Cinder cone on distal end. Red ridge is highly oxidized spatter and agglutinate. Clasts are agglutinate up to 30 cm. One clast is a spindle bomb. Highly oxidized agglutinate.
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.