Alaska Volcano Observatory

Two lavas seen here. Lower has lighter colored groundmass, large plag lithics. Upper has darker groundmass, large plag plus ol. These lavas are stratigraphically above FC-146 Lower lava, lighter matrix, very rich in coarse plag

Sample Location:

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Legend

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

100 km

50 mi

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References Cited

[1] Volcanism on Unimak Island, Alaska, USA: a special focus on Shishaldin and Fisher volcanoes, 2003

Stelling, P. L., 2003, Volcanism on Unimak Island, Alaska, USA: a special focus on Shishaldin and Fisher volcanoes: University of Alaska Fairbanks unpublished Ph.D. dissertation, 193 p. and one CD-ROM.

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