查询词典 volcanic

Judging by the function of volcanic rockacting in the process of generation, accumulation and sealing, the study obtains sevenkinds of trap patterns for volcanic rock typal reservoir of oil and gas, one kind ofcombination types is self-generation and self-accumulation, the other isunder-generation and up-accumulation, totally, there are nine kinds of beneficialcombination of generation, accumulation and sealing.

结合该地区生储盖条件与火山岩的配置关系得出三大类共七种火山岩类油气圈闭类型，组合类型有自生自储型和下生上储型，共九种有利生储盖组合类型。

For Southwestern Margin of Aqikekule Lake ophiolite, their field geological, petrological, minerological, petrochemical and geochemical characteristics show that:① it outcropped as tectonic slices along the near west-to-east strike Kunzhong fault and is composed of metamorphic perodotties, cumulates and volcanic rocks, in which, chromites are distributed in the upper part of metamorphic peridotites as pods, or in the lower part of cumulates as near-strata;② metamorphic peridotites include serpentinites, chromite-bearing serpentinites, chlorite-epidote schists and chromitites, of which, chromitites have nodular and orbicular structure, and cumulates include pyroxenits, serpentinites, chromite-bearing serpentinites, chromites and metamorphically mafic rocks and only basalts are seen in volcanic rocks;③ Cr# of chromites suggest that they formed in the SSZ and Al〓O〓 and TiO〓 of metamorphic peridotites also suggest SSZ environment;④ metamorphic peridotites have V type and enriched LREE patterns, cumulates have from strongly depleted LREE, flat REE to enriched LREE patterns with universally striking positive Eu anomalies and basalts show flat REE or slight enriched LREE patterns with no Eu anomalies;⑤ trace element and Sm-Nd isotope characteristics of metamorphic peridotites imply their strikingly heterogeneous mantle character ε〓(t+4.39～+26.20 and later Nb, Ta fertilization;⑥ trace element characteristics of basalts and their tectonic diagrams show they probably formed in the rifted island arc or back-arc basin environment.

对阿其克库勒湖西南缘蛇绿岩，野外地质、岩石学、矿物学、岩石化学以及地球化学等特征表明：①该蛇绿岩以近东西向、沿昆中断裂呈构造岩片出露，由变质橄榄岩、堆晶岩和火山岩三个单元组成，其中见铬铁岩呈豆荚状产于变质橄榄岩的上部，或呈似层状产于堆晶岩的下部；②变质橄榄岩包括蛇纹岩、含铬铁矿蛇纹岩、绿帘绿泥片岩和铬铁岩等类型，其中，豆荚状铬铁矿具有结核状构造和球状构造，堆晶岩包括辉石岩、蛇纹岩、含铬铁矿蛇纹岩、铬铁岩和变质基性岩等类型，火山岩仅见玄武岩；③铬铁矿的Cr#表明其形成在俯冲带，变质橄榄岩的Al〓O〓和TiO〓成分也指示了SSZ环境；④变质橄榄岩的稀土配分型式见V型和LREE富集型两种型式，堆晶岩表现出从LREE强烈亏损、REE平坦分布到LREE富集的配分特征，并且普遍具有醒目的正Eu异常，玄武岩的稀土配分型式表现为平坦型或LREE略富集，无Eu异常；⑤变质橄榄岩的微量元素及Sm-Nd同位素特征指示了其地幔的显著不均一性ε〓(t为+4.39～+26.20以及Nb、Ta在后期的富集；⑥玄武岩的微量元素特征及构造图解表明其可能形成在裂谷岛弧或不成熟的弧后盆地环境。

The volcanic earthquake mainly has two kinds: One kind when is volcanic eruption, because the rock magma impact earth's crust or causes the earthquake which the local area rock layer occurs distorts and dislodges causes.

火山地震是由火山爆发而引起的。火山地震主要有两种：一种是火山爆发时，由于岩浆冲击地壳或使局部地区岩层发生变形和变位而引起的地震。

In order to reveal the stage s of gas charging and the main reservoiring stage of the volcanic gas pool in Xujiaweizi fault depression,a case study was performed on the fluid inclusions in 34 samples collected from the volcanic reservoirs of the Upper Jurassic Yingcheng Formatioin in 12 wells.

为揭示徐家围子断陷深层火山岩气藏的充注期次和主成藏期，对采自12口井上侏罗统营城组火山岩储层的34块样品开展了流体包裹体研究。

Based on geological environment, bi-model volcanic series, sedimentary formation and geochemical features of volcanic rocks, it is held that the deposits were most probably formed in the Carboniferous back arc rifted environment.

根据矿床产出地质环境、双峰式火山岩系、沈积建造以及火山岩地球化学特征，推断昆仑式火山岩型块状硫化物铜矿床最可能形成于泥盆纪－石炭纪弧后拉张构造环境。

In about 25,000,000 year, the Changbai Mountain area experienced 4 volcanic eruption activity, the basaltic magma embarked from the upper mantle, upwelled unceasingly along the earth's crust in giant crevasse, spouted the surface by the huge energy (in geology to be called crevasse type volcanic eruption).

在大约2500万年的时间里，长白山地区经历了4次火山喷发活动，玄武岩浆从上地幔出发，沿着地壳中的巨大裂隙不断上涌，以巨大的能量喷出地表（地质学上称为裂隙式火山喷发）。

There are 4 end members of volcanic clasts, including catapult airfall, ejection airfall, base surge and volcanic clasts flow.

与火山作用有关岩相有4种端元的火山碎屑岩相：弹射坠落爆发空落相、喷射降落爆发空落相、热碎屑流相和热基浪相。

If the volcanic clasts were deposited on volcanic slope and/or fluvial plain, they would occur in the 4 faceis mentioned above or in alluvial fan and braid stream.

与火山作用有关岩相有4种端元的火山碎屑岩相：弹射坠落爆发空落相、喷射降落爆发空落相、热碎屑流相和热基浪相。

It was floruit of volcanic activity in middle Caledonian between 446 Ma and 440 Ma. Mass volcanic rock was squirted, and ore bearing magma was risen by tectonic fissure, then formed a large-scale valuable polymetallic sulfide orefield.

随着构造岩浆活动的继续，能量的积聚，458.99Ma岩浆熔岩涌出地表，揭开了本区岩浆火山活动事件的序幕。446Ma～440Ma，是本区火山活动全盛时期，在本区大范围内形成有价值的多金属硫化物矿床。

Lithological characterized by pyroclastic rocks interbedded with sedimentary rocks, with a few volcanic rocks.(2) The sedimentary facies: include normal fluvial, swamp, littoral and shallow lakes, as well as fallout facies of pyroclastic sediments, volcanic lahar facies, pyroclastic alluvial facies and pyroclastic fluvial facies (different from normal alluvial and fluvial facies).

1岩性——以火山碎屑岩、火山碎屑沉积岩和陆源碎屑沉积岩互层为特征，亦夹有少量火山岩；(2)沉积相类型——包括陆源碎屑沉积的河流相、沼泽相、滨浅湖相和火山碎屑沉积的空落相、火山泥石流相、火山碎屑冲积扇相和火山碎屑河流相(与陆源碎屑的冲积扇相和河流相不同)。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。