Top is agglutinate welded to lava. Agglutinate is~60 m thick, then ~10m thick breccia (weathers like Hoodoo, small rounded to sub-angular clasts of black scoria) then more agglutinate below. Black, welded agglutinate, sparsely phyric
Volcanism on Unimak Island, Alaska, USA: a special focus on Shishaldin and Fisher volcanoes
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