Hole dug into pumice deposit. From base: 27 cm tan well sorted pumice airfall (lowest 12 cm finer grained and more lithic rich, but single reversely graded deposit); 18 cm grey well sorted pumice airfall (rich in fine trained obsidian ) Bulk sample of fine grained basal pumice fall (largest clast ~4cm)
Volcanism on Unimak Island, Alaska, USA: a special focus on Shishaldin and Fisher volcanoes
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