detrital 中文意思是什麼

detrital 解釋
沖積的
  1. Based on the authigenic and clay mineral assemblage, two types of diagenetic ambient have been recognized in the meso - cainozoic detrital rocks in tarim basin

    根據自生礦物與粘土礦物組合,在塔里木中新生界碎屑巖中可以識別出兩種成巖環境。
  2. The sediments are detrital and largely of greywacke facies.

    沉積巖為碎屑質,大部分屬于雜質砂巖相。
  3. According to rock and mineral analysis, the formation consists dominantly of detrital feldspathic fine - sandstone with medium and silt sandstone secondly. lithologically, the content quartz is lower than those of feldspar and detritus, and the cement is dominated by clay, which gives the feature of low compositional maturity and low textural maturity

    館上段儲層巖性以巖屑質長石細砂巖為主,其次為中細砂巖和粉砂巖,巖石中石英含量低,而長石、巖屑含量高,膠結物以泥質為主,表現出低成分成熟度和低結構成熟度的特點。
  4. In the older rocks below these glacial deposits are detrital uraninite and pyrite, two minerals considered evidence for very low levels of atmospheric oxygen

    這些冰河沉積物下方的較老巖層,是瀝青鈾礦與黃鐵礦碎屑;這兩種礦物被認定為大氣中氧氣極為稀少的證據。
  5. The formation of a petrofabric is mainly composed of volcanics interlated with minor detrital rock, that of b petrofabric mainly detrital rock inter lated with minor volcanics, and that of c petrofabric mainly carbonate rock. the evidences in geochemistry character demonstrate that metamorphic volcanic rock of the a petrofabric belong to calc - alkaline volcanic rock

    在代表性巖石原巖研究的基礎上確立了各巖組的原巖建造類型,它們分別是: a巖組主要為一套火山巖夾碎屑巖沉積建造; b巖組主要為一套碎屑巖夾火山巖建造; c巖組主要為一套碳酸巖建造。
  6. Glauconite, detrital carbonate skeletal debris, marine fossils, and collophane are commonly present.

    海綠石、碳酸鹽骨骸碎屑、海相化石和膠磷礦普遍出現。
  7. On the basis of the types of sand stone, light and heavy mineral associations, planimetric map of sedimentary facies and directions of palaeoflow, it is considered that detrital material of terrigenous deposit of chang6 - 8 oil - beds in this area come from southwest provenance, northeast provenance, west provenance and south provenance, respectively, which are the denudation area of huating - longxian county in southwestern, yinshan ancient land in the northern, the denudation area of yantong mountain and tongxin to the west of yangjiajuzi - yinjiacheng county and qinling ancient land in the southern

    根據砂巖類型、輕、重礦物組合、沉積相帶平面展布及古水流方向等特徵的分析,認為研究區延長組長6 ? 8油層組陸源碎屑物質來自西南、東北、西部和南部四大物源區,分別為西南華亭?隴縣一帶剝蝕區,北部陰山古陸,西部的楊家咀子、殷家城以西的煙筒山、同心地區剝蝕區和南部秦嶺古陸。
  8. The utilization of detrital carbon, whether autochthonous of allochthonous, may be important in the total metabolic system of lakes.

    碎屑碳的利用,無論是資源的或他源的在湖泊的總代謝系統中都可能是重要的。
  9. The lamellibranchiiiata fossils and coral fossils of upper carboniferous period had been discoveried in the detrital rock and carbonafite rock by the geologic survey of the area of yishenjilike mountain

    摘要通過對伊什基里克山特克斯達坂一帶地質調查,首次於該區發現了一套含晚石炭世雙殼、珊瑚、腕足及植物化石的碎屑巖。
  10. The acidic liquid related to decomposition of organic mater during hydrocarbon enrichment in the late diagenesis, and m eteoric - waters during epidiagenesis, had resulted in dissolution of detrital feldspars and carbonate cements, which contributed a better retention of reservoir quality for the sandstones

    溶蝕作用是砂巖物性改善的主要原因,尤其是晚期成巖階段,在富含有機酸和無機酸酸性孔隙流體的作用下形成一定量的次生溶蝕孔,使儲層砂巖物性得到一定改善;在表生成巖階段,由於大氣降水的介入,儲層物性再次得以改善。
  11. The sediments are detrital.

    沉積巖為碎屑質。
  12. The north provenance provided main detrital material, which can be delicately divided into two different sections, taipusiqi, ji ' ning area in the east and zha ' ertai mountain, wula mountain in the middle of yinshan ancient land. the distribution of gas pool in the eastern part of ordos area was obviously controlled by sedimentary facies belts

    北物源區提供了主要的碎屑物質,它又可細分為東、西兩個不同的部分,分別為陰山古陸東部太僕寺旗、集寧地區和陰山中部的渣爾泰山、烏拉山地區。
  13. On the basis of the analyses of peripheral ancient land, types of sand stone, light and heavy mineral associations and directions of palaeoflow, it is considered that detrital material of terrigenous origin of the upper palaeozoic in this area come from south provenance and north provenance, respectively, yinshan ancient land in the northern and east qinling ancient land in the southeastern

    根據盆地周緣古陸、砂巖類型、輕、重礦物組合及古水流方向等特徵的分析,認為研究區上古生界陸源碎屑物質來自南、北兩大物源區,即北部的陰山古陸和東南部的東秦嶺古陸。
  14. The food web in soil, with two types of detrital food chain and predator food chain, is defined as a relationship of resource and consumer formed by functional groups of soil organisms

    摘要土壤食物網可定義為不同功能土壤生物類群之間形成的消費者資源關系網路,包括腐食食物鏈和捕食食物鏈。
  15. It is considered that the sequence evolution in the palaeozoic went through the following three stages, the filling of evaporate platform, the filling of carbonate and detrital rock mixed deposits in epiric sea, and the filling of detrital deposits of lake - deltas in paralic inland sag

    認為研宄區古生界層序演化經歷了以下三個階段:蒸發臺地充填階段、陸表海碳酸鹽巖與碎屑巖混合沉積階段,以及近岸內陸坳陷的湖泊三角洲碎屑巖沉積階段。
  16. 5. based on the analysis of their source rocks, the mesozoic detrital rocks in feixi area are mainly derived from metamorphic rocks of fuziling and luzhengguan groups, and the provenance of fenghuangtai formation is a disappeared ultra - high pressure metamorphic rock unit characterized with inland arc eclogites

    物源分析表明,位於肥西地區中生代碎屑巖主要來自佛子嶺群和盧鎮關群變質巖,鳳凰臺組的源區來自於一個已經消失的以島弧榴輝巖為代表的含超高壓變質巖單元。
  17. Under the guidance of new principles and methods of modern sedimentology, detrital petrography, reservoir geology, diagenesis, this thesis has carried out detailed study on paleogene formation correlation, sedimentary environment, characteristics of sedimentary facies and diagenesis of the eastern kuche depression, tarim basin, dina area being taken as the main target of the study. based on the core, geology logging, log and seismic data from 9 typical wells, combined with the data of the adjoining area, the dominant sedimentary types of the study area have been recognized and illustrated, such as fan - delta, lacus and normal delta. in terms of the analysis on the sedimentary facies of typical and connecting wells in different areas and facies belt, together with the paleogene tectonic evolution characteristics of foreland basin, the distribution and evolution of the sedimentary facies of the study area have been clearly discovered both vertically and laterally

    通過對該區9口井的巖芯、錄井、測井、地震資料及鄰區資料的分析,識別並闡述了庫車坳陷東部下第三系的幾種主要的沉積相類型,如扇三角洲相、湖泊相和正常三角洲相;通過對不同地區、不同相帶典型井及連井的沉積相分析,結合前陸盆地在下第三系的構造演化特點,弄清了迪那地區下第三系沉積相的縱橫相發育展布和演化規律,並建立了沉積相模式;同時,初步開展了成巖作用、儲層孔隙演化和儲層發育模式的研究工作,科學合理地解釋了現今迪那地區下第三系儲產層主要發育在粉砂巖中的特殊現象,首次建立了下第三系儲層的發育演化模式,為庫車坳陷東部地區進一步尋找下第三系大儲量、高產油氣藏和有利的勘探區塊提供科學的、可靠的和最直接的地質依據。
  18. The contamination of detrital illite hinders the direct application of isotope ages. in order to separate authegenic illite from detrital, iaa and alkylammonium methods are performed in illite separating

    碎屑伊利石往往與自生伊利石共生,導致樣品的年齡遠遠大於自生伊利石的真實年齡。
  19. The lower paleozoic strata in the south kunlun massif are kulafuhe group of cambbrian - ordovician. they consists of metamorphic detrital rocks, limestone, magnetite - bearing basalt, quartzite ( meta - silicalite ), which suggests that they might form at active continent margin. the geochemical characteristics of volcanic and detrital rocks do indicate that they might form at an active marginal environment such as island arc etc. associated with the qimanyuter ophiolite suit, there are lots of early paleozoic granitic plutons

    在昆南地塊上的早古生代地層為寒武?奧陶系庫拉甫河巖群,由變碎屑巖、灰巖、含磁鐵礦玄武巖、石英巖(變硅質巖)等組成,顯示其比昆北地塊有較大的活動性,火山巖和碎屑巖的巖石地球化學特徵也反映為島弧及活動邊緣環境。
  20. Geochemical characteristics of cretaceous detrital rocks and their constraint on provenance in jixi basin

    雞西盆地白堊紀碎屑巖地球化學特徵及其對物源的制約
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