order to recognized the extension of dominant facies and the evlotionary history of sedimentary environment, hi the stage of benxi and taiyuan, lagoon - tidal flat sediments are widespread in the area, and the deposits of estuary, lagoon and small delta in the northwest margin of ordos
以物源方向和沉積巖砂地比值為基礎,結合沉積結構構造、古水流方向及古生物特徵等,編制了研究區各期次的沉積相平面圖,以識別優勢相展布和沉積環境演化。本溪期和太原期研究區瀉湖?潮坪沉積分佈廣泛,西北緣發育河口灣、瀉湖及小型三角洲沉積。Abstract : according to observation and study, the paleokarstifications of ordovician could be classified into 6 periods, i. e. depositional karstification, weathering curst karstification, burial karstification, semi - burial structural karstification, second burial karstification stage, its karstic types have mainly deposition karst, emergence karst, burial karst, wqueezing - water and structural karst or hot - water karst, and its karst - rocks can be distributed to two kinds of types, i. e. karst - sedimentary rock and karst - regenerated rock, and further to 8 subcategories and 5 sub - sub - categories in the north of anhui, china
文摘:研究表明,皖北奧陶系古巖溶可劃分為沉積巖溶作用期、風化殼巖溶作用期、埋藏巖溶作用期、構造巖溶作用期和二次埋藏巖溶作用期;其巖溶類型主要有沉積巖溶、風化殼巖溶、埋藏巖溶或壓釋水巖溶和構造巖溶或熱水巖溶四種類型;其巖溶巖包括巖溶沉積巖和巖溶改造巖兩個大類,並可進一步劃分出8個亞類和5個子亞類。According to observation and study, the paleokarstifications of ordovician could be classified into 6 periods, i. e. depositional karstification, weathering curst karstification, burial karstification, semi - burial structural karstification, second burial karstification stage, its karstic types have mainly deposition karst, emergence karst, burial karst, wqueezing - water and structural karst or hot - water karst, and its karst - rocks can be distributed to two kinds of types, i. e. karst - sedimentary rock and karst - regenerated rock, and further to 8 subcategories and 5 sub - sub - categories in the north of anhui, china
研究表明,皖北奧陶系古巖溶可劃分為沉積巖溶作用期、風化殼巖溶作用期、埋藏巖溶作用期、構造巖溶作用期和二次埋藏巖溶作用期;其巖溶類型主要有沉積巖溶、風化殼巖溶、埋藏巖溶或壓釋水巖溶和構造巖溶或熱水巖溶四種類型;其巖溶巖包括巖溶沉積巖和巖溶改造巖兩個大類,並可進一步劃分出8個亞類和5個子亞類。分享友人