Sample: 04JLOK008

Sample ID:	04JLOK008 ^[1] ^[2]
Station ID:	04JLOK008
AT Num:
Volcano:	Okmok
Possible source:
Eruption:	Okmok CFE II
Collector:	Larsen, J. F.
Date sampled:	2004-01-01
Sample type 1:	Tephra Fall
Color:
Final unit:	Hcfe2
Text Description:	Scoria from fall/surge horizon overlying rhyodacite fall unit (Okmok II). Compositionally similar to the Okmok II andesitic fall unit.
Sample Location:

References Cited

[1] Late Pleistocene and Holocene caldera-forming eruptions of Okmok Caldera, Aleutian Islands, Alaska, 2007

Larsen, J. F., Neal, Christina, Schaefer, Janet, Beget, Jim, and Nye, Chris, 2007, Late Pleistocene and Holocene caldera-forming eruptions of Okmok Caldera, Aleutian Islands, Alaska, in Eichelberger, John, Gordeev, Evgenii, Izbekov, Pavel, Kasahara, Minoru, and Lees, Jonathan, eds., Volcanism and Subduction: The Kamchatka Region: Geophysical Monograph 172, American Geophysical Union, p. 343-364.

[2] Geologic map of Okmok Volcano, 2023

Larsen, J.F., Neal, C.A., Schaefer, J.R., and Nye, C.J., 2023, Geologic map of Okmok Volcano: Alaska Division of Geological & Geophysical Surveys Report of Investigation 2023-1, 63 p., 4 sheets. https://doi.org/10.14509/31015

Alaska Volcano Observatory

Sample: 04JLOK008

References Cited

[1] Late Pleistocene and Holocene caldera-forming eruptions of Okmok Caldera, Aleutian Islands, Alaska, 2007

[2] Geologic map of Okmok Volcano, 2023