单词dacite
n.: 石英安山岩
网络: 英安岩；石英安山石；山岩体
石英安山岩
While those of the Carboniferous are rhyolite-dacite-andesite formation of transitional-continental environment with crustal compositions.
石炭系火山岩主要是流纹岩-英安岩-安山岩建造，它们产出于海陆过渡相-陆相环境，属于地壳成分。
Major volcanic rock types of Carboniferous times are andesitic basalt, dacite, rhyolite, characterized by a bimodal volcanic suite.
石炭纪火山岩主要为安山玄武岩和英安岩、流纹岩类，略具双峰式火山岩特点。
Carboniferous volcanic rocks in Altay, Xinjiang, mainly exist in its northeastern part. They consist of rhyolite, dacite and cataclastlava.
新疆阿尔泰石炭纪火山岩主要分布在东北部，主要由流纹岩、英安岩和碎斑熔岩组成。
Jurassic volcanic rocks in Yingshan fault depression are mainly andesite, basalt, dacite , volcanic breccia and tuff.
莺山断陷侏罗系火山岩主要为安山岩、玄武岩、英安岩、火山角砾岩及凝灰岩。
The results suggest that the volcanic reservoir rocks are mainly dacite and volcanic breccias, then basalt and tuff.
结果表明，塔河地区二叠系火山岩储集层主要为英安岩和火山角铄岩，其次为玄武岩和凝灰岩。
which may be initially composed of basaltic andesite-andesite-dacite-rhyolite suite.
其原岩可能为玄武安山岩-安山岩-英安岩-流纹岩组合。
The Qi"eshan Group volcanic rocks consist of basalt, basaltic andesite, dacite and rhyolite.
岩石类型为玄武岩、玄武安山岩、英安岩和流纹岩。
Identification of rhyolite-dacite porphyry and its relation to uranium mineralization at Xiangshan uranium ore-field
相山铀矿田流纹英安斑岩的厘定及与铀矿化的关系
The discovery of andesite and dacite in Permian to Triassic strata verifies the existence of island-arc volcanic rocks;
二叠纪至三叠纪地层中安山岩、英安岩的发现，证实了岛弧火山岩的存在；
Chronology and Geological Significance of Chelugou Dacite Porphyry in North Qilian Mountains
北祁连山车路沟英安斑岩的年代学及地质意义