volcanics 中文意思是什麼

volcanics 解釋
火山巖
  1. The study shows that cretaceous volcanics mainly consist of medium acidic volcanic lava and volcanoclastic rocks, with locally developed basic lava ; medium acidic volcanics mainly consists of calc - alkalic series, was formed in compressive orogenic environment, and has good reservoir property, while cretaceous basis lava mainly consists of alkalic series, was formed in rift environment, and has poor reservoir property

    結果認為,白堊紀火山巖以中酸性火山熔巖和火山碎屑巖為主,局部發育基性熔巖;中酸性火山巖以鈣堿性系列為主,形成於擠壓造山環境,儲集性能較好,而白堊紀基性熔巖以堿性系列為主,形成於裂谷環境,儲集性能較差。
  2. Chagan sag is a secondary tectonic unit in chagandelesu depression, northeastern yingen - eji ' naqi basin, and the basement of the basin is a paleozoic fold belt of continental margin or island arc at the connection region of north china plate * tarim plate and kazakstan plate, with the character of erogenic belt. in working area and its adjacent area, the forming tectonic setting of indosinian intrusion was that orogenic belt pressed strongly, intracontinental subduction ; that of early yanshan movement epoch was the stress field transferred from compression to extension meanwhile the incrassate crust of orogenic zone turned to extensional collapse ; and that of early cretaceous volcanics was that the area structure extensional collapse further more during the post period of orogenic phase

    查干凹陷屬于銀根?額濟納旗盆地東北端查干德勒蘇坳陷內的一個次級構造單元,其盆地基底為古生代時期華北板塊、哈薩克斯坦板塊和塔里木板塊交接部位形成的陸緣或島弧褶皺帶,具有古生代造山帶的性質。研究區及鄰區印支期侵入巖形成於造山帶強烈擠壓陸內俯沖的構造環境;燕山早期侵入巖形成於由擠壓轉向拉伸、造山帶的增厚陸殼開始發生伸展垮塌的構造環境;早白堊世火山巖形成於造山期后進一步發生伸展垮塌的區域構造環境。
  3. From the spatiotemporal distribution of the volcanics of kalagang frn. and tiaohu fm., we can see that there are not only eruptive facies such as rhyolite but also effusion facies such as andesite, basalt and shallow intrusive rock inside the basin

    從三塘湖盆地下二疊統卡拉崗組及中二疊統條湖組火山巖的時空分佈特徵可以看出,研究區既發育噴發相的流紋巖,又發育溢流相的玄武巖、安山巖及淺成侵入巖。
  4. Granite greenstone - hosted, meta - clastics - hosted, volcanics - subvolcanics hosted and sedimentary rock - hosted micro - disseminated gold deposits are of industrial value

    具有工業價值的金礦類型以花崗巖綠巖型、變碎屑巖型、微細浸染型、火山次火山巖型為主。
  5. 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。
  6. Rock fragments, including volcanics, are common, and the matrix consists largely of kaolin and illite.

    常見有巖石碎塊,包括火山巖屑,基質大部分為高齡土和伊利石。
  7. 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。
  8. Marine volcanics of early ordovician was found in zhifang region

    摘要紙房地區具有早奧陶世海相火山巖存在。
  9. Basic features and genesis of the early - middle cambrian epoch volcanics in the xiangmaoshan district of western part of northern qilian

    中寒武世基性火山巖基本特徵及其成因
  10. Was made up of thick neutral and basic volcanics, volcanoclastic rocks and few normal sedimentary rocks. the sedimentary rocks of tiaohu fm. were mainly composed of terreverte or mauve mudstone, sandstone and glutenite

    條湖組的分佈范圍與蘆草溝組大致相當,但巖性卻差異很大,為厚層中?基性火山巖、火山碎屑巖,是火山活動頻繁的證據,條湖組沉積巖夾在火山巖中間,主要為灰綠、紫紅色泥巖、砂巖及砂礫巖。
  11. The volcanics are most commonly andesitic in composition.

    火山巖的組成最通常是安山巖。
  12. 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。
  13. The study of geological characteristics and geochemical conditions of mazhuangshan gold deposit shows that it is closely related with old metamorphic basement and volcano - magmatic activities as well as volcanics and volcaniclastics of mazhuangshan - mingshui superimposed volcanic basin, and controlled by structures derived from closure of late palaeozoic honghe basin

    摘要對馬莊山金礦地質特徵及地球化學條件研究表明,馬莊山金礦的形成與古老變質基底、火山巖漿活動及馬莊山一明水上疊火山巖盆地的火山巖、火山碎屑巖緊密相關,並受到晚古生代紅河盆地閉合而派生的構造控制。
  14. Permian series distributed widely in the baisin. lower permian series was composed of acid, neutral, and basic volcanics, subvolcanic rocks, volcanoclastic rocks and few normal sedimentary rocks. from western to eastern, the volcanics transited from acid volcanics to neutral and basic volcanics

    二疊系在盆地內部分佈廣泛,下二疊統卡拉崗組主要發育酸、中、基性火山巖、次火山巖、火山碎屑巖及少量正常碎屑巖,由西向東火山巖由中、酸性向中、基性過渡。
  15. Based on the study on ree distribution characteristics of sinian low grade metamorphic rocks of the basement and cover volcanics, the author makes a discussion on the material source and the genesis of xiangshan volcanics, and suggests that xiangshan volcanics came mostly from the remelting of the upper crust, and the genesis should be attributed to the category of remelted granites

    摘要本文通過對相山火山盆地基底震旦系淺變質巖、蓋層火山巖稀土元素分佈特徵的研究,探討相山火山巖的物質來源及巖石成因,認為相山火山巖主要是上部地殼重熔的產物,其巖石成因應屬于重熔型花崗巖的?疇。
  16. This paper studies cretaceous volcanics distribution, rock types, tectonic setting and reservoir characteristics in the western depression of liaohe fault depression through statistics of compound logging data, core observation, thin section identification, cathodeluiminescence, scanning electron microscope, x - ray diffraction analysis, image analysis, rock chemical analysis, isotope age testing, and inclusions temperature testing

    摘要通過全區綜合錄井資料的統計、大量的巖心觀察,並利用薄片鑒定、陰極發光、掃描電鏡、 x衍射分析、圖像分析、巖石化學分析、同位素年齡測定、包裹體溫度測定等10餘種方法,對遼河斷陷西部凹陷白堊紀火山巖分佈、巖石類型、巖石系列、形成的構造背景及儲層特徵進行了研究。
  17. All of the mafic samples have age - corrected moderate enriched sr and enriched nd isotopic ratios and the felsic rocks span larger range in the initial sr and nd isotopic ratios than mafic volcanics, similar to isotopic compositions of lower crust of north china block

    在sr - nd同位素組成上,中基性火山巖為中等富集的sr和低的nd同位素比值;中酸性火山巖的sr同位素比值總體較中基性巖高且變化大,類似華北陸塊下地殼巖石的同位素組成特徵。
  18. Abstract : based on the isotopic dating data of volcanics and recent research achievements of age boundary between jurassic and cretaceous systems, it is suggested that the volcanic series in shengyuan basin must be attributed to lower cretaceous

    文摘:本文根據盛源盆地火山巖同位素年齡數據和侏羅-白堊系界線年齡的最新研究成果,認為盛源盆地火山巖系的地層時代應屬早白堊世。
  19. 4. according to lithochemistry properties of volcanics, starting with logging evaluation mechanism, a method of identifying lithology by radioactive logging is set up ; on basis of core analysis data, log response of reservoir petrophysical properties is analyzed, thus providing basis for evaluating reservoir using logging data ; on basis of testing data, combining with log imaging around wells, comprehensive classification criteria of volcanic reservoirs and porosity interpretation model are established. 5

    4 ,根據火山巖巖石化學特點,從測井評價機理出發,建立了利用放射性測井資料識別巖性的方法;以巖心分析資料為基礎,分析了儲層物性的測井響應特徵,為利用測井資料評價儲層奠定了基礎;以測試資料為依據,綜合井周成像測井資料,建立了火山巖儲層的綜合劃分標準及孔隙度解釋模型。
  20. On metallogenic characteristics of the volcanics - type uranium deposits and their ore prospects in jiangxi province

    江西火山巖型鈾礦成礦特徵及找礦前景
分享友人