Alaska Volcano Observatory

Dome building phase. Gray, dense, sample collected from 1986 spine. Phenocrysts are plag, opx, cpx, and exsolved oxides. Matrix is microcrystalline (plag, px, oxides). Clear glass is rare.

Sample Location:

+−

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Legend

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

300 km

100 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1994, The petrology and petrography of lava from the 1986 eruption of Augustine volcano: University of Alaska Fairbanks unpublished M.S. thesis, Fairbanks, AK, 131 p.

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