流纹岩
- rhyolite;liparite
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埃达克岩(adakite)是一种特殊的岛弧安山岩、英安岩、流纹岩(以英安岩最常见)或英云闪长岩和奥长花岗岩。
Adakite is a special kind of island arc andesite , dacite and rhyolite ( mainly dacite ) or tonalite and trondhjemite .
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赣南中侏罗世流纹岩地球化学及成因研究:上地壳成因的的微量元素和Pb-Nd-Sr同位素地球化学制约
Geochemistry and petrogenesis of the middle Jurassic rhyolite , southern Jiangxi : trace element and Pb-Nd-Sr isotope geochemical constraints on the upper crustal origin
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REE和微量元素分配型式以及微量元素比值对的显著差异,暗示流纹岩与玄武岩-安山岩-英安岩来源于不同源区。
On the other hand , the remarkable difference in REE and trace element normalized patterns of basalt , andesite , dacite and rhyolite suggests the different source .
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流纹岩富集LIL和HFS元素且具高的Rb/Sr和Ga/Al比值,显示出与A型花岗质岩石的相似性。
The rhyolites are characterized by high LIL and HFS elements and large Rb / Sr and Ga / Al ratios , similar with A type granitoid rocks .
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依据流纹岩熔体与水之间氢同位素分馏的压力效应,成功地模拟了美国西部GlassCreek流纹岩δD值和水含量变化规律与岩浆去气之间的关系。
In terms of pressure effect on hydrogen isotope fractionation in the rhyolitic melt - water system , the unusual variability in the δ D values and H2O contents of the Glass Creek rhyolites from western United States are successfully modeled in the course of magmatic degassing .
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110~100Ma为早期高钾钙碱性英安岩流纹岩(伴生闪长岩花岗闪长岩)向晚期玄武岩流纹岩(伴生钾长花岗岩碱性花岗岩)过渡的转折期。
The period of 110-100 Ma is a transitional stage from the early high-K calc-alka-line dacite-rhyolite ( associated with diorite-granodiorite ) to the late basalt-rhyolite ( associated with K-feldspar granite-alkali granite ) .
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流纹岩滤料的性能测试及过滤试验
The function determinations and filtering tests on the rhyolite filtering material
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松辽盆地南部火山岩主要在营城组和火石岭组中发育,岩性以玄武岩为主,其次为安山岩和流纹岩。
And the main reservoir is volcanic rock in Yingcheng group .
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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 .
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岩性主要为玄武岩、火山碎屑岩、安山岩和流纹岩;
Its lithology mainly contains Basalt , Lava , Andesite and Rhyolite .
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大庆深层流纹岩全直径岩心实验数据分析
Experimental Data Analysis on Full Diameter Rhyolite Cores from Daqing Deep Layers
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位于安山岩和流纹岩接触界面处的灰凝岩属于软岩。
Tuff in contacting-interface of rhyolite and andesite is of soft rock .
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用低锆流纹岩研制乳浊釉
Manufacture of Emulsified Glaze with Low - zirconium Rhyolite
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该破火山口地层柱大约1/3是强烈蚀变的流纹岩。
About one third of the caldera stratigraphic pile consists of strongly-altered rhyolites .
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用低锆流纹岩作为乳浊釉中的乳浊剂,获得了成功。
Low-zirconium rhyolite has been successfully used as emulsifier in manufacturing emulsified glaze .
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而流纹岩则是与花岗岩成分相同的酸性喷出岩。
The extrusive equivalent of granite is rhyolite .
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岩石类型主要有钾玄岩、安粗岩、粗面岩、橄榄粗安岩、英安岩和流纹岩。
The rocks include shoshonite , latite , trachyte , mugearite , dacite and rhyolite .
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泥巴山隧道流纹岩加卸围压力学特性研究
Study on mechanical properties of rhyolite under loading and unloading conditions in NIBA Mountain Tunnel
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破碎流纹岩坝基处理
Treatment of Tattered Rhyolite Dam Foundation
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大兴安岭中生代两类流纹岩与玄武岩的成因联系
Genetic relationships between two types of Mesozoic rhyolite and basalts in great xing ' an ridge
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其结果:本区火山岩储层可划分为流纹岩、安山岩两类;
The result was that volcanics of this area could be divided into rhyolite and andesite ;
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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 .
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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 .
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岩石类型为玄武岩、玄武安山岩、英安岩和流纹岩。
The Qi'eshan Group volcanic rocks consist of basalt , basaltic andesite , dacite and rhyolite .
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莲花寨火山旋回发育于晚侏罗世,由流纹岩组成“单峰式”岩石组合;
Lianhuazhai volcanic cycle which occurs in late Jurassic epoch is unimodal rock association composed of rhyolite .
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石炭纪酸性火山岩的稀土和微量元素地球化学特征与陆内流纹岩相似。
The silicic volcanic rocks of Carboniferous times has similar REE and trace elemental geochemistry as continental rhyolite .
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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 .
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认为该区酸性火山岩主要由流纹岩和英安岩组成,属低钾系列和钙碱性系列。
The rocks are mainly composed of rhyolite and dacite , belonging to low-K and calc - alkaline series .
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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 .
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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 .