最終更新日:2022/12/23
In thin section the rock is composed of intraclasts (180/i modal diameter) and foraminifera (180/i modal diameter), in a matrix of microspar (4/i to 8/i diameter; mode 7fi.).
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In thin section the rock is composed of intraclasts (180/i modal diameter) and foraminifera (180/i modal diameter), in a matrix of microspar (4/i to 8/i diameter; mode 7fi.).