Top is soils, then thick reworked scoria, then pumice (19cm thick, coarse pumice, with break /b/ tan and grey at 11 cm up from base). Just above this is thick clay. Below is several meters of clay and breccia. One layer is ~ 1mthick and is very lapilli rich (stratified w/ lapilli density) largest lithic is 92x47 mm, very likely in ballistic zone. N/A
Volcanism on Unimak Island, Alaska, USA: a special focus on Shishaldin and Fisher volcanoes
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.