microlite-bearing/rich pumiceous lapilli. individual clast from AT-1609, analyzed by Sisson
Andesites of the 2009 eruption of Redoubt 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.