流纹岩
- 与 流纹岩 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
We now look at this rock is red, of course, not the blood of the ancient craftsmen, because Tiger is the acid rock rhyolite, its original stone is red.
我们现在看这块石头是红颜色的,当然不是古代工匠的鲜血,因为虎丘的岩质是酸性流纹岩,它的石质原本就是红色的。
-
Igneous rock produced by eruption and solidified on or near the earth's surface; rhyolite or andesite or basalt.
火成岩产生于火山喷发和在地表或接近地表的地方凝固;流纹岩或安山岩或玄武岩的。
-
Volcanic gas reservoirs of low permeability in the carboniferous of a basin are characterized by deep burial depth, complex genesis, many types, wide distribution and non-evident expressions in three-porosity log curves, as well as the variedvalues of density and compression wave of main four volcanic gas reservoirs (such as the basalt, andesite, dacite and rhyolite). So a number of effective methods based on three porosity log data cannot work in identifying the volcanic gas reservoirs of the carboniferous of the basin.
石炭系火山岩的低渗透气藏具有的埋藏深、成因复杂、类型多、分布广、三孔隙度曲线响应特征不明显等特点,并且主要的四种火山岩气藏:玄武岩、安山岩、英安岩、流纹岩的密度和纵波时差测井值差别较大,因此使基于三孔隙度测井资料的一系列识别气层的有效方法在该盆地石炭系火山岩气层的识别中无明显效果。
-
The rock types mainly include basalt, andesite, dacite and little rhyolites, lava breccia etc. The rocks have the following chemical composition: SiO2, 48.49%-74.52%, with a mean value of 60.87%, Al2O3 majority between 14.5%-18.86%, K2O mean contents 1.99%.
主要岩石类型为玄武岩、安山岩、英安岩及少量流纹岩、火山角砾岩等,SiO2=48.49%~74.52%,平均60.87%,Al2O3多数在14.5~18.86之间,K2O含量平均为1.99,显示钙碱性系列特征。
-
The intermediate-basic volcanic rocks with SiO2 content less than 57.48 wt% are high in Al2O3(20.22-16.34 wt%) and K2O, enriched in large ion lithophile elements, show obvious Nb, Ta negative anomaly, these are same to the basalts which formed in island arc. The andesite, dacite and rhyolite rocks with SiO2 content between 62.11-75.19 wt%, are similar with the I-type granitic rocks formed in island arc in their geochemistry. It is suggested that the Jueluotage area of East Tianshan was in island arc setting during Late Carboniferous, when the subduction of the ancient Asian Ocean was in progress.
其中w(SiO2)小于57.48%的中基性火山岩具有高w(Al2O3)(16.34%~20.22%),较富钾,富集大离子亲石元素,具明显的Nb、Ta负异常;w(SiO2)介于62.11%~75.19%之间的安山岩、英安岩和流纹岩岩石化学特征与准铝质的Ⅰ型花岗质岩石相似,其地球化学特征也反映出岛弧花岗岩的特点,表明东天山觉罗塔格地区路白山一带在晚石炭世仍处于古亚洲洋向南俯冲的岛弧环境。
-
You should note how the enhanced potassium values over the rhyolite plug within the area of basalts become progressively less obvious with increasing broader smoothing.
你应当注意的是,处于玄武岩区内的流纹岩岩颈上较高的钾浓度值,随着平滑程度的增大而逐渐变得不明显了。
-
The subduction of Tethys Ocean would like to subduct at least from the middle Jurassic so that they can produce Yeba-arc along the southernmost margin of Lhasa continental block.
日喀则特提斯可能于中侏罗世已存在俯冲并形成了拉萨地块南缘的包括正常岛弧安山岩-英安岩-流纹岩组合的叶巴弧;在晚侏罗世,印度板块继续向北漂移,虽然受到拉萨地块的阻碍,但新特提斯洋沿着拉萨地块南缘的俯冲仍然继续,形成了叶巴弧南部的桑日岛弧。
-
Petrochemistry, trace element, REE and isotope geochemistry of quartz syenite porphyry, quartz diorite porphyry, rhyolite, and biotite granite indicate that they belong to series Ⅱ granite defined by Wangliankui (l972), but they have some characteristics of series Igranite, which shows adding of recycle upper-crust materials.
岩浆岩岩石化学、微量元素、稀土元素及同位素地球化学特征表明,莲花山矿区的石英正长斑岩、石英闪长玢岩、流纹岩和黑云母花岗岩属于王联魁(1972)所划分的系列Ⅱ花岗岩(相当于Ⅰ型磁铁矿系列花岗岩),但也具有系列Ⅰ花岗岩的某些地球化学特征,表明岩浆中有再循环上地壳物质的加入。
-
The original alkalic series of basalic magma evolutes into trachybasalt through crystallization differentiation of olivine and pyroxene, and the trachybasalt is transformed into alkalic rhyolite with remarkable Eu, Sr, Ba, Ti, P nagetive abnormalities through strong crystallization differentiation of plagioclase and also pyroxene Ti Fe oxides and apatite, all together leading to the loss of neutral (SiO 2=57%~63%) andesite and trachyandesite in the volcanic rocks in this area and appearance of bimodal volcanic rock combination feature.
原始碱性系列玄武质岩浆经橄榄石、辉石的结晶分异,向粗面玄武岩演化;粗面玄武岩经斜长石强烈的结晶分离作用,还有辉石、钛铁氧化物和磷灰石的分离结晶作用形成具显著Eu、Sr、Ba、Ti、P负异常的碱性流纹岩,导致本区火山岩缺失中性(SiO2=57%~63%)的安山岩和粗安岩,呈现双峰式火山岩组合的特点。
-
The volcanic rocks are dominated by basalts, diabases, andesite-basalts and with minor dacites and rhyolites, which are fallen into sub-alkaline series.
研究区内火山岩主要岩石类型为玄武岩、安山玄武岩、辉绿岩、安山岩以及少量英安岩和流纹岩。
- 推荐网络例句
-
Plunder melds and run with this jewel!
掠夺melds和运行与此宝石!
-
My dream is to be a crazy growing tree and extend at the edge between the city and the forest.
此刻,也许正是在通往天国的路上,我体验着这白色的晕旋。
-
When you click Save, you save the file to the host′s hard disk or server, not to your own machine.
单击"保存"会将文件保存到主持人的硬盘或服务器上,而不是您自己的计算机上。