流纹质凝灰岩

  • 网络rhyolitic tuff
流纹质凝灰岩流纹质凝灰岩
  1. 主要岩石类型有玄武岩、高铝玄武岩、高钾安山岩、英安岩、流纹岩及流纹质角砾凝灰岩。

    The volcanic rocks mainly include basalt , high-Al basalt , andesite , dacite , rhyolite and / or rhyolitic pyroclastic rocks .

  2. 广东海南岛石碌铁矿富钾流纹质熔结凝灰岩的发现及其意义

    Discovery of potassium-rich rhyolitic ignimbrite in the Shilu iron ore deposits of Hainan Island and its significance

  3. 石英晶屑内熔融包裹体发育。峨嵋矿区矿体赋存于流纹质晶屑凝灰岩、熔结凝灰岩、含火山角砾(集块)凝灰岩中。

    A great mumber of melt inclusions are there in the quartz phenocrysts . The ore bodies of Emei pyrophyllite are located in rhyolitic crys-tal fragment tuff , ignimbrite and volcanic breccia ( agglomerate ) - bearing tuff .