单词 | 流纹岩 |
释义 | 〔rhyolite〕A fine-grained extrusive volcanic rock, similar to granite in composition and usually exhibiting flow lines.流纹岩:一种精细纹理的喷出火山岩,在成分上类似于花岗岩并通常显现流线〔dacite〕A light gray volcanic rock containing a mixture of plagioclase and other crystalline minerals in glassy silica, similar in appearance to rhyolite.石英安山岩:一种浅灰色的火山岩,包含斜长石与其它呈光滑硅土状的结晶矿物,在外表上与流纹岩相似 |
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