Alaska Volcano Observatory

Sample of same flank lava flow as 88VS17 and 18. 1610’ asl. Fine-grained andesite with microphenocrysts of plagioclase, clinopyroxene, orthopyroxene and opaque oxides (10%, 0.4 x 0.1 mm) in a microcrystalline to hypocrystalline groundmass.

Sample Location:

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

300 km

200 mi

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References Cited

[1] Geochemistry of some Quaternary lavas from the Aleutian Arc and Mt. Wrangell, 2018

Nye, C.J., Beget, J.E., Layer, P.W., Mangan, M.T., McConnell, V.S., McGimsey, R.G., Miller, T.P., Moore, R.B., and Stelling, P.L., 2018, Geochemistry of some quaternary lavas from the Aleutian Arc and Mt. Wrangell: Alaska Division of Geological & Geophysical Surveys Raw Data File 2018-1, 29 p. http://doi.org/10.14509/29843

publication on DGGS website.

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