Alaska Volcano Observatory

~1-cm-thick, dark tephra. Fine grain size (~20% fine sand); platy, brown glass shards that are dominantly altered. In non-altered grains, spindle and equant vesicles can be identified.

Sample Location:

+−

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Legend

	Red (Warning)
	Orange (Watch)
	Yellow (Advisory)
	Green (Normal)
	Uninstrumented

200 km

100 mi

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References Cited

[1] A record of late Holocene glacier fluctuations, Ahklun Mountains, southwestern Alaska, 2002

Levy, L.B., 2002, A record of late Holocene glacier fluctuations, Ahklun Mountains, southwestern Alaska: Northern Arizona University M.S. thesis, 71 p.

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