Unit T2; Layer D-II; 11-12 cm thick; slightly normal grading, moderately sorted, coarse, more lithic-rich, tan, white and black pumice, andesitic and dacitic lava, red scoria, and orange altered lithics. Sample is of 6 cm, fine grained.
The 1931 eruption of Aniakchak volcano, Alaska
This website is supported by the U.S. Geological Survey under Cooperative Agreement Grant G19AC00060 and G19AC00171.
Mention of trade names or commercial products does not constitute their endorsement by the U.S. Geological Survey.