焊接凝灰岩在组成上通常为流纹岩。
经钻探，在该区中生界流纹岩中发现了油气藏。
Hydrocarbon reservoir is discovered in the Mesozoic rhyolite by drilling.
山体主要由流纹岩和凝灰岩构成，局部有花岗岩。
Mountain mainly by rhyolite and tuff composition, there are local granite.
山西吕梁群流纹岩是一个古元古代的弱碱性火山岩。
The rhyolites in the Upper Luliang Group of Shanxi Province of China are Palaeoproterozoic A-type volcanic rocks.
火山岩岩石组合以碱性玄武岩-粗安岩-碱性流纹岩为主。
The rock assemblages of the Bayinbuluke formation are mainly alkaline basalt - thick andesite - alkaline rhyolite.
人们来到这个地区是为了观看那里五彩缤纷的流纹岩山脉。
People come to this area in order to see the colorful rhyolite mountains.
火山岩岩石组合以碱性玄武岩-粗安岩-碱性流纹岩为主。
The rock assemblages of the Bayinbuluke formation are mainly alkaline basalt-thick andesite-alkaline rhyolite.
松辽盆地东南隆起区下白垩统营城组出露柱状节理流纹岩。
Rhyolite with columnar joints has been found in the lower Cretaceous Yingcheng Formation, in an uplift area of the southeastern Songliao Basin.
野外掌子面可见珍珠岩与膨润土、隐爆角砾岩、流纹岩共生。
The perlite is associated with bentonite, hydrothermal breccia, rhyolite in typical geological sections.
该矿床产于弧后扩张盆地的勉戈组流纹岩中，受韧性剪切带控制。
The deposit occurs in the rhyolite area of Miange Formation within the back_arc spreading basin and is controlled by a shearing belt.
对广西龙塘蚀变流纹岩风化剖面中六个难溶元素的活动性进行了研究。
Six refractory elements mobility was studied for altered rhyolite weathering profile in Longtang, Guangxi.
火山岩的组成通常是安山岩，但在某些地区玄武岩质和流纹岩质也很丰富。
The volcanics are commonly andesitic in composition, but basaltic and rhyolitic volcanics are abundant in some areas.
火成岩的碎块成分主要为石英岩、片岩、片麻岩、玄武岩、安山岩和流纹岩。
The pyroclastic rock fragments comprise quartzite, schist, gneiss, basalt, andesite, rhyolite and quartz.
白银厂矿田早—中寒武世流纹岩被认为是大陆裂谷环境或洋内弧岩浆作用的产物。
Early middle Cambrian rhyolites from Baiyin Mining Field were considered to have resulted from magmatism of continental rift.
升平气田白垩系营城组火山岩主要为流纹岩、安山岩、玄武岩、霏细岩及火山碎屑岩。
Yingcheng group's volcanic rocks in Shengping gas field are composed of rhyolites, andesites, basalts, felsites and volcanic fragmental rocks.
火山熔岩类主要包括玄武岩、粗面玄武岩、气孔杏仁状安山岩、粗面安山岩、流纹岩等。
The lavas mainly include basalt, dolerite, fumarolic, amygdaloidal andesite, trachy-andesite and as well as rhyolite.
但是冰岛有各种各样的火山，其中很多生产更逐步形成的象流纹岩和安山石那样的熔岩。
But Iceland has various kinds of volcanoes, many of which produce more evolved lavas such as rhyolite and andesite.
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，随著平滑程度的增大而逐渐变得不明显了。
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.
大面积喜马拉雅期超浅成正长斑岩、印支期流纹斑岩英安岩系列火山岩类与地层的内、外接触带对成矿十分有利。
The inner, outside contact zone between Himalayan ultra-epizonal syenite porphyry, Indosinian volcanic rocks of liparite porphyry-dacite series and strata is very advantageous to the metallogenesis.
南梁岩体主要由斑状花岗岩、流纹斑岩、花斑岩及流纹质角砾熔岩组成。
Nanliang complex is mainly composed of porphyritic granite, granophyre, rhyolite - porphyry and rhyolitic agmatite-lava.
南梁岩体主要由斑状花岗岩、流纹斑岩、花斑岩及流纹质角砾熔岩组成。
Nanliang complex is mainly composed of porphyritic granite, granophyre, rhyolite - porphyry and rhyolitic agmatite-lava.
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