Alaska Volcano Observatory

Explosive phase. Light gray volcanic bomb partially buried in 1986 pumice flow. Phenocrysts of plag, opx, cpx, oxides, and trace amounts of skeletal and resorbed ol set in a highly vesiculated groundmass of clear, microlite-free glass.

Sample Location:

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Legend

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

300 km

200 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1994, The petrology and petrography of lava from the 1986 eruption of Augustine volcano: University of Alaska Fairbanks unpublished M.S. thesis, Fairbanks, AK, 131 p.

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