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Text Description: Unit T2; Layer U-II; 25 cm thick; top 10 cm black, slight reverse grading, poorly sorted, weakly stratified, lithic-rich, red scoria prominent. Bulk fraction analyzed. References:  The 1931 eruption of Aniakchak volcano, Alaska Variations in eruption style during the 1931 A.D. eruption of Aniakchak volcano, Alaska |
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