Alaska Volcano Observatory

Oldest (deepest) tephra at this section. Has light brown to light yellow pumice grains, some blocky glass grains, feldspar, Fe-Ti oxides and a green amphibole.

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] Revision of the tephrostratigraphy of the lower Sixtymile River area, Yukon Territory, Canada, 2011

Westgate, J.A., Preece, S.J., and Jackson Jr., L.E., 2011, Revision of the tephrostratigraphy of the lower Sixtymile River area, Yukon Territory, Canada: Canadian Journal of Earth Sciences, v. 48, n. 3, p. 695-701, doi:10.1139/E10-106.

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