22 cm scoria fall in contact with base morainal boulders; top 16cm is poorly sorted with scoria clasts from fine ash to 1.5cm; Base ~6cm thick with a more uniform clast size distribution of about 0.5cm. All of unit coated in orange silt. Upper 16cm might contain more lithics than the bottom but hard to tell with all of the fine ash/silt coating and orange alteration
Alaska Volcano Observatory website
This website is supported by the U.S. Geological Survey under Cooperative Agreement Grant G22AC00137
Mention of trade names or commercial products does not constitute their endorsement by the U.S. Geological Survey.