Alaska Volcano Observatory

Dome building phase. Gray, moderately vesicular fragment of a warm, 2 meter by 1.5 meter block partially embedded in a 1986 pyroclastic flow. Contains phenocrysts of plag, opx, cpx, and exsolved oxides in a microcrystalline matrix of plag, px, and oxides.

Sample Location:

+−

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Legend

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

50 km

30 mi

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References Cited

[1] The petrology and petrography of lava from the 1986 eruption of Augustine volcano, 1994

Harris, G. W., 1994, The petrology and petrography of lava from the 1986 eruption of Augustine volcano: University of Alaska Fairbanks unpublished M.S. thesis, Fairbanks, AK, 131 p.

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