Unit T2; Layer M-II and M-I; 32 cm thick; M-II: 12 cm. Stratified, fine grained at base and coarse at top, moderately sorted. M-I: 20 cm, reversely graded, moderately sorted, abundant dense andesitic lava
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.