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Text Description: Unit T2; Layer M-I; basal 20 cm. Tan, reversely graded, well sorted, coarse, lithic-rich, tan and banded pumice, dacitic lava, hydrothermally altered and red scoria lithics 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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