sedimentary strata 中文意思是什麼

sedimentary strata 解釋
沉積巖
  • sedimentary : adj. 1. 沉澱[沉積](物)的;沉澱性的。2. 沉澱[沉積]成的;水成的。
  • strata : n. stratum 的復數。
  1. Besides, the sedimentary facies of upper ganchaigou and lower ganchaigou formation were also mapped in supersequences which are the main target strata for exploration. the high resolution sequence stratigraphic framework showed the genetic relationship between the distributions of sedimentary facies and their tectonic settings. the near - source sedimentary systems such as subaqueous alluvial fan and lake - floor fan are often deposed in rise - hemicycles in the steep slope background in the north, the coarse lithology of fan - delta prograded from north to south in fall - hemicycles, and the braided stream facies are formed in the rise - hemicycles in gentle slope background in the south, braided stream facies prograded from sorth to north in the fall - hemicycles, but the lacustrine facies and salt lake facies developed in the middle part of the area

    詳細的沉積相研究發現,紅獅地區第三系發育有沖積扇、水下沖積扇、河流、三角洲、扇三角洲、湖泊和湖底扇7種主要沉積相類型,並對作為區內主要勘探目的層系的下乾柴溝組和上乾柴溝組進行了以超層序為單位的沉積相平面編圖,以較高的時間解析度揭示了區內沉積相帶的平面展布及其在不同構造背景中的分佈規律,比如在北部的凹陷陡坡背景下,上升半旋迴低水位期通常發育有水下扇、湖底扇等陡岸近源特徵的沉積體系,下降半旋迴高水位期,扇三角洲相粗碎屑巖由北向南進積;在南部的凹陷緩坡背景下,上升半旋迴主要發育辮狀河流相,下降半旋迴辮狀河三角洲相由南向北進積;而中部紅柳泉一獅子溝一帶則為湖泊相沉積和鹽類沉積。
  2. The strata of the region are divided into two structural layers : the basement rock consisting of metamorphic rock and cover layer of mesozoic and neozoic sedimentary rock.

    將本區的地層劃分為兩個構造層:既變質巖系構成的基底構造層;中生代、新生代的沉積巖系構成的蓋層構造層。
  3. To provide the fundamental concepts of sedimentary processes and environments and the main features of sedimentary rock strata so that the students can apply the knowledge of sedimentology to the research of resource exploration and environmental changes

    提供同學沉積作用和沉積環境的基本概念和沉積巖層的主要特性,並介紹如何利用沉積學的知識從事資源探勘和環境變遷的研究。
  4. There are a series of lead - zinc polymetallic deposits, such as fozichong, dongtao, xiashui, wenlongjing and jilongding distributed along the fault zone. these deposits have some similiar features : ? ll of them are bounded in the strata of lower palaeozoic group ; ? ain orebodies occur as stratiform or stratoid form with occurrence consistent with that of host strata ; ? tratiform skam or baritic rock are the direct country rock of orebodies ; ? ypical syngenetic sedimentary fabric preserved in the ore. these deposits may be included in the same metallogenic series

    佛子沖、東桃、下水、文龍徑、雞籠頂等一系列鉛鋅多金屬礦床沿該斷裂帶分佈,這些礦床雖然在成礦規模、賦礦層位和礦石礦物組成等方面存在一些差異,但均產于下古生界地層中;主要礦體呈層狀、似層狀產出,與地層產狀大體一致;直接賦礦圍巖為層狀綠色巖或重晶石巖;礦石中保留有典型的同生沉積組構。
  5. There are 7 sedimentary microfacies that can be recognized, including underwater distributive river course, estuarine bar, submerged natural levee, etc. 2 ) on the basis of high - resolution sequence stratigraphy, distinguished basic level and base - level cycle, chang - 6 formation can be divided into 6 strata and 15 substrata, consequently the isochronous formation structure is set up

    自下而上依據高解析度地層學原理,根據識別出的基準旋迴界面以及3種在研究區常見的短期基準旋迴層序基本類型,將長6油層組劃分出6個砂層, 15個小層,建立以小層為單元的長6儲層的等時地層格架。
  6. The qiantang basin, having the most complete and extensive marine sedimentary strata during jurassic, is the second larger mesozoic marine sedimentary basin. although many achievements are obtained in recent years, the research are still only involved in second - or third - order of mesozoic sequence. on the base of sedimentation facies analysis of matuo formation, high frequency sequence are studied

    藏北羌塘盆地地處青藏高原腹部,是我國中生代第二大海相沉積盆地,侏羅紀是羌塘盆地發育最全、分佈最廣泛的海相沉積層系近年來,羌塘盆地在層序地層方面的研究已取得不少成果,但其層序地層研究多涉及中生代二級或三級層序,至於高頻層序,尚未進行詳細的研究。
  7. By comparing with the strata of " holocene series of the coastal plain of laizhou bay " and combining 14c age measurement, the strata position and features of the lagoon ? hallow sea ? each sedimentary facies are confirmed. the stratigraphic division of upper marine facies of holocene is done and the sedimentary environment of every stratum is affirmed

    通過與「萊州灣濱海平原全新統」進行地層對比並結合~ ( 14 ) c測年數據,確定了該沉積區全新世瀉湖?淺海?海灘相沉積層的層位和特徵,並對該層及其以上地層進行地層劃分,判斷出各層的沉積環境。
  8. 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。
  9. Simple disconformities between adjacent sedimentary strata (4) record time breaks in the succession.

    相鄰沿積間的簡單的假整合(4)記錄著時間序列上的間斷。
  10. Distribution characters and exploration potential of mesozoic sea facies sedimentary strata in the south china sea basin

    南海盆地中生代海相沉積地層分佈特徵及勘探潛力分析
  11. The qiangtang basin, having the most complete and extensive marine sedimentary strata during jurassic, is the second larger mesozoic marine sedimentary basin

    藏北羌塘盆地地處青藏高原腹部,是我國中生代第二大海相沉積盆地,侏羅系是羌塘盆地發育最全、分佈最廣泛的海相沉積層系。
  12. Conclusion are obtained as follows : 1. basin accepted sedimentation since sinian, and strata were well developed. it was marine sedimentary series from sinian to middle - triassic and become continental sedimentary series since late - triassic

    主要成果及認識如下: 1 、盆地自震旦紀以來長期接受沉積,地層發育良好,震旦紀至中三疊世為海相沉積體系,晚三疊世以後為陸相沉積體系。
  13. Thirdly, by comparing with holocene strata of the coastal plain of shandong peninsula, sedimentary strata of this area are divided into four layers, and sedimentary environments are comfirmed

    再次,通過與山東半島濱海平原全新統地層進行對比,對本沉積區地層進行劃分並確定各層沉積環境。
  14. The sedimentary formation can be summarized as rift bay filling sequence, epicontinental sea filling sequence, offshore debris lake basin sequence and inner continental lake basin sequence. a framework of sequence stratigraphy for the upper palaeozic strata is established in the area. the helan aulacogen of upper carboniferous in the west margin of ordos can be divided into 12 sequences, and most of the upper palaeozoic strata in the area can be divided into 15 sequences

    本文對研究區內上古生界進行了層序地層學探討,將本區沉積建造概括為裂陷海灣充填層序、陸表海充填層序、近岸碎屑湖盆層序和內陸湖盆層序,建立了研究區上古生界層序地層學格架,西緣賀蘭拗拉槽上石炭統劃分為12個層序,本區大部分地區上古生界可劃分出15個層序,並全面地概括了層序演化各階段的具體特徵。
  15. 1. the framework of mesozoic strata in the north margin of the dabie orogenic belt was reestablished according to the discovery of the tuff beds and volcanic debris in zhougongshan and fenghaungtai formations, along with their isotope ages and the correlations of sedimentary facies and heavy minerals

    在周公山組中在鳳凰臺組中發現了火山凝灰巖層利火山巖碎屑,結合同位素年代學研究以及沉積相和重礦物對比,重新釐定了大別造山帶北緣中生代地層的格架。
  16. The lower paleozoic continent marginal sedimentary strata in the north kunlun massif are sinian - cambrian alajiaoyi group and ordovician pishigaisayi formation. the former is composed of high maturity flysch deposit, the later consist of continental shelf deposit such as carbonate and slate and sandstone. these rocks implies that they might form at passive continental margin

    與其曼于特蛇綠巖相關的早古生代邊緣沉積巖在昆北地塊上為震旦?寒武系阿拉叫依巖群、奧陶系皮什蓋薩依巖組,前者為一套成熟度較高的陸源碎屑復理石沉積,後者為碳酸鹽巖和含碳板巖砂巖等陸棚沉積,顯示其具被動陸緣性質。
  17. The green - rock has following features : ? he stratiform green - rock ' s mode of occurrence is conformable with that of the strata, and there are typical syngenetic sedimentary structure in the rock ; ( 2 ) the stratiform green - rock is constituted mainly by bistagite without zonal distribution around magmatic rocks

    作者首次提出賦礦的綠色巖建造概念。其中層狀綠色巖是佛子沖礦田層狀、似層狀礦體的直接賦礦圍巖,這種層狀綠色巖一直被視為矽卡巖。
  18. Most of this area was shallow - lake, semi - deep lake and deep lake sedimentary environment, except that the area around the well ou44 was a set of steep - slope fan - delta and the dawan area was a set of small - scale fan - delta. there were fan - delta, turbidite - fan, shallow - lake, shore - marsh, semideep - lake and volcano - debris facies. in the area of the well ou39 and ou44, fan - deltas developed both in the middle and the top strata of the third member of the shahejie formation

    研究表明,粗面巖sio _ 2含量較高,流動性小,容易形成巨厚的巖鐘或巖錐,對成藏有利,同時其位於構造高部位,由於其大部在水面之上,冷卻時間長,易於從容結晶,同時還有大量裂縫作為儲集和滲濾的空間,使其成為良好的儲層。
  19. By studying the lithologjcal and mineral parameters ( pebbled elastics percent ratio, clastic maturation index, heavy crop stability factor ) of mesozoic sedimentary strata, the result shows that the northern boundary of present basin is near to the boundary of original basin and the moving distance of elastics is short, but the southern boundary of present basin is far from the boundary of original basin and the moving distance of elastics is long. the fades of northern basin are mainly delta fades and the fades of middle and southern basin are lacustrine fades

    通過對盆地中生代沉積地層中各種巖礦參數(碎屑巖含礫百分比、碎屑成熟度指數和重礦物穩定系數)分析和綜合研究認為,今盆地北部距離原始盆地沉積邊界較近,碎屑物搬運距離較短;南部距離盆地古沉積邊界較遠,沉積物搬運距離較遠;中生代盆地北部主要為三角洲沉積相,中南部為湖泊相沉積。
  20. Simple disconformities between adjacent sedimentary strata ( 4 ) record time breaks in the succession

    相鄰沿積間的簡單的假整合( 4 )記錄著時間序列上的間斷。
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