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Sample: 98JLOK3A

Sample ID: 98JLOK3A [1] [2] [3]
Station ID: 98JLOK3A
AT Num:
Volcano: Okmok
Possible source:
Eruption: Okmok CFE II
Collector: Larsen, J. F.
Date sampled: 1998-01-01
Sample type 1: pyroclastic density current
Color:
Final unit: Hcfe2
Text Description: 2050 BP Okmok II ash flow scoria juvenile sample. Above sample 2b. Aphyric with lithic fragments. Top of Okmok II ignimbrite and continuation of section 2 from downstream about 0.25 to 0.5 miles. Dark scoria that contains small lithics embedded in its
Sample Location:

References Cited

[1] Magmatic differentiation at an island-arc caldera: a stratigraphically constrained multi-isotope study of Okmok Volcano, Aleutian Islands, Alaska, 2004

Finney, B.M., 2004, Magmatic differentiation at an island-arc caldera: a stratigraphically constrained multi-isotope study of Okmok Volcano, Aleutian Islands, Alaska: University of Bristol Ph.D. dissertation, 296 p.

[2] 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.

[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