Sample: 04JSOK008


Sample ID: 04JSOK008 [1] [2]
Station ID: 04JSOK008
AT Num:
Volcano: Okmok
Possible source:
Eruption:
Collector: Schaefer, J. R. G.
Date sampled: 2004-01-01
Sample type 1: Lava
Color:
Final unit: Pg
Text Description: Rock exposure at beach. Lava flow forms the beach here. Plag 2% 1mm, ol 1% <1mm in gray groundmass. Some blocks are vesicular, although some display radiating ice-contact fracture pattern. Sample from denser part of exposure beneath vesicular zone.
Sample Location:

References Cited

[1] 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

[2] Previously unpublished whole-rock major- and trace-element compositions of volcanic samples from the Alaska Peninsula-Aleutian arc, Alaska, 2025

Coombs, M.L., Cameron, C.E., Gardner, C.A., Larsen, J.F., Fierstein, J.E., Loewen, M.W., Izbekov, P.E., and Dietterich, H.R., 2025, Previously unpublished whole-rock major- and trace-element compositions of volcanic samples from the Alaska Peninsula-Aleutian arc, Alaska: Alaska Division of Geological & Geophysical Surveys Raw Data File 2025-2, 9 p. https://doi.org/10.14509/31455
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