火成碎屑 的英文怎麼說
中文拼音 [huǒchéngsuìxiè]
火成碎屑
英文
pyroclast; pyroclastics; tephra火成碎屑物 pyroclastic; pyroclastic material; 火成碎屑巖 pyroclastic igneous rocks; 火成碎屑 pyroclastic rock-
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。The greatest dangers of pyroclastic avalanches are probably heat and suffocation.
火成碎屑崩落的最大危害可能是熾熱和窒息作用。Prediction for igneous intrusive mass of clastic reservoir in the pericline area around central tarim basin
塔中圍斜區碎屑巖儲層火成巖侵入體預測The ash, cinders, and other fragments become a consolidated rock.
火山灰、火山渣和其它碎屑變成了固結的巖石。As bad as the pyroclastic flows are, the ash injected into the atmosphere can have even more far - reaching consequences
如同火山碎屑流般兇惡,噴發進入大氣層的火山灰甚至會造成更深遠的影響。Despite of this, the field geology and the character of pyroclastic rocks remain the basis of the petrogenesis of pyroclasic rocks
盡管這樣,野外地質和火山碎屑巖的巖性特徵,仍是火山碎屑巖成因研究的基礎。Pe trologists, both at home and abroad have spent a lot of time on the classification of pyroclastic rocks, and successively put forward the classification of pyroclasts, the petrographic and the petrogenetic classification of pyroclasic rocks
長期以來,火山碎屑巖的分類研究受到了國內外學者的重視,先後提出了火山碎屑物、火山碎屑巖巖性和火山碎屑巖成因分類。The upper cretaceous jingzhushan formation in the biru basin, xizang consists of a succession of coarse - grained elastic rocks in the alluvial fan - fan delta depositional system, intercalated with intermediate - acidic volcanic rocks including dacite, andesite, quartz trachyandesite and rhyolite
摘要上白堊統競柱山組為一套沖積扇扇三角洲沉積體系的粗碎屑巖,間夾由英安巖、安山巖、石英粗安巖和流紋巖組成的中酸性火山巖。The reservoirs in permian is consist of carbonate rock, tuff, clastic rock and volcanic rock
二疊系儲集層主要由碳酸鹽巖、沉凝灰巖、碎屑巖和火山巖組成。Abstract : to the principle and project that tu guangazhi proposed in 1990, the gold ore deposits in qinling ( shaanxi ) may be classified into fouowing types : archean high - grade gneiss type, fine grained fragmental rock - carbonate rock - silicilith type, metamorphic fragmental rock type, volcanic rock type, explosive breccia type, intrusive rock exo - and endo - contact zone type. inthis paper, the geological characteristics, metallogenic geological setting, the source of ore - forming materials, digenic mechanism and metallogenetic epoch of gold ore deposits are also discussed
文摘:參照塗光熾先生( 1990 )提出的礦床類型劃分原則與金礦分類方案,將陜西秦嶺地區原生金礦劃分為太古界綠巖建造型、細碎屑巖-碳酸鹽巖-硅質巖建造型、變質碎屑巖型、火山巖建造型、隱爆角礫巖型和侵入巖內外接觸型金礦,並對各類型金礦的地質特徵、成礦地質背景、成礦物質來源、礦床形成機制及形成時代等問題進行了論述和討論。The genesis of gold deposits is complex in this district, the type of quart - vein plus etch rock belongs to hydro thermally superimposed complex mineralization. the type of porphyry and scraping rock containing charcoal belongs to volcano sediment - alteration hydro thermally gold deposits, the formation of gold deposits is controlled by several factors
本區金礦床的成因比較復雜,石英脈+蝕變巖型金礦屬于熱液疊加復合成因礦床,含炭火山碎屑巖型金礦屬於火山沉積?變質熱液改造型層控金礦床。Santanghu basin, located in the edge of the southern siberian plate, has the double basements of the pre - cambrian crystalline basement and the palezoic metamorphic basement of volcanic - sedimentary rocks
三塘湖盆地位於西伯利亞板塊南緣,具有前寒武紀結晶基底和古生代火山巖-碎屑巖褶皺基底組成的雙重基底。The most powerful plume in nature is volcanic plume, which is formed by ejection of mixture of pyroclasts and volcanic gases in to the air from volcanic vent
世界上中最壯現的羽流現象是由爆炸性火山噴發的各種火山氣體、細粒的火山噴發碎屑物所組成的火山噴發柱,也就是我們俗稱的火山蘑菇雲。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。It is very resembly representative island arc volcanic rock in the geochemistry character, so i demonstrate that a petrofabric formed tectonic activity section and island arc environment ; i also demonstrate that parametamorphite in the a petrofabric formed tectonic activity section. b petrofabric is very resembly a petrofabric in many aspects, so i think that b petrofabric also formed island arc environment, but volcanic activity obvious weakened in the b petrofabric stage. c petrofabric formed carbonatite mesa
在地球化學特徵方面與典型島弧火山巖非常相似,得出a巖組形成於構造活動區,形成環境為島弧環境。 a巖組的副變質巖的原巖碎屑巖是快速堆積的,處于構造活動區。 b巖組和a巖組對應的巖石在各個方面都非常相似,所以形成環境也為島弧環境,只是火山活動在這期間明顯減弱。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。Mainly thinking over ore - bearing rock series and giving consideration to ore - forming process, the author divides the gold deposits in fujian into four categories which include metamorphic rock category, volcanic rock category, sedimentary clastic rock category and igneous rock intrusive contact category
採用以容礦巖系為主體兼顧成礦環境和成礦作用的分類原則,把福建省金礦劃分為變質巖型、火山巖型、沉積碎屑巖型和侵入巖內外接觸帶型四類。Through these studies, preliminary results and understandings have been gained as follows : 1 ) propose a reverse - appraisal method that is more reliable based on imaging well log data to classify the lava flow orientations of volcanic rock facies, integrating with lava - debris thickness ratio
通過研究,初步獲得的成果和認識如下: 1提出了依據成像測井資料,劃分火山巖巖相的熔巖流向反推法,結合火山熔巖與碎屑巖厚度比法,劃分結果更可靠。分享友人