Sample: 04JSOK011A


Sample ID: 04JSOK011A [1] [2]
Station ID: 04JSOK011
AT Num:
Volcano: Okmok
Possible source:
Eruption:
Collector: Schaefer, J. R. G.
Date sampled: 2004-01-01
Sample type 1: Lava
Color:
Final unit: Pcfe1
Text Description: South side of Crater Creek. 30m-wide outcrop of lava with radiating columns. Sample 11A has a sugary gray groundmass, plag 1-2%, sparse ol. Sample 11B from same outcrop, but glassy. Subglacial? Stratigraphically below Crater Creek basalts in Crater Creek.
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[2] Previously unpublished whole-rock major- and trace-element compositions of volcanic samples from the Alaska Peninsula-Aleutian arc, Alaska, 2025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C.E., Gardner, C.A., Larsen, J.F., Fierstein, J.E., Loewen, M.W., Izbekov, P.E., and Dietterich, H.R., 2025, Previously unpublished whole-rock major- and trace-element compositions of volcanic samples from the Alaska Peninsula-Aleutian arc, Alaska: Alaska Division of Geological &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
Full-text PDF 781 KB
× Instrument data