Alaska Volcano Observatory

Alkali olivine basalt. Flow, southeast side of Bogoslof Hill. Color value from rock-color chart distributed by the Geological Society of America: (N4)

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] Pb and Sr isotopes in volcanic rocks from the Aleutian Islands and Pribilof Islands, Alaska, 1978

Kay, R. W., Sun, S. S., and Lee-Hu, C. N., 1978, Pb and Sr isotopes in volcanic rocks from the Aleutian Islands and Pribilof Islands, Alaska: Geochimica et Cosmochimica Acta, v. 42, p. 263-274.

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