Alaska Volcano Observatory

Hornblende- and plag-bearing grey pumice clast, density 1170 kg/m3. Vesicles <2mm, euhedral hornblende and plag crystals, grey in color. Doesn't really fit into either the "brown" or "white" categories based on physical appearance. Does chemistry match? Sample wt. 20.1 g.

Sample Location:

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

100 km

100 mi

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References Cited

[1] Petrologic and geochemical tracers of magmatic movement in volcanic arc systems: case studies from the Aleutian Islands and Kamchatka, Russia, 2013

Neill, O.K., 2013, Petrologic and geochemical tracers of magmatic movement in volcanic arc systems: case studies from the Aleutian Islands and Kamchatka, Russia: University of Alaska Fairbanks Ph.D., 188 p.

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