Kirishima(Kagoshima Pref.) Pyrox-Andesite:  Field width = 8.8mm A caption is in the bottom. The Image is XPL on mouse to PPL 
霧島(鹿児島県)の輝石安山岩 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). 
High interferance color phenocrysts are clino-pyroxene. While, yellow 
colored are orho-pyroxenes. Grey colored phenocrysts are plagioclases. 
Some of them habe zonal structure showing their crstalization 
processes.  
干渉色が高い斑晶は単斜輝石,一方やや黄色いおとなしい色は斜方(直方)輝石.灰色は斜長石がほとんど.中に結晶成長のあとが見えるものがある.
Copyright © 2021 Yoshio Okamoto All
            Rights Reserved.