Sample: 04JSOK012
| Sample ID: | 04JSOK012 [1] [2] |
| Station ID: | 04JSOK012 |
| AT Num: | |
| Volcano: | Okmok |
| Possible source: | |
| Eruption: | |
| Collector: | Schaefer, J. R. G. |
| Date sampled: | 2004-01-01 |
| Sample type 1: | Lava |
| Color: | |
| Final unit: | Ps |
| Text Description: | Lava sample E of Crater Creek mouth at beach level. Flow extends into water and is beneath a cliff-forming outcrop of Okmok I pf. Okmok I pf here has dacite inclusions in top indurated pf. Lava is gray, mostly aphyric lava with 1% visible plag. Rubbly aa flow texture at base of outcrop. Dense part sampled. Vesicular zones run out into water. Likely a package of subaerial flows. Cliff of lava about 6m high. |
| 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 https://doi.org/10.14509/31015[2] Previously unpublished whole-rock major- and trace-element compositions of volcanic samples from the Alaska Peninsula-Aleutian arc, Alaska, 2025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C.E., Gardner, C.A., Larsen, J.F., Fierstein, J.E., Loewen, M.W., Izbekov, P.E., and Dietterich, H.R., 2025, Previously unpublished whole-rock major- and trace-element compositions of volcanic samples from the Alaska Peninsula-Aleutian arc, Alaska: Alaska Division of Geological &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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