Alaska Volcano Observatory

Sample 11-CB-4-2 131, IGSN: BOF000007. Yielded the smallest amount of material for microanalysis, but the highest concentration of glass. The glass is a homogeneous high-silica rhyolite, with a type I affinity. Most fragments are smaller than 40 mm. Blocky and bubble-wall morphologies are common. Pumice and a few tricuspate shards are also present.

Sample Location:

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

50 km

30 mi

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References Cited

[1] Early and late Holocene glacial fluctuations and tephrostratigraphy, Cabin Lake, Alaska, 2013

Zander, P.D., Kaufman, D.S., Kuehn, S.C., Wallace, K.L., and Anderson, R.S., 2013, Early and late Holocene glacial fluctuations and tephrostratigraphy, Cabin Lake, Alaska: Journal of Quaternary Science, v. 28, n. 8, p. 761-771, doi:10.1002/jqs.2671 .

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