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Sample: 98JLOK4B

Sample ID: 98JLOK4B [1] [2] [3]
Station ID: 98JLOK4
AT Num:
Volcano: Okmok
Possible source: Okmok
Eruption: Okmok CFE II
Collector: Larsen, J. F.
Date sampled: 1998-01-01
Sample type 1: Tephra Fall
Color:
Final unit: Hcfe2
Text Description: 2050 BP Okmok II rhyodacit pumice fall deposits. This is the classic outcrop location studied also by T.P. Miller. Crystal-poor rhyodacite pumice samples from basal fall deposits beneath the Okmok II ignimbrite at site 4g
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