Alaska Volcano Observatory

Plug is small (~20-25 m diameter if circular). Agglutinate sits above and below, and all sides. Dark, sparsely phyric (ol? CPX?). Hard, angular, dense. Flow banding on weathered surface but none within. Basaltic andesite?

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on Unimak Island, Alaska, USA: a special focus on Shishaldin and Fisher volcanoes: University of Alaska Fairbanks unpublished Ph.D. dissertation, 193 p. and one CD-ROM.

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