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Sample: 00JLOK42B

Sample ID: 00JLOK42B [1] [2] [3]
Station ID: 00JLOK42
AT Num:
Volcano: Okmok
Possible source:
Eruption: Okmok CFE II
Collector: Larsen, J. F.
Date sampled: 2000-01-01
Sample type 1: Tephra Fall
Color:
Final unit: Hcfe2
Text Description: 2050 BP rhyodacite fall deposits. Juvenile pumice sampled from a thick section of 2050 BP (Okmok II)rhyodacite fall deposits. Coarsening upward seuence. Minimum thickness is 134 cm
Sample Location:
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Red (Warning)
Orange (Watch)
Yellow (Advisory)
Green (Normal)
Uninstrumented

30 km
20 mi
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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] Electron probe microanalytical data of minerals and glass from rock samples from Okmok volcano, Alaska, 2022

Larsen, J.F., Schaefer, J.R., and Cameron, C.E., 2022, Electron probe microanalytical data of minerals and glass from rock samples from Okmok volcano, Alaska: Alaska Division of Geological & Geophysical Surveys Raw Data File 2022-6, 13 p. https://doi.org/10.14509/30853.

[3] 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