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Sample: 04CTAV0201

Sample ID: 04CTAV0201 [1]
Station ID: 04CTAV0201
AT Num:
Volcano: Augustine
Possible source: Augustine
Eruption: Augustine Tephra C
Collector: Tappen, Christine
Date sampled: 2004-00-00
Sample type 1: Tephra Fall
Color: light gray
Final unit:
Text Description: Tephra layer C comprises two units including upper (C2) and lower (C1) fall deposits that possibly represent two phases of the same eruption. Unit C1 is a light gray, coarse-grained, andesitic, normally graded tephra deposit that is 60-70 cm thick and overlies soil. Light gray pumice; near South Point
Sample Location:
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Legend
✕
Red (Warning)
Orange (Watch)
Yellow (Advisory)
Green (Normal)
Uninstrumented

100 km
50 mi
Leaflet U.S. Department of the Interior | U.S. Geological Survey | Policies

References Cited

[1] Petrology and geochemistry of ca. 2100-1000 a.B.P. magmas of Augustine volcano, Alaska, based on analysis of prehistoric pumiceous tephra, 2009

Tappen, C.M., Webster, J.D., Mandeville, C.W., and Roderick, David, 2009, Petrology and geochemistry of ca. 2100-1000 a.B.P. magmas of Augustine volcano, Alaska, based on analysis of prehistoric pumiceous tephra: Journal of Volcanology and Geothermal Research, v. 183, n. 1/2, p. 42-62, doi: 10.1016/j.jvolgeores.2009.03.007 .