最終更新日：2025/12/03
Vitrophyres were discovered along the coastal cliff, their glassy matrices preserving delicate phenocrysts that recorded the volcano's cooling history.
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Vitrophyres were discovered along the coastal cliff, their glassy matrices preserving delicate phenocrysts that recorded the volcano's cooling history.
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元となった例文
海岸の崖沿いでガラス質の火山岩が見つかり、そのガラス質マトリックスは火山の冷却過程を物語る繊細な斑晶を保存していた。
