Sosogi (Ishikawa Pref.) Rhyolite :  Field width = 8.8mm A caption is in the bottom. The Image is XPL on mouse to PPL
能登半島曽々木の流紋岩　横幅8.8mm．写真の下に説明．薄片写真：クロスポーラー（XPL)．マウスを乗せるとオープンポーラー（PPL)．

Grey phenocrysts under XPL are quartz. Brown green to black colored under PPL and pillar like minerals are biotites. The matrix shows flow texture. An old thin-section using Cnadian balsama as coverglassing glue.  
XPLで灰色の斑晶は石英．PPLで緑から黒の柱状の鉱物は黒雲母．石基には流理構造が見られる．カバーガラス接着にカナダバルサムを用いた古い薄片．

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